/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/eca-rers2012/Problem16_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 04:36:20,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 04:36:20,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 04:36:20,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 04:36:20,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 04:36:20,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 04:36:20,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 04:36:20,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 04:36:20,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 04:36:20,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 04:36:20,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 04:36:20,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 04:36:20,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 04:36:20,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 04:36:20,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 04:36:20,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 04:36:20,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 04:36:20,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 04:36:20,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 04:36:20,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 04:36:20,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 04:36:20,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 04:36:20,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 04:36:20,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 04:36:20,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 04:36:20,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 04:36:20,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 04:36:20,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 04:36:20,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 04:36:20,594 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 04:36:20,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 04:36:20,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 04:36:20,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 04:36:20,597 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 04:36:20,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 04:36:20,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 04:36:20,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 04:36:20,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 04:36:20,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 04:36:20,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 04:36:20,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 04:36:20,599 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 04:36:20,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 04:36:20,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 04:36:20,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 04:36:20,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 04:36:20,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 04:36:20,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 04:36:20,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 04:36:20,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 04:36:20,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 04:36:20,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 04:36:20,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 04:36:20,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 04:36:20,601 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 04:36:21,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 04:36:21,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 04:36:21,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 04:36:21,048 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 04:36:21,048 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 04:36:21,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label05.c [2020-12-23 04:36:21,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4fa726a12/a7f5397fac93489a8899d8a45e6bda98/FLAG9621700ba [2020-12-23 04:36:22,036 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 04:36:22,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label05.c [2020-12-23 04:36:22,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4fa726a12/a7f5397fac93489a8899d8a45e6bda98/FLAG9621700ba [2020-12-23 04:36:22,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4fa726a12/a7f5397fac93489a8899d8a45e6bda98 [2020-12-23 04:36:22,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 04:36:22,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 04:36:22,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 04:36:22,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 04:36:22,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 04:36:22,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:36:22" (1/1) ... [2020-12-23 04:36:22,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2fbfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:36:22, skipping insertion in model container [2020-12-23 04:36:22,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:36:22" (1/1) ... [2020-12-23 04:36:22,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 04:36:22,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 04:36:22,499 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label05.c[2198,2211] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 04:36:23,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 04:36:23,091 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 04:36:23,110 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label05.c[2198,2211] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a18~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 04:36:23,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 04:36:23,367 INFO L208 MainTranslator]: Completed translation [2020-12-23 04:36:23,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:36:23 WrapperNode [2020-12-23 04:36:23,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 04:36:23,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 04:36:23,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 04:36:23,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 04:36:23,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:36:23" (1/1) ... [2020-12-23 04:36:23,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:36:23" (1/1) ... [2020-12-23 04:36:23,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 04:36:23,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 04:36:23,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 04:36:23,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 04:36:23,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:36:23" (1/1) ... [2020-12-23 04:36:23,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:36:23" (1/1) ... [2020-12-23 04:36:23,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:36:23" (1/1) ... [2020-12-23 04:36:23,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:36:23" (1/1) ... [2020-12-23 04:36:23,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:36:23" (1/1) ... [2020-12-23 04:36:23,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:36:23" (1/1) ... [2020-12-23 04:36:23,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:36:23" (1/1) ... [2020-12-23 04:36:23,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 04:36:23,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 04:36:23,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 04:36:23,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 04:36:23,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:36:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 04:36:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 04:36:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 04:36:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 04:36:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 04:36:26,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 04:36:26,771 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-23 04:36:26,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:36:26 BoogieIcfgContainer [2020-12-23 04:36:26,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 04:36:26,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 04:36:26,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 04:36:26,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 04:36:26,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:36:22" (1/3) ... [2020-12-23 04:36:26,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1113e695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:36:26, skipping insertion in model container [2020-12-23 04:36:26,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:36:23" (2/3) ... [2020-12-23 04:36:26,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1113e695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:36:26, skipping insertion in model container [2020-12-23 04:36:26,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:36:26" (3/3) ... [2020-12-23 04:36:26,783 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label05.c [2020-12-23 04:36:26,790 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 04:36:26,797 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 04:36:26,817 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 04:36:26,849 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 04:36:26,849 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 04:36:26,850 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 04:36:26,850 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 04:36:26,850 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 04:36:26,850 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 04:36:26,850 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 04:36:26,850 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 04:36:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states. [2020-12-23 04:36:26,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 04:36:26,883 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:36:26,884 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:36:26,885 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:36:26,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:36:26,891 INFO L82 PathProgramCache]: Analyzing trace with hash 406614337, now seen corresponding path program 1 times [2020-12-23 04:36:26,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:36:26,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150623711] [2020-12-23 04:36:26,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:36:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:36:27,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 04:36:27,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150623711] [2020-12-23 04:36:27,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:36:27,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:36:27,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721152232] [2020-12-23 04:36:27,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:36:27,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:36:27,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:36:27,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:36:27,139 INFO L87 Difference]: Start difference. First operand 396 states. Second operand 3 states. [2020-12-23 04:36:29,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:36:29,694 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2020-12-23 04:36:29,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:36:29,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-23 04:36:29,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:36:29,720 INFO L225 Difference]: With dead ends: 1122 [2020-12-23 04:36:29,720 INFO L226 Difference]: Without dead ends: 662 [2020-12-23 04:36:29,726 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 [2020-12-23 04:36:29,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-12-23 04:36:29,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-12-23 04:36:29,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-12-23 04:36:29,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1046 transitions. [2020-12-23 04:36:29,824 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1046 transitions. Word has length 19 [2020-12-23 04:36:29,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:36:29,825 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 1046 transitions. [2020-12-23 04:36:29,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:36:29,825 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1046 transitions. [2020-12-23 04:36:29,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 04:36:29,829 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:36:29,829 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2020-12-23 04:36:29,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 04:36:29,830 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:36:29,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:36:29,831 INFO L82 PathProgramCache]: Analyzing trace with hash 466964107, now seen corresponding path program 1 times [2020-12-23 04:36:29,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:36:29,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356031742] [2020-12-23 04:36:29,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:36:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:36:30,094 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 04:36:30,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356031742] [2020-12-23 04:36:30,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:36:30,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:36:30,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293457654] [2020-12-23 04:36:30,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:36:30,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:36:30,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:36:30,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:36:30,102 INFO L87 Difference]: Start difference. First operand 662 states and 1046 transitions. Second operand 3 states. [2020-12-23 04:36:32,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:36:32,314 INFO L93 Difference]: Finished difference Result 1980 states and 3133 transitions. [2020-12-23 04:36:32,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:36:32,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-12-23 04:36:32,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:36:32,326 INFO L225 Difference]: With dead ends: 1980 [2020-12-23 04:36:32,326 INFO L226 Difference]: Without dead ends: 1320 [2020-12-23 04:36:32,334 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 [2020-12-23 04:36:32,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-12-23 04:36:32,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2020-12-23 04:36:32,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2020-12-23 04:36:32,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1812 transitions. [2020-12-23 04:36:32,414 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1812 transitions. Word has length 90 [2020-12-23 04:36:32,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:36:32,416 INFO L481 AbstractCegarLoop]: Abstraction has 1320 states and 1812 transitions. [2020-12-23 04:36:32,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:36:32,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1812 transitions. [2020-12-23 04:36:32,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-12-23 04:36:32,431 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:36:32,431 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 04:36:32,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 04:36:32,432 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:36:32,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:36:32,436 INFO L82 PathProgramCache]: Analyzing trace with hash -6118856, now seen corresponding path program 1 times [2020-12-23 04:36:32,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:36:32,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737727665] [2020-12-23 04:36:32,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:36:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:36:32,760 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 04:36:32,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737727665] [2020-12-23 04:36:32,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:36:32,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:36:32,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712718225] [2020-12-23 04:36:32,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:36:32,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:36:32,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:36:32,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:36:32,770 INFO L87 Difference]: Start difference. First operand 1320 states and 1812 transitions. Second operand 3 states. [2020-12-23 04:36:34,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:36:34,884 INFO L93 Difference]: Finished difference Result 3296 states and 4623 transitions. [2020-12-23 04:36:34,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:36:34,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-12-23 04:36:34,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:36:34,897 INFO L225 Difference]: With dead ends: 3296 [2020-12-23 04:36:34,897 INFO L226 Difference]: Without dead ends: 1978 [2020-12-23 04:36:34,900 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 [2020-12-23 04:36:34,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2020-12-23 04:36:34,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2020-12-23 04:36:34,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1978 states. [2020-12-23 04:36:34,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2555 transitions. [2020-12-23 04:36:34,950 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2555 transitions. Word has length 174 [2020-12-23 04:36:34,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:36:34,957 INFO L481 AbstractCegarLoop]: Abstraction has 1978 states and 2555 transitions. [2020-12-23 04:36:34,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:36:34,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2555 transitions. [2020-12-23 04:36:34,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-23 04:36:34,963 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:36:34,963 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:36:34,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 04:36:34,964 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:36:34,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:36:34,964 INFO L82 PathProgramCache]: Analyzing trace with hash 2122908013, now seen corresponding path program 1 times [2020-12-23 04:36:34,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:36:34,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366283047] [2020-12-23 04:36:34,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:36:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:36:35,284 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-12-23 04:36:35,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366283047] [2020-12-23 04:36:35,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:36:35,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:36:35,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642558732] [2020-12-23 04:36:35,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:36:35,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:36:35,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:36:35,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:36:35,292 INFO L87 Difference]: Start difference. First operand 1978 states and 2555 transitions. Second operand 3 states. [2020-12-23 04:36:37,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:36:37,405 INFO L93 Difference]: Finished difference Result 5270 states and 6852 transitions. [2020-12-23 04:36:37,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:36:37,406 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-12-23 04:36:37,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:36:37,420 INFO L225 Difference]: With dead ends: 5270 [2020-12-23 04:36:37,421 INFO L226 Difference]: Without dead ends: 2965 [2020-12-23 04:36:37,424 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 [2020-12-23 04:36:37,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2020-12-23 04:36:37,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2636. [2020-12-23 04:36:37,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2636 states. [2020-12-23 04:36:37,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 2882 transitions. [2020-12-23 04:36:37,482 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 2882 transitions. Word has length 185 [2020-12-23 04:36:37,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:36:37,483 INFO L481 AbstractCegarLoop]: Abstraction has 2636 states and 2882 transitions. [2020-12-23 04:36:37,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:36:37,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 2882 transitions. [2020-12-23 04:36:37,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-12-23 04:36:37,486 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:36:37,486 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 04:36:37,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 04:36:37,487 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:36:37,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:36:37,487 INFO L82 PathProgramCache]: Analyzing trace with hash -314784060, now seen corresponding path program 1 times [2020-12-23 04:36:37,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:36:37,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142545584] [2020-12-23 04:36:37,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:36:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:36:37,713 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-23 04:36:37,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142545584] [2020-12-23 04:36:37,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:36:37,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:36:37,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382916807] [2020-12-23 04:36:37,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:36:37,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:36:37,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:36:37,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:36:37,717 INFO L87 Difference]: Start difference. First operand 2636 states and 2882 transitions. Second operand 3 states. [2020-12-23 04:36:39,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:36:39,485 INFO L93 Difference]: Finished difference Result 7902 states and 8641 transitions. [2020-12-23 04:36:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:36:39,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-12-23 04:36:39,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:36:39,511 INFO L225 Difference]: With dead ends: 7902 [2020-12-23 04:36:39,511 INFO L226 Difference]: Without dead ends: 4939 [2020-12-23 04:36:39,516 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 [2020-12-23 04:36:39,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2020-12-23 04:36:39,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4610. [2020-12-23 04:36:39,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4610 states. [2020-12-23 04:36:39,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4610 states to 4610 states and 5011 transitions. [2020-12-23 04:36:39,615 INFO L78 Accepts]: Start accepts. Automaton has 4610 states and 5011 transitions. Word has length 226 [2020-12-23 04:36:39,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:36:39,615 INFO L481 AbstractCegarLoop]: Abstraction has 4610 states and 5011 transitions. [2020-12-23 04:36:39,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:36:39,615 INFO L276 IsEmpty]: Start isEmpty. Operand 4610 states and 5011 transitions. [2020-12-23 04:36:39,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-12-23 04:36:39,622 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:36:39,622 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 04:36:39,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 04:36:39,623 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:36:39,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:36:39,623 INFO L82 PathProgramCache]: Analyzing trace with hash 964787281, now seen corresponding path program 1 times [2020-12-23 04:36:39,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:36:39,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29291440] [2020-12-23 04:36:39,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:36:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:36:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-12-23 04:36:39,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29291440] [2020-12-23 04:36:39,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:36:39,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:36:39,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107707329] [2020-12-23 04:36:39,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:36:39,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:36:39,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:36:39,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:36:39,971 INFO L87 Difference]: Start difference. First operand 4610 states and 5011 transitions. Second operand 3 states. [2020-12-23 04:36:41,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:36:41,364 INFO L93 Difference]: Finished difference Result 10534 states and 11412 transitions. [2020-12-23 04:36:41,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:36:41,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2020-12-23 04:36:41,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:36:41,389 INFO L225 Difference]: With dead ends: 10534 [2020-12-23 04:36:41,389 INFO L226 Difference]: Without dead ends: 5926 [2020-12-23 04:36:41,396 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 [2020-12-23 04:36:41,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states. [2020-12-23 04:36:41,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 5926. [2020-12-23 04:36:41,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5926 states. [2020-12-23 04:36:41,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 6297 transitions. [2020-12-23 04:36:41,554 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 6297 transitions. Word has length 340 [2020-12-23 04:36:41,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:36:41,554 INFO L481 AbstractCegarLoop]: Abstraction has 5926 states and 6297 transitions. [2020-12-23 04:36:41,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:36:41,554 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 6297 transitions. [2020-12-23 04:36:41,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2020-12-23 04:36:41,564 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:36:41,565 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:36:41,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 04:36:41,565 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:36:41,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:36:41,571 INFO L82 PathProgramCache]: Analyzing trace with hash 60237582, now seen corresponding path program 1 times [2020-12-23 04:36:41,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:36:41,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918969956] [2020-12-23 04:36:41,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:36:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:36:42,475 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-12-23 04:36:42,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918969956] [2020-12-23 04:36:42,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:36:42,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:36:42,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218577202] [2020-12-23 04:36:42,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:36:42,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:36:42,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:36:42,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:36:42,479 INFO L87 Difference]: Start difference. First operand 5926 states and 6297 transitions. Second operand 3 states. [2020-12-23 04:36:43,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:36:43,995 INFO L93 Difference]: Finished difference Result 11850 states and 12600 transitions. [2020-12-23 04:36:44,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:36:44,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 454 [2020-12-23 04:36:44,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:36:44,028 INFO L225 Difference]: With dead ends: 11850 [2020-12-23 04:36:44,028 INFO L226 Difference]: Without dead ends: 6255 [2020-12-23 04:36:44,036 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 [2020-12-23 04:36:44,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6255 states. [2020-12-23 04:36:44,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6255 to 6255. [2020-12-23 04:36:44,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6255 states. [2020-12-23 04:36:44,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 6634 transitions. [2020-12-23 04:36:44,147 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 6634 transitions. Word has length 454 [2020-12-23 04:36:44,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:36:44,148 INFO L481 AbstractCegarLoop]: Abstraction has 6255 states and 6634 transitions. [2020-12-23 04:36:44,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:36:44,148 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 6634 transitions. [2020-12-23 04:36:44,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2020-12-23 04:36:44,164 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:36:44,165 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:36:44,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 04:36:44,165 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:36:44,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:36:44,166 INFO L82 PathProgramCache]: Analyzing trace with hash -2127126978, now seen corresponding path program 1 times [2020-12-23 04:36:44,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:36:44,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90619372] [2020-12-23 04:36:44,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:36:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:36:44,795 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 507 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-12-23 04:36:44,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90619372] [2020-12-23 04:36:44,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:36:44,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:36:44,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877519869] [2020-12-23 04:36:44,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:36:44,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:36:44,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:36:44,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:36:44,799 INFO L87 Difference]: Start difference. First operand 6255 states and 6634 transitions. Second operand 3 states. [2020-12-23 04:36:46,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:36:46,409 INFO L93 Difference]: Finished difference Result 14811 states and 15834 transitions. [2020-12-23 04:36:46,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:36:46,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 569 [2020-12-23 04:36:46,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:36:46,448 INFO L225 Difference]: With dead ends: 14811 [2020-12-23 04:36:46,448 INFO L226 Difference]: Without dead ends: 9216 [2020-12-23 04:36:46,456 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 [2020-12-23 04:36:46,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2020-12-23 04:36:46,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 8887. [2020-12-23 04:36:46,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8887 states. [2020-12-23 04:36:46,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9316 transitions. [2020-12-23 04:36:46,622 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9316 transitions. Word has length 569 [2020-12-23 04:36:46,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:36:46,623 INFO L481 AbstractCegarLoop]: Abstraction has 8887 states and 9316 transitions. [2020-12-23 04:36:46,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:36:46,623 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9316 transitions. [2020-12-23 04:36:46,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2020-12-23 04:36:46,647 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:36:46,648 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 04:36:46,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 04:36:46,648 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:36:46,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:36:46,650 INFO L82 PathProgramCache]: Analyzing trace with hash -351078941, now seen corresponding path program 1 times [2020-12-23 04:36:46,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:36:46,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390541298] [2020-12-23 04:36:46,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:36:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:36:47,373 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-23 04:36:47,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390541298] [2020-12-23 04:36:47,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:36:47,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:36:47,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375896908] [2020-12-23 04:36:47,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:36:47,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:36:47,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:36:47,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:36:47,377 INFO L87 Difference]: Start difference. First operand 8887 states and 9316 transitions. Second operand 3 states. [2020-12-23 04:36:48,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:36:48,877 INFO L93 Difference]: Finished difference Result 20404 states and 21512 transitions. [2020-12-23 04:36:48,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:36:48,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 671 [2020-12-23 04:36:48,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:36:48,903 INFO L225 Difference]: With dead ends: 20404 [2020-12-23 04:36:48,903 INFO L226 Difference]: Without dead ends: 11848 [2020-12-23 04:36:48,914 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 [2020-12-23 04:36:48,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11848 states. [2020-12-23 04:36:49,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11848 to 11190. [2020-12-23 04:36:49,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11190 states. [2020-12-23 04:36:49,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11190 states to 11190 states and 11688 transitions. [2020-12-23 04:36:49,064 INFO L78 Accepts]: Start accepts. Automaton has 11190 states and 11688 transitions. Word has length 671 [2020-12-23 04:36:49,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:36:49,065 INFO L481 AbstractCegarLoop]: Abstraction has 11190 states and 11688 transitions. [2020-12-23 04:36:49,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:36:49,066 INFO L276 IsEmpty]: Start isEmpty. Operand 11190 states and 11688 transitions. [2020-12-23 04:36:49,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 831 [2020-12-23 04:36:49,079 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:36:49,080 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:36:49,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 04:36:49,080 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:36:49,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:36:49,081 INFO L82 PathProgramCache]: Analyzing trace with hash -704419913, now seen corresponding path program 1 times [2020-12-23 04:36:49,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:36:49,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937728615] [2020-12-23 04:36:49,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:36:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:36:51,003 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 51 proven. 564 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2020-12-23 04:36:51,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937728615] [2020-12-23 04:36:51,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954174657] [2020-12-23 04:36:51,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:36:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:36:51,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:36:51,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:36:52,711 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2020-12-23 04:36:52,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:36:52,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-12-23 04:36:52,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403139079] [2020-12-23 04:36:52,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:36:52,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:36:52,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:36:52,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:36:52,714 INFO L87 Difference]: Start difference. First operand 11190 states and 11688 transitions. Second operand 3 states. [2020-12-23 04:36:54,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:36:54,312 INFO L93 Difference]: Finished difference Result 22049 states and 23043 transitions. [2020-12-23 04:36:54,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:36:54,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 830 [2020-12-23 04:36:54,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:36:54,338 INFO L225 Difference]: With dead ends: 22049 [2020-12-23 04:36:54,339 INFO L226 Difference]: Without dead ends: 11190 [2020-12-23 04:36:54,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 834 GetRequests, 830 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:36:54,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2020-12-23 04:36:54,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 10861. [2020-12-23 04:36:54,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10861 states. [2020-12-23 04:36:54,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 11301 transitions. [2020-12-23 04:36:54,491 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 11301 transitions. Word has length 830 [2020-12-23 04:36:54,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:36:54,493 INFO L481 AbstractCegarLoop]: Abstraction has 10861 states and 11301 transitions. [2020-12-23 04:36:54,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:36:54,493 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 11301 transitions. [2020-12-23 04:36:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1104 [2020-12-23 04:36:54,515 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:36:54,516 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:36:54,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 04:36:54,730 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:36:54,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:36:54,732 INFO L82 PathProgramCache]: Analyzing trace with hash -2077508476, now seen corresponding path program 1 times [2020-12-23 04:36:54,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:36:54,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391072837] [2020-12-23 04:36:54,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:36:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:36:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2330 backedges. 1666 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2020-12-23 04:36:56,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391072837] [2020-12-23 04:36:56,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:36:56,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:36:56,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916389523] [2020-12-23 04:36:56,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:36:56,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:36:56,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:36:56,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:36:56,152 INFO L87 Difference]: Start difference. First operand 10861 states and 11301 transitions. Second operand 3 states. [2020-12-23 04:36:57,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:36:57,915 INFO L93 Difference]: Finished difference Result 24681 states and 25809 transitions. [2020-12-23 04:36:57,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:36:57,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1103 [2020-12-23 04:36:57,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:36:57,946 INFO L225 Difference]: With dead ends: 24681 [2020-12-23 04:36:57,946 INFO L226 Difference]: Without dead ends: 13822 [2020-12-23 04:36:57,959 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 [2020-12-23 04:36:57,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2020-12-23 04:36:58,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13164. [2020-12-23 04:36:58,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13164 states. [2020-12-23 04:36:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13641 transitions. [2020-12-23 04:36:58,128 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13641 transitions. Word has length 1103 [2020-12-23 04:36:58,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:36:58,129 INFO L481 AbstractCegarLoop]: Abstraction has 13164 states and 13641 transitions. [2020-12-23 04:36:58,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:36:58,129 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13641 transitions. [2020-12-23 04:36:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1105 [2020-12-23 04:36:58,155 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:36:58,156 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:36:58,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 04:36:58,156 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:36:58,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:36:58,157 INFO L82 PathProgramCache]: Analyzing trace with hash 330954133, now seen corresponding path program 1 times [2020-12-23 04:36:58,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:36:58,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532751582] [2020-12-23 04:36:58,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:36:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:36:59,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2336 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2020-12-23 04:36:59,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532751582] [2020-12-23 04:36:59,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:36:59,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:36:59,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226766671] [2020-12-23 04:36:59,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:36:59,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:36:59,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:36:59,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:36:59,541 INFO L87 Difference]: Start difference. First operand 13164 states and 13641 transitions. Second operand 3 states. [2020-12-23 04:37:01,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:37:01,220 INFO L93 Difference]: Finished difference Result 28300 states and 29345 transitions. [2020-12-23 04:37:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:37:01,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1104 [2020-12-23 04:37:01,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:37:01,246 INFO L225 Difference]: With dead ends: 28300 [2020-12-23 04:37:01,247 INFO L226 Difference]: Without dead ends: 13822 [2020-12-23 04:37:01,257 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 [2020-12-23 04:37:01,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2020-12-23 04:37:01,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 12835. [2020-12-23 04:37:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12835 states. [2020-12-23 04:37:01,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12835 states to 12835 states and 13216 transitions. [2020-12-23 04:37:01,420 INFO L78 Accepts]: Start accepts. Automaton has 12835 states and 13216 transitions. Word has length 1104 [2020-12-23 04:37:01,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:37:01,421 INFO L481 AbstractCegarLoop]: Abstraction has 12835 states and 13216 transitions. [2020-12-23 04:37:01,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:37:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 12835 states and 13216 transitions. [2020-12-23 04:37:01,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1314 [2020-12-23 04:37:01,457 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:37:01,459 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:37:01,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 04:37:01,459 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:37:01,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:37:01,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1009582222, now seen corresponding path program 1 times [2020-12-23 04:37:01,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:37:01,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975823514] [2020-12-23 04:37:01,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:37:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:37:02,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3576 backedges. 2396 proven. 0 refuted. 0 times theorem prover too weak. 1180 trivial. 0 not checked. [2020-12-23 04:37:02,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975823514] [2020-12-23 04:37:02,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:37:02,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:37:03,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927429100] [2020-12-23 04:37:03,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:37:03,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:37:03,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:37:03,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:37:03,002 INFO L87 Difference]: Start difference. First operand 12835 states and 13216 transitions. Second operand 3 states. [2020-12-23 04:37:04,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:37:04,641 INFO L93 Difference]: Finished difference Result 25668 states and 26429 transitions. [2020-12-23 04:37:04,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:37:04,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1313 [2020-12-23 04:37:04,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:37:04,668 INFO L225 Difference]: With dead ends: 25668 [2020-12-23 04:37:04,668 INFO L226 Difference]: Without dead ends: 12835 [2020-12-23 04:37:04,678 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 [2020-12-23 04:37:04,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12835 states. [2020-12-23 04:37:04,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12835 to 12177. [2020-12-23 04:37:04,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12177 states. [2020-12-23 04:37:04,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12177 states to 12177 states and 12425 transitions. [2020-12-23 04:37:04,842 INFO L78 Accepts]: Start accepts. Automaton has 12177 states and 12425 transitions. Word has length 1313 [2020-12-23 04:37:04,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:37:04,843 INFO L481 AbstractCegarLoop]: Abstraction has 12177 states and 12425 transitions. [2020-12-23 04:37:04,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:37:04,843 INFO L276 IsEmpty]: Start isEmpty. Operand 12177 states and 12425 transitions. [2020-12-23 04:37:04,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1360 [2020-12-23 04:37:04,885 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:37:04,888 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:37:04,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 04:37:04,888 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:37:04,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:37:04,889 INFO L82 PathProgramCache]: Analyzing trace with hash -729374629, now seen corresponding path program 1 times [2020-12-23 04:37:04,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:37:04,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312636356] [2020-12-23 04:37:04,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:37:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:37:06,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3814 backedges. 2317 proven. 0 refuted. 0 times theorem prover too weak. 1497 trivial. 0 not checked. [2020-12-23 04:37:06,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312636356] [2020-12-23 04:37:06,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:37:06,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:37:06,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532244891] [2020-12-23 04:37:06,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:37:06,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:37:06,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:37:06,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:37:06,547 INFO L87 Difference]: Start difference. First operand 12177 states and 12425 transitions. Second operand 3 states. [2020-12-23 04:37:08,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:37:08,129 INFO L93 Difference]: Finished difference Result 24681 states and 25186 transitions. [2020-12-23 04:37:08,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:37:08,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1359 [2020-12-23 04:37:08,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:37:08,154 INFO L225 Difference]: With dead ends: 24681 [2020-12-23 04:37:08,154 INFO L226 Difference]: Without dead ends: 12835 [2020-12-23 04:37:08,165 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 [2020-12-23 04:37:08,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12835 states. [2020-12-23 04:37:08,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12835 to 12835. [2020-12-23 04:37:08,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12835 states. [2020-12-23 04:37:08,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12835 states to 12835 states and 13088 transitions. [2020-12-23 04:37:08,321 INFO L78 Accepts]: Start accepts. Automaton has 12835 states and 13088 transitions. Word has length 1359 [2020-12-23 04:37:08,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:37:08,322 INFO L481 AbstractCegarLoop]: Abstraction has 12835 states and 13088 transitions. [2020-12-23 04:37:08,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:37:08,322 INFO L276 IsEmpty]: Start isEmpty. Operand 12835 states and 13088 transitions. [2020-12-23 04:37:08,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1414 [2020-12-23 04:37:08,351 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:37:08,352 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:37:08,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 04:37:08,353 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:37:08,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:37:08,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1974144524, now seen corresponding path program 1 times [2020-12-23 04:37:08,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:37:08,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528629718] [2020-12-23 04:37:08,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:37:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:37:10,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3809 backedges. 1064 proven. 0 refuted. 0 times theorem prover too weak. 2745 trivial. 0 not checked. [2020-12-23 04:37:10,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528629718] [2020-12-23 04:37:10,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:37:10,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:37:10,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627429332] [2020-12-23 04:37:10,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:37:10,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:37:10,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:37:10,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:37:10,081 INFO L87 Difference]: Start difference. First operand 12835 states and 13088 transitions. Second operand 3 states. [2020-12-23 04:37:11,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:37:11,759 INFO L93 Difference]: Finished difference Result 26326 states and 26843 transitions. [2020-12-23 04:37:11,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:37:11,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1413 [2020-12-23 04:37:11,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:37:11,777 INFO L225 Difference]: With dead ends: 26326 [2020-12-23 04:37:11,777 INFO L226 Difference]: Without dead ends: 12506 [2020-12-23 04:37:11,785 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 [2020-12-23 04:37:11,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12506 states. [2020-12-23 04:37:11,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12506 to 12506. [2020-12-23 04:37:11,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12506 states. [2020-12-23 04:37:11,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 12702 transitions. [2020-12-23 04:37:11,980 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 12702 transitions. Word has length 1413 [2020-12-23 04:37:11,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:37:11,981 INFO L481 AbstractCegarLoop]: Abstraction has 12506 states and 12702 transitions. [2020-12-23 04:37:11,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:37:11,982 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 12702 transitions. [2020-12-23 04:37:12,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1600 [2020-12-23 04:37:12,015 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:37:12,016 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 04:37:12,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 04:37:12,016 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:37:12,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:37:12,017 INFO L82 PathProgramCache]: Analyzing trace with hash 586869360, now seen corresponding path program 1 times [2020-12-23 04:37:12,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:37:12,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759801208] [2020-12-23 04:37:12,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:37:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:37:14,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3945 backedges. 2887 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2020-12-23 04:37:14,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759801208] [2020-12-23 04:37:14,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:37:14,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 04:37:14,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736772708] [2020-12-23 04:37:14,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 04:37:14,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:37:14,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 04:37:14,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 04:37:14,922 INFO L87 Difference]: Start difference. First operand 12506 states and 12702 transitions. Second operand 5 states. [2020-12-23 04:37:18,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:37:18,106 INFO L93 Difference]: Finished difference Result 25680 states and 26079 transitions. [2020-12-23 04:37:18,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 04:37:18,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1599 [2020-12-23 04:37:18,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:37:18,123 INFO L225 Difference]: With dead ends: 25680 [2020-12-23 04:37:18,123 INFO L226 Difference]: Without dead ends: 13505 [2020-12-23 04:37:18,133 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:37:18,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13505 states. [2020-12-23 04:37:18,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13505 to 12835. [2020-12-23 04:37:18,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12835 states. [2020-12-23 04:37:18,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12835 states to 12835 states and 13029 transitions. [2020-12-23 04:37:18,289 INFO L78 Accepts]: Start accepts. Automaton has 12835 states and 13029 transitions. Word has length 1599 [2020-12-23 04:37:18,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:37:18,290 INFO L481 AbstractCegarLoop]: Abstraction has 12835 states and 13029 transitions. [2020-12-23 04:37:18,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 04:37:18,290 INFO L276 IsEmpty]: Start isEmpty. Operand 12835 states and 13029 transitions. [2020-12-23 04:37:18,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1772 [2020-12-23 04:37:18,327 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:37:18,328 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-12-23 04:37:18,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 04:37:18,328 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:37:18,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:37:18,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1476083692, now seen corresponding path program 1 times [2020-12-23 04:37:18,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:37:18,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118658842] [2020-12-23 04:37:18,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:37:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:37:20,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 1414 proven. 0 refuted. 0 times theorem prover too weak. 3955 trivial. 0 not checked. [2020-12-23 04:37:20,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118658842] [2020-12-23 04:37:20,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:37:20,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 04:37:20,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925682719] [2020-12-23 04:37:20,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:37:20,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:37:20,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:37:20,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:37:20,979 INFO L87 Difference]: Start difference. First operand 12835 states and 13029 transitions. Second operand 4 states. [2020-12-23 04:37:23,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:37:23,243 INFO L93 Difference]: Finished difference Result 28637 states and 29078 transitions. [2020-12-23 04:37:23,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:37:23,244 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1771 [2020-12-23 04:37:23,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:37:23,260 INFO L225 Difference]: With dead ends: 28637 [2020-12-23 04:37:23,261 INFO L226 Difference]: Without dead ends: 16125 [2020-12-23 04:37:23,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:37:23,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2020-12-23 04:37:23,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 13822. [2020-12-23 04:37:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13822 states. [2020-12-23 04:37:23,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14023 transitions. [2020-12-23 04:37:23,471 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14023 transitions. Word has length 1771 [2020-12-23 04:37:23,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:37:23,473 INFO L481 AbstractCegarLoop]: Abstraction has 13822 states and 14023 transitions. [2020-12-23 04:37:23,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:37:23,473 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14023 transitions. [2020-12-23 04:37:23,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1811 [2020-12-23 04:37:23,502 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:37:23,503 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 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] [2020-12-23 04:37:23,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 04:37:23,503 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:37:23,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:37:23,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1696144628, now seen corresponding path program 1 times [2020-12-23 04:37:23,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:37:23,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329455469] [2020-12-23 04:37:23,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:37:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:37:26,053 INFO L134 CoverageAnalysis]: Checked inductivity of 5582 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 5430 trivial. 0 not checked. [2020-12-23 04:37:26,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329455469] [2020-12-23 04:37:26,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:37:26,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:37:26,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35084704] [2020-12-23 04:37:26,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:37:26,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:37:26,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:37:26,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:37:26,056 INFO L87 Difference]: Start difference. First operand 13822 states and 14023 transitions. Second operand 3 states. [2020-12-23 04:37:27,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:37:27,839 INFO L93 Difference]: Finished difference Result 30603 states and 31065 transitions. [2020-12-23 04:37:27,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:37:27,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1810 [2020-12-23 04:37:27,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:37:27,856 INFO L225 Difference]: With dead ends: 30603 [2020-12-23 04:37:27,857 INFO L226 Difference]: Without dead ends: 16783 [2020-12-23 04:37:27,866 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 [2020-12-23 04:37:27,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2020-12-23 04:37:27,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 13164. [2020-12-23 04:37:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13164 states. [2020-12-23 04:37:28,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13357 transitions. [2020-12-23 04:37:28,013 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13357 transitions. Word has length 1810 [2020-12-23 04:37:28,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:37:28,015 INFO L481 AbstractCegarLoop]: Abstraction has 13164 states and 13357 transitions. [2020-12-23 04:37:28,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:37:28,015 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13357 transitions. [2020-12-23 04:37:28,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1831 [2020-12-23 04:37:28,055 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:37:28,056 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:37:28,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 04:37:28,057 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:37:28,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:37:28,058 INFO L82 PathProgramCache]: Analyzing trace with hash -282076663, now seen corresponding path program 1 times [2020-12-23 04:37:28,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:37:28,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030505881] [2020-12-23 04:37:28,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:37:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:37:31,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5589 backedges. 3067 proven. 66 refuted. 0 times theorem prover too weak. 2456 trivial. 0 not checked. [2020-12-23 04:37:31,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030505881] [2020-12-23 04:37:31,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449932128] [2020-12-23 04:37:31,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:37:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:37:31,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 2121 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-23 04:37:31,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:37:37,579 INFO L134 CoverageAnalysis]: Checked inductivity of 5589 backedges. 2478 proven. 201 refuted. 0 times theorem prover too weak. 2910 trivial. 0 not checked. [2020-12-23 04:37:37,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 04:37:37,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2020-12-23 04:37:37,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551460740] [2020-12-23 04:37:37,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 04:37:37,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:37:37,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 04:37:37,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:37:37,585 INFO L87 Difference]: Start difference. First operand 13164 states and 13357 transitions. Second operand 7 states. [2020-12-23 04:37:44,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:37:44,210 INFO L93 Difference]: Finished difference Result 34222 states and 34733 transitions. [2020-12-23 04:37:44,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 04:37:44,213 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1830 [2020-12-23 04:37:44,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:37:44,277 INFO L225 Difference]: With dead ends: 34222 [2020-12-23 04:37:44,278 INFO L226 Difference]: Without dead ends: 21389 [2020-12-23 04:37:44,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1835 GetRequests, 1828 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 04:37:44,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21389 states. [2020-12-23 04:37:44,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21389 to 16783. [2020-12-23 04:37:44,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16783 states. [2020-12-23 04:37:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17037 transitions. [2020-12-23 04:37:44,611 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17037 transitions. Word has length 1830 [2020-12-23 04:37:44,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:37:44,612 INFO L481 AbstractCegarLoop]: Abstraction has 16783 states and 17037 transitions. [2020-12-23 04:37:44,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 04:37:44,613 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17037 transitions. [2020-12-23 04:37:44,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1861 [2020-12-23 04:37:44,659 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:37:44,660 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:37:44,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:37:44,873 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:37:44,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:37:44,875 INFO L82 PathProgramCache]: Analyzing trace with hash 563962567, now seen corresponding path program 1 times [2020-12-23 04:37:44,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:37:44,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144289114] [2020-12-23 04:37:44,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:37:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:37:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 6215 backedges. 2390 proven. 156 refuted. 0 times theorem prover too weak. 3669 trivial. 0 not checked. [2020-12-23 04:37:49,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144289114] [2020-12-23 04:37:49,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181391390] [2020-12-23 04:37:49,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:37:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:37:49,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 2175 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 04:37:49,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:37:53,428 INFO L134 CoverageAnalysis]: Checked inductivity of 6215 backedges. 2546 proven. 0 refuted. 0 times theorem prover too weak. 3669 trivial. 0 not checked. [2020-12-23 04:37:53,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:37:53,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-23 04:37:53,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256216012] [2020-12-23 04:37:53,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:37:53,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:37:53,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:37:53,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:37:53,432 INFO L87 Difference]: Start difference. First operand 16783 states and 17037 transitions. Second operand 3 states. [2020-12-23 04:37:55,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:37:55,133 INFO L93 Difference]: Finished difference Result 34551 states and 35085 transitions. [2020-12-23 04:37:55,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:37:55,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1860 [2020-12-23 04:37:55,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:37:55,184 INFO L225 Difference]: With dead ends: 34551 [2020-12-23 04:37:55,184 INFO L226 Difference]: Without dead ends: 18099 [2020-12-23 04:37:55,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1864 GetRequests, 1859 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:37:55,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18099 states. [2020-12-23 04:37:55,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18099 to 18099. [2020-12-23 04:37:55,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18099 states. [2020-12-23 04:37:55,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18099 states to 18099 states and 18366 transitions. [2020-12-23 04:37:55,530 INFO L78 Accepts]: Start accepts. Automaton has 18099 states and 18366 transitions. Word has length 1860 [2020-12-23 04:37:55,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:37:55,531 INFO L481 AbstractCegarLoop]: Abstraction has 18099 states and 18366 transitions. [2020-12-23 04:37:55,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:37:55,531 INFO L276 IsEmpty]: Start isEmpty. Operand 18099 states and 18366 transitions. [2020-12-23 04:37:55,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2270 [2020-12-23 04:37:55,584 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:37:55,585 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-12-23 04:37:55,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:37:55,801 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:37:55,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:37:55,803 INFO L82 PathProgramCache]: Analyzing trace with hash -2051806263, now seen corresponding path program 1 times [2020-12-23 04:37:55,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:37:55,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816046553] [2020-12-23 04:37:55,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:37:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:38:02,384 INFO L134 CoverageAnalysis]: Checked inductivity of 9559 backedges. 5525 proven. 1581 refuted. 0 times theorem prover too weak. 2453 trivial. 0 not checked. [2020-12-23 04:38:02,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816046553] [2020-12-23 04:38:02,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726620880] [2020-12-23 04:38:02,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:38:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:38:03,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 2635 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:38:03,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:38:07,798 INFO L134 CoverageAnalysis]: Checked inductivity of 9559 backedges. 2159 proven. 0 refuted. 0 times theorem prover too weak. 7400 trivial. 0 not checked. [2020-12-23 04:38:07,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:38:07,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-12-23 04:38:07,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952813547] [2020-12-23 04:38:07,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:38:07,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:38:07,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:38:07,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:38:07,803 INFO L87 Difference]: Start difference. First operand 18099 states and 18366 transitions. Second operand 3 states. [2020-12-23 04:38:09,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:38:09,537 INFO L93 Difference]: Finished difference Result 37183 states and 37730 transitions. [2020-12-23 04:38:09,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:38:09,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2269 [2020-12-23 04:38:09,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:38:09,559 INFO L225 Difference]: With dead ends: 37183 [2020-12-23 04:38:09,560 INFO L226 Difference]: Without dead ends: 19415 [2020-12-23 04:38:09,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2274 GetRequests, 2270 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:38:09,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19415 states. [2020-12-23 04:38:09,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19415 to 18757. [2020-12-23 04:38:09,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18757 states. [2020-12-23 04:38:09,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18757 states to 18757 states and 19018 transitions. [2020-12-23 04:38:09,838 INFO L78 Accepts]: Start accepts. Automaton has 18757 states and 19018 transitions. Word has length 2269 [2020-12-23 04:38:09,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:38:09,840 INFO L481 AbstractCegarLoop]: Abstraction has 18757 states and 19018 transitions. [2020-12-23 04:38:09,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:38:09,840 INFO L276 IsEmpty]: Start isEmpty. Operand 18757 states and 19018 transitions. [2020-12-23 04:38:09,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2317 [2020-12-23 04:38:09,901 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:38:09,903 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-12-23 04:38:10,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:38:10,117 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:38:10,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:38:10,119 INFO L82 PathProgramCache]: Analyzing trace with hash 185674810, now seen corresponding path program 1 times [2020-12-23 04:38:10,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:38:10,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866912136] [2020-12-23 04:38:10,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:38:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:38:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 9888 backedges. 5713 proven. 1581 refuted. 0 times theorem prover too weak. 2594 trivial. 0 not checked. [2020-12-23 04:38:17,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866912136] [2020-12-23 04:38:17,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443486557] [2020-12-23 04:38:17,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:38:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:38:17,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 2684 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 04:38:17,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:38:22,070 INFO L134 CoverageAnalysis]: Checked inductivity of 9888 backedges. 5689 proven. 0 refuted. 0 times theorem prover too weak. 4199 trivial. 0 not checked. [2020-12-23 04:38:22,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:38:22,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-12-23 04:38:22,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750572884] [2020-12-23 04:38:22,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:38:22,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:38:22,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:38:22,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:38:22,075 INFO L87 Difference]: Start difference. First operand 18757 states and 19018 transitions. Second operand 3 states. [2020-12-23 04:38:23,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:38:23,723 INFO L93 Difference]: Finished difference Result 37512 states and 38036 transitions. [2020-12-23 04:38:23,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:38:23,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2316 [2020-12-23 04:38:23,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:38:23,748 INFO L225 Difference]: With dead ends: 37512 [2020-12-23 04:38:23,748 INFO L226 Difference]: Without dead ends: 19086 [2020-12-23 04:38:23,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2321 GetRequests, 2317 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:38:23,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19086 states. [2020-12-23 04:38:23,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19086 to 18757. [2020-12-23 04:38:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18757 states. [2020-12-23 04:38:23,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18757 states to 18757 states and 19017 transitions. [2020-12-23 04:38:23,998 INFO L78 Accepts]: Start accepts. Automaton has 18757 states and 19017 transitions. Word has length 2316 [2020-12-23 04:38:24,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:38:24,000 INFO L481 AbstractCegarLoop]: Abstraction has 18757 states and 19017 transitions. [2020-12-23 04:38:24,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:38:24,000 INFO L276 IsEmpty]: Start isEmpty. Operand 18757 states and 19017 transitions. [2020-12-23 04:38:24,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2491 [2020-12-23 04:38:24,062 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:38:24,063 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 04:38:24,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-12-23 04:38:24,278 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:38:24,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:38:24,280 INFO L82 PathProgramCache]: Analyzing trace with hash -171605601, now seen corresponding path program 1 times [2020-12-23 04:38:24,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:38:24,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241379078] [2020-12-23 04:38:24,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:38:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:38:33,182 INFO L134 CoverageAnalysis]: Checked inductivity of 10255 backedges. 7702 proven. 1130 refuted. 0 times theorem prover too weak. 1423 trivial. 0 not checked. [2020-12-23 04:38:33,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241379078] [2020-12-23 04:38:33,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606265342] [2020-12-23 04:38:33,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:38:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:38:33,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 2863 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 04:38:34,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:38:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 10255 backedges. 6634 proven. 0 refuted. 0 times theorem prover too weak. 3621 trivial. 0 not checked. [2020-12-23 04:38:39,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:38:39,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2020-12-23 04:38:39,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281784142] [2020-12-23 04:38:39,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:38:39,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:38:39,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:38:39,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-12-23 04:38:39,784 INFO L87 Difference]: Start difference. First operand 18757 states and 19017 transitions. Second operand 4 states. [2020-12-23 04:38:42,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:38:42,275 INFO L93 Difference]: Finished difference Result 37183 states and 37701 transitions. [2020-12-23 04:38:42,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:38:42,276 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 2490 [2020-12-23 04:38:42,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:38:42,293 INFO L225 Difference]: With dead ends: 37183 [2020-12-23 04:38:42,294 INFO L226 Difference]: Without dead ends: 18757 [2020-12-23 04:38:42,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2500 GetRequests, 2489 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-12-23 04:38:42,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18757 states. [2020-12-23 04:38:42,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18757 to 18757. [2020-12-23 04:38:42,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18757 states. [2020-12-23 04:38:42,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18757 states to 18757 states and 19014 transitions. [2020-12-23 04:38:42,510 INFO L78 Accepts]: Start accepts. Automaton has 18757 states and 19014 transitions. Word has length 2490 [2020-12-23 04:38:42,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:38:42,512 INFO L481 AbstractCegarLoop]: Abstraction has 18757 states and 19014 transitions. [2020-12-23 04:38:42,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:38:42,512 INFO L276 IsEmpty]: Start isEmpty. Operand 18757 states and 19014 transitions. [2020-12-23 04:38:42,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2530 [2020-12-23 04:38:42,554 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:38:42,555 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 04:38:42,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:38:42,756 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:38:42,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:38:42,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1643337369, now seen corresponding path program 1 times [2020-12-23 04:38:42,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:38:42,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074061474] [2020-12-23 04:38:42,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:38:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:38:50,633 INFO L134 CoverageAnalysis]: Checked inductivity of 11369 backedges. 5444 proven. 1035 refuted. 0 times theorem prover too weak. 4890 trivial. 0 not checked. [2020-12-23 04:38:50,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074061474] [2020-12-23 04:38:50,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034956405] [2020-12-23 04:38:50,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:38:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:38:51,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 2897 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 04:38:51,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:38:56,236 INFO L134 CoverageAnalysis]: Checked inductivity of 11369 backedges. 5719 proven. 0 refuted. 0 times theorem prover too weak. 5650 trivial. 0 not checked. [2020-12-23 04:38:56,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:38:56,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2020-12-23 04:38:56,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005667731] [2020-12-23 04:38:56,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:38:56,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:38:56,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:38:56,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-23 04:38:56,240 INFO L87 Difference]: Start difference. First operand 18757 states and 19014 transitions. Second operand 3 states. [2020-12-23 04:38:58,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:38:58,163 INFO L93 Difference]: Finished difference Result 38828 states and 39367 transitions. [2020-12-23 04:38:58,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:38:58,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2529 [2020-12-23 04:38:58,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:38:58,179 INFO L225 Difference]: With dead ends: 38828 [2020-12-23 04:38:58,180 INFO L226 Difference]: Without dead ends: 20402 [2020-12-23 04:38:58,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2537 GetRequests, 2530 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-23 04:38:58,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20402 states. [2020-12-23 04:38:58,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20402 to 19744. [2020-12-23 04:38:58,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19744 states. [2020-12-23 04:38:58,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19744 states to 19744 states and 20008 transitions. [2020-12-23 04:38:58,377 INFO L78 Accepts]: Start accepts. Automaton has 19744 states and 20008 transitions. Word has length 2529 [2020-12-23 04:38:58,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:38:58,378 INFO L481 AbstractCegarLoop]: Abstraction has 19744 states and 20008 transitions. [2020-12-23 04:38:58,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:38:58,379 INFO L276 IsEmpty]: Start isEmpty. Operand 19744 states and 20008 transitions. [2020-12-23 04:38:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2661 [2020-12-23 04:38:58,428 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:38:58,429 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 04:38:58,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:38:58,630 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:38:58,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:38:58,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1325590410, now seen corresponding path program 1 times [2020-12-23 04:38:58,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:38:58,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31835154] [2020-12-23 04:38:58,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:38:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:39:06,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12652 backedges. 5765 proven. 1166 refuted. 0 times theorem prover too weak. 5721 trivial. 0 not checked. [2020-12-23 04:39:06,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31835154] [2020-12-23 04:39:06,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126300410] [2020-12-23 04:39:06,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:39:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:39:07,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 3025 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 04:39:07,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:39:09,235 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 04:39:15,028 INFO L134 CoverageAnalysis]: Checked inductivity of 12652 backedges. 8270 proven. 250 refuted. 0 times theorem prover too weak. 4132 trivial. 0 not checked. [2020-12-23 04:39:15,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 04:39:15,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2020-12-23 04:39:15,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9697361] [2020-12-23 04:39:15,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 04:39:15,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:39:15,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 04:39:15,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-12-23 04:39:15,032 INFO L87 Difference]: Start difference. First operand 19744 states and 20008 transitions. Second operand 10 states. [2020-12-23 04:39:29,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:39:29,772 INFO L93 Difference]: Finished difference Result 49546 states and 50201 transitions. [2020-12-23 04:39:29,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 04:39:29,773 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 2660 [2020-12-23 04:39:29,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:39:29,806 INFO L225 Difference]: With dead ends: 49546 [2020-12-23 04:39:29,806 INFO L226 Difference]: Without dead ends: 30133 [2020-12-23 04:39:29,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2696 GetRequests, 2671 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2020-12-23 04:39:29,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30133 states. [2020-12-23 04:39:30,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30133 to 20073. [2020-12-23 04:39:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20073 states. [2020-12-23 04:39:30,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20073 states to 20073 states and 20337 transitions. [2020-12-23 04:39:30,051 INFO L78 Accepts]: Start accepts. Automaton has 20073 states and 20337 transitions. Word has length 2660 [2020-12-23 04:39:30,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:39:30,052 INFO L481 AbstractCegarLoop]: Abstraction has 20073 states and 20337 transitions. [2020-12-23 04:39:30,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 04:39:30,052 INFO L276 IsEmpty]: Start isEmpty. Operand 20073 states and 20337 transitions. [2020-12-23 04:39:30,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2709 [2020-12-23 04:39:30,098 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:39:30,099 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:39:30,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-12-23 04:39:30,301 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:39:30,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:39:30,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1738448531, now seen corresponding path program 1 times [2020-12-23 04:39:30,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:39:30,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336586263] [2020-12-23 04:39:30,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:39:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:39:39,261 INFO L134 CoverageAnalysis]: Checked inductivity of 13577 backedges. 7810 proven. 2292 refuted. 0 times theorem prover too weak. 3475 trivial. 0 not checked. [2020-12-23 04:39:39,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336586263] [2020-12-23 04:39:39,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375706657] [2020-12-23 04:39:39,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:39:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:39:40,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 3119 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 04:39:40,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:39:41,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 04:39:41,603 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 04:39:41,605 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 04:39:41,609 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 04:39:41,614 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 04:39:41,619 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 04:39:41,624 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 04:39:41,630 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 04:39:41,655 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 04:39:41,673 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 04:39:41,682 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 04:39:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 13577 backedges. 8068 proven. 0 refuted. 0 times theorem prover too weak. 5509 trivial. 0 not checked. [2020-12-23 04:39:45,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:39:45,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2020-12-23 04:39:45,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250608942] [2020-12-23 04:39:45,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:39:45,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:39:45,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:39:45,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-12-23 04:39:45,843 INFO L87 Difference]: Start difference. First operand 20073 states and 20337 transitions. Second operand 4 states. [2020-12-23 04:39:48,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:39:48,489 INFO L93 Difference]: Finished difference Result 40144 states and 40676 transitions. [2020-12-23 04:39:48,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:39:48,490 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 2708 [2020-12-23 04:39:48,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:39:48,508 INFO L225 Difference]: With dead ends: 40144 [2020-12-23 04:39:48,508 INFO L226 Difference]: Without dead ends: 20402 [2020-12-23 04:39:48,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2714 GetRequests, 2708 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-12-23 04:39:48,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20402 states. [2020-12-23 04:39:48,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20402 to 20402. [2020-12-23 04:39:48,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20402 states. [2020-12-23 04:39:48,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20402 states to 20402 states and 20670 transitions. [2020-12-23 04:39:48,721 INFO L78 Accepts]: Start accepts. Automaton has 20402 states and 20670 transitions. Word has length 2708 [2020-12-23 04:39:48,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:39:48,723 INFO L481 AbstractCegarLoop]: Abstraction has 20402 states and 20670 transitions. [2020-12-23 04:39:48,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:39:48,723 INFO L276 IsEmpty]: Start isEmpty. Operand 20402 states and 20670 transitions. [2020-12-23 04:39:48,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2762 [2020-12-23 04:39:48,774 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:39:48,775 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 04:39:48,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2020-12-23 04:39:48,976 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:39:48,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:39:48,978 INFO L82 PathProgramCache]: Analyzing trace with hash -421927495, now seen corresponding path program 1 times [2020-12-23 04:39:48,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:39:48,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132057668] [2020-12-23 04:39:48,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:39:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:39:54,738 INFO L134 CoverageAnalysis]: Checked inductivity of 13812 backedges. 8749 proven. 0 refuted. 0 times theorem prover too weak. 5063 trivial. 0 not checked. [2020-12-23 04:39:54,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132057668] [2020-12-23 04:39:54,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:39:54,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 04:39:54,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305071094] [2020-12-23 04:39:54,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:39:54,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:39:54,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:39:54,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:39:54,741 INFO L87 Difference]: Start difference. First operand 20402 states and 20670 transitions. Second operand 4 states. [2020-12-23 04:39:57,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:39:57,853 INFO L93 Difference]: Finished difference Result 43105 states and 43675 transitions. [2020-12-23 04:39:57,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:39:57,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 2761 [2020-12-23 04:39:57,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:39:57,875 INFO L225 Difference]: With dead ends: 43105 [2020-12-23 04:39:57,875 INFO L226 Difference]: Without dead ends: 23034 [2020-12-23 04:39:57,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:39:57,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23034 states. [2020-12-23 04:39:58,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23034 to 21718. [2020-12-23 04:39:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21718 states. [2020-12-23 04:39:58,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21718 states to 21718 states and 22004 transitions. [2020-12-23 04:39:58,106 INFO L78 Accepts]: Start accepts. Automaton has 21718 states and 22004 transitions. Word has length 2761 [2020-12-23 04:39:58,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:39:58,107 INFO L481 AbstractCegarLoop]: Abstraction has 21718 states and 22004 transitions. [2020-12-23 04:39:58,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:39:58,107 INFO L276 IsEmpty]: Start isEmpty. Operand 21718 states and 22004 transitions. [2020-12-23 04:39:58,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2838 [2020-12-23 04:39:58,159 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:39:58,160 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:39:58,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 04:39:58,161 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:39:58,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:39:58,162 INFO L82 PathProgramCache]: Analyzing trace with hash 2143747229, now seen corresponding path program 1 times [2020-12-23 04:39:58,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:39:58,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277087162] [2020-12-23 04:39:58,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:39:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat