/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-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 14:47:56,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 14:47:56,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 14:47:56,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 14:47:56,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 14:47:56,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 14:47:56,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 14:47:56,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 14:47:56,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 14:47:56,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 14:47:56,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 14:47:56,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 14:47:56,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 14:47:56,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 14:47:56,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 14:47:56,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 14:47:56,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 14:47:56,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 14:47:56,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 14:47:56,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 14:47:56,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 14:47:56,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 14:47:56,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 14:47:56,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 14:47:56,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 14:47:56,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 14:47:56,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 14:47:56,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 14:47:56,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 14:47:56,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 14:47:56,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 14:47:56,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 14:47:57,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 14:47:57,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 14:47:57,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 14:47:57,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 14:47:57,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 14:47:57,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 14:47:57,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 14:47:57,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 14:47:57,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 14:47:57,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 14:47:57,081 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 14:47:57,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 14:47:57,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 14:47:57,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 14:47:57,087 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 14:47:57,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 14:47:57,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 14:47:57,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 14:47:57,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 14:47:57,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 14:47:57,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 14:47:57,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 14:47:57,091 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 14:47:57,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 14:47:57,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 14:47:57,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 14:47:57,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 14:47:57,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:47:57,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 14:47:57,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 14:47:57,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 14:47:57,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 14:47:57,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 14:47:57,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 14:47:57,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 14:47:57,094 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 14:47:57,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 14:47:57,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 14:47:57,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 14:47:57,542 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 14:47:57,543 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 14:47:57,544 INFO L432 ainManager$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-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2020-12-22 14:47:57,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8386841a8/a12129c04f8a4b27a242c288692f32ae/FLAGabcc7d1d8 [2020-12-22 14:47:58,837 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 14:47:58,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2020-12-22 14:47:58,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8386841a8/a12129c04f8a4b27a242c288692f32ae/FLAGabcc7d1d8 [2020-12-22 14:47:59,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8386841a8/a12129c04f8a4b27a242c288692f32ae [2020-12-22 14:47:59,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 14:47:59,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 14:47:59,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 14:47:59,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 14:47:59,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 14:47:59,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:47:59" (1/1) ... [2020-12-22 14:47:59,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765b5614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:47:59, skipping insertion in model container [2020-12-22 14:47:59,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:47:59" (1/1) ... [2020-12-22 14:47:59,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 14:47:59,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 14:48:02,565 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-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[378939,378952] [2020-12-22 14:48:02,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:48:02,759 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 14:48:03,415 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-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[378939,378952] [2020-12-22 14:48:03,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:48:04,075 INFO L208 MainTranslator]: Completed translation [2020-12-22 14:48:04,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:04 WrapperNode [2020-12-22 14:48:04,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 14:48:04,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 14:48:04,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 14:48:04,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 14:48:04,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:04" (1/1) ... [2020-12-22 14:48:04,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:04" (1/1) ... [2020-12-22 14:48:05,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 14:48:05,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 14:48:05,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 14:48:05,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 14:48:05,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:04" (1/1) ... [2020-12-22 14:48:05,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:04" (1/1) ... [2020-12-22 14:48:05,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:04" (1/1) ... [2020-12-22 14:48:05,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:04" (1/1) ... [2020-12-22 14:48:06,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:04" (1/1) ... [2020-12-22 14:48:06,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:04" (1/1) ... [2020-12-22 14:48:06,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:04" (1/1) ... [2020-12-22 14:48:06,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 14:48:06,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 14:48:06,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 14:48:06,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 14:48:06,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:04" (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 14:48:06,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 14:48:06,697 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-12-22 14:48:06,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 14:48:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 14:48:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 14:48:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 14:48:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 14:48:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 14:48:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 14:48:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 14:48:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 14:48:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 14:48:51,502 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 14:48:51,503 INFO L299 CfgBuilder]: Removed 5499 assume(true) statements. [2020-12-22 14:48:51,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:48:51 BoogieIcfgContainer [2020-12-22 14:48:51,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 14:48:51,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 14:48:51,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 14:48:51,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 14:48:51,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:47:59" (1/3) ... [2020-12-22 14:48:51,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3931836b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:48:51, skipping insertion in model container [2020-12-22 14:48:51,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:04" (2/3) ... [2020-12-22 14:48:51,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3931836b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:48:51, skipping insertion in model container [2020-12-22 14:48:51,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:48:51" (3/3) ... [2020-12-22 14:48:51,526 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2020-12-22 14:48:51,533 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 14:48:51,542 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 75 error locations. [2020-12-22 14:48:51,564 INFO L253 AbstractCegarLoop]: Starting to check reachability of 75 error locations. [2020-12-22 14:48:51,619 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 14:48:51,619 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 14:48:51,619 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 14:48:51,619 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 14:48:51,620 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 14:48:51,620 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 14:48:51,620 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 14:48:51,620 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 14:48:51,714 INFO L276 IsEmpty]: Start isEmpty. Operand 5564 states. [2020-12-22 14:48:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 14:48:51,727 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:48:51,728 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:48:51,730 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:48:51,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:48:51,737 INFO L82 PathProgramCache]: Analyzing trace with hash -2137541953, now seen corresponding path program 1 times [2020-12-22 14:48:51,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:48:51,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499112905] [2020-12-22 14:48:51,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:48:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:48:52,842 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 14:48:52,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499112905] [2020-12-22 14:48:52,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:48:52,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:48:52,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019048081] [2020-12-22 14:48:52,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 14:48:52,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:48:52,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 14:48:52,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 14:48:52,875 INFO L87 Difference]: Start difference. First operand 5564 states. Second operand 2 states. [2020-12-22 14:48:53,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:48:53,188 INFO L93 Difference]: Finished difference Result 11124 states and 16865 transitions. [2020-12-22 14:48:53,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 14:48:53,190 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 55 [2020-12-22 14:48:53,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:48:53,252 INFO L225 Difference]: With dead ends: 11124 [2020-12-22 14:48:53,252 INFO L226 Difference]: Without dead ends: 5519 [2020-12-22 14:48:53,270 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 14:48:53,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5519 states. [2020-12-22 14:48:53,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5519 to 5519. [2020-12-22 14:48:53,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5519 states. [2020-12-22 14:48:53,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5519 states to 5519 states and 8256 transitions. [2020-12-22 14:48:53,537 INFO L78 Accepts]: Start accepts. Automaton has 5519 states and 8256 transitions. Word has length 55 [2020-12-22 14:48:53,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:48:53,538 INFO L481 AbstractCegarLoop]: Abstraction has 5519 states and 8256 transitions. [2020-12-22 14:48:53,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 14:48:53,538 INFO L276 IsEmpty]: Start isEmpty. Operand 5519 states and 8256 transitions. [2020-12-22 14:48:53,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 14:48:53,541 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:48:53,542 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:48:53,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 14:48:53,543 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:48:53,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:48:53,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1819365493, now seen corresponding path program 1 times [2020-12-22 14:48:53,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:48:53,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491360930] [2020-12-22 14:48:53,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:48:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:48:54,337 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 14:48:54,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491360930] [2020-12-22 14:48:54,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:48:54,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:48:54,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952034741] [2020-12-22 14:48:54,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:48:54,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:48:54,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:48:54,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:48:54,345 INFO L87 Difference]: Start difference. First operand 5519 states and 8256 transitions. Second operand 3 states. [2020-12-22 14:48:55,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:48:55,001 INFO L93 Difference]: Finished difference Result 15849 states and 23790 transitions. [2020-12-22 14:48:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:48:55,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-22 14:48:55,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:48:55,065 INFO L225 Difference]: With dead ends: 15849 [2020-12-22 14:48:55,066 INFO L226 Difference]: Without dead ends: 10373 [2020-12-22 14:48:55,079 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 14:48:55,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10373 states. [2020-12-22 14:48:55,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10373 to 10244. [2020-12-22 14:48:55,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10244 states. [2020-12-22 14:48:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10244 states to 10244 states and 15516 transitions. [2020-12-22 14:48:55,657 INFO L78 Accepts]: Start accepts. Automaton has 10244 states and 15516 transitions. Word has length 55 [2020-12-22 14:48:55,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:48:55,659 INFO L481 AbstractCegarLoop]: Abstraction has 10244 states and 15516 transitions. [2020-12-22 14:48:55,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:48:55,659 INFO L276 IsEmpty]: Start isEmpty. Operand 10244 states and 15516 transitions. [2020-12-22 14:48:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 14:48:55,666 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:48:55,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:48:55,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 14:48:55,669 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:48:55,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:48:55,675 INFO L82 PathProgramCache]: Analyzing trace with hash 594655934, now seen corresponding path program 1 times [2020-12-22 14:48:55,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:48:55,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934812074] [2020-12-22 14:48:55,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:48:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:48:56,496 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 14:48:56,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934812074] [2020-12-22 14:48:56,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:48:56,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:48:56,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594531449] [2020-12-22 14:48:56,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:48:56,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:48:56,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:48:56,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:48:56,506 INFO L87 Difference]: Start difference. First operand 10244 states and 15516 transitions. Second operand 3 states. [2020-12-22 14:48:57,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:48:57,464 INFO L93 Difference]: Finished difference Result 27456 states and 41712 transitions. [2020-12-22 14:48:57,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:48:57,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-12-22 14:48:57,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:48:57,559 INFO L225 Difference]: With dead ends: 27456 [2020-12-22 14:48:57,567 INFO L226 Difference]: Without dead ends: 17255 [2020-12-22 14:48:57,590 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 14:48:57,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17255 states. [2020-12-22 14:48:58,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17255 to 17145. [2020-12-22 14:48:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17145 states. [2020-12-22 14:48:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17145 states to 17145 states and 26187 transitions. [2020-12-22 14:48:58,084 INFO L78 Accepts]: Start accepts. Automaton has 17145 states and 26187 transitions. Word has length 56 [2020-12-22 14:48:58,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:48:58,086 INFO L481 AbstractCegarLoop]: Abstraction has 17145 states and 26187 transitions. [2020-12-22 14:48:58,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:48:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 17145 states and 26187 transitions. [2020-12-22 14:48:58,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 14:48:58,087 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:48:58,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:48:58,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 14:48:58,090 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:48:58,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:48:58,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1270792788, now seen corresponding path program 1 times [2020-12-22 14:48:58,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:48:58,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771476689] [2020-12-22 14:48:58,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:48:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:48:58,779 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 14:48:58,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771476689] [2020-12-22 14:48:58,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:48:58,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:48:58,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124887337] [2020-12-22 14:48:58,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:48:58,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:48:58,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:48:58,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:48:58,781 INFO L87 Difference]: Start difference. First operand 17145 states and 26187 transitions. Second operand 3 states. [2020-12-22 14:49:00,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:49:00,211 INFO L93 Difference]: Finished difference Result 17275 states and 26371 transitions. [2020-12-22 14:49:00,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:49:00,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-22 14:49:00,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:49:00,256 INFO L225 Difference]: With dead ends: 17275 [2020-12-22 14:49:00,256 INFO L226 Difference]: Without dead ends: 17205 [2020-12-22 14:49:00,263 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 14:49:00,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17205 states. [2020-12-22 14:49:00,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17205 to 17075. [2020-12-22 14:49:00,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17075 states. [2020-12-22 14:49:00,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17075 states to 17075 states and 26050 transitions. [2020-12-22 14:49:00,673 INFO L78 Accepts]: Start accepts. Automaton has 17075 states and 26050 transitions. Word has length 58 [2020-12-22 14:49:00,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:49:00,674 INFO L481 AbstractCegarLoop]: Abstraction has 17075 states and 26050 transitions. [2020-12-22 14:49:00,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:49:00,674 INFO L276 IsEmpty]: Start isEmpty. Operand 17075 states and 26050 transitions. [2020-12-22 14:49:00,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-22 14:49:00,677 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:49:00,677 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:49:00,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 14:49:00,678 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:49:00,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:49:00,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1384221329, now seen corresponding path program 1 times [2020-12-22 14:49:00,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:49:00,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163844209] [2020-12-22 14:49:00,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:49:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:49:01,352 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 14:49:01,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163844209] [2020-12-22 14:49:01,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:49:01,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 14:49:01,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843073478] [2020-12-22 14:49:01,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 14:49:01,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:49:01,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 14:49:01,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:49:01,355 INFO L87 Difference]: Start difference. First operand 17075 states and 26050 transitions. Second operand 5 states. [2020-12-22 14:49:06,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:49:06,767 INFO L93 Difference]: Finished difference Result 82597 states and 125619 transitions. [2020-12-22 14:49:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 14:49:06,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2020-12-22 14:49:06,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:49:06,970 INFO L225 Difference]: With dead ends: 82597 [2020-12-22 14:49:06,970 INFO L226 Difference]: Without dead ends: 65565 [2020-12-22 14:49:07,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:49:07,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65565 states. [2020-12-22 14:49:09,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65565 to 65159. [2020-12-22 14:49:09,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65159 states. [2020-12-22 14:49:09,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65159 states to 65159 states and 98888 transitions. [2020-12-22 14:49:09,291 INFO L78 Accepts]: Start accepts. Automaton has 65159 states and 98888 transitions. Word has length 67 [2020-12-22 14:49:09,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:49:09,291 INFO L481 AbstractCegarLoop]: Abstraction has 65159 states and 98888 transitions. [2020-12-22 14:49:09,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 14:49:09,292 INFO L276 IsEmpty]: Start isEmpty. Operand 65159 states and 98888 transitions. [2020-12-22 14:49:09,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-22 14:49:09,294 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:49:09,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:49:09,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 14:49:09,295 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:49:09,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:49:09,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1885081138, now seen corresponding path program 1 times [2020-12-22 14:49:09,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:49:09,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444365162] [2020-12-22 14:49:09,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:49:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:49:10,042 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 14:49:10,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444365162] [2020-12-22 14:49:10,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:49:10,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 14:49:10,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218572491] [2020-12-22 14:49:10,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 14:49:10,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:49:10,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 14:49:10,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:49:10,045 INFO L87 Difference]: Start difference. First operand 65159 states and 98888 transitions. Second operand 5 states. [2020-12-22 14:49:18,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:49:18,500 INFO L93 Difference]: Finished difference Result 318125 states and 482337 transitions. [2020-12-22 14:49:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 14:49:18,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-12-22 14:49:18,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:49:19,588 INFO L225 Difference]: With dead ends: 318125 [2020-12-22 14:49:19,589 INFO L226 Difference]: Without dead ends: 253009 [2020-12-22 14:49:19,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:49:20,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253009 states. [2020-12-22 14:49:25,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253009 to 252435. [2020-12-22 14:49:25,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252435 states. [2020-12-22 14:49:26,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252435 states to 252435 states and 381980 transitions. [2020-12-22 14:49:26,388 INFO L78 Accepts]: Start accepts. Automaton has 252435 states and 381980 transitions. Word has length 68 [2020-12-22 14:49:26,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:49:26,390 INFO L481 AbstractCegarLoop]: Abstraction has 252435 states and 381980 transitions. [2020-12-22 14:49:26,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 14:49:26,395 INFO L276 IsEmpty]: Start isEmpty. Operand 252435 states and 381980 transitions. [2020-12-22 14:49:26,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-22 14:49:26,398 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:49:26,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:49:26,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 14:49:26,408 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:49:26,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:49:26,409 INFO L82 PathProgramCache]: Analyzing trace with hash -154241870, now seen corresponding path program 1 times [2020-12-22 14:49:26,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:49:26,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534078919] [2020-12-22 14:49:26,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:49:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:49:27,376 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 14:49:27,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534078919] [2020-12-22 14:49:27,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:49:27,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 14:49:27,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209068526] [2020-12-22 14:49:27,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 14:49:27,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:49:27,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 14:49:27,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:49:27,379 INFO L87 Difference]: Start difference. First operand 252435 states and 381980 transitions. Second operand 5 states. [2020-12-22 14:49:48,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:49:48,747 INFO L93 Difference]: Finished difference Result 1236325 states and 1870705 transitions. [2020-12-22 14:49:48,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 14:49:48,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-12-22 14:49:48,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:49:52,202 INFO L225 Difference]: With dead ends: 1236325 [2020-12-22 14:49:52,202 INFO L226 Difference]: Without dead ends: 983933 [2020-12-22 14:49:52,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:49:53,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983933 states. [2020-12-22 14:50:20,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983933 to 983027. [2020-12-22 14:50:20,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 983027 states. [2020-12-22 14:50:27,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983027 states to 983027 states and 1485132 transitions. [2020-12-22 14:50:27,303 INFO L78 Accepts]: Start accepts. Automaton has 983027 states and 1485132 transitions. Word has length 69 [2020-12-22 14:50:27,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:50:27,308 INFO L481 AbstractCegarLoop]: Abstraction has 983027 states and 1485132 transitions. [2020-12-22 14:50:27,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 14:50:27,308 INFO L276 IsEmpty]: Start isEmpty. Operand 983027 states and 1485132 transitions. [2020-12-22 14:50:27,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-22 14:50:27,330 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:50:27,331 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:50:27,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 14:50:27,338 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:50:27,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:50:27,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1988470365, now seen corresponding path program 1 times [2020-12-22 14:50:27,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:50:27,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610484875] [2020-12-22 14:50:27,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:50:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:50:28,278 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 14:50:28,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610484875] [2020-12-22 14:50:28,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:50:28,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 14:50:28,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142726711] [2020-12-22 14:50:28,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 14:50:28,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:50:28,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 14:50:28,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:50:28,281 INFO L87 Difference]: Start difference. First operand 983027 states and 1485132 transitions. Second operand 5 states.