/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_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 04:42:27,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 04:42:27,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 04:42:27,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 04:42:27,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 04:42:27,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 04:42:27,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 04:42:27,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 04:42:27,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 04:42:27,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 04:42:27,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 04:42:27,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 04:42:27,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 04:42:27,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 04:42:27,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 04:42:27,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 04:42:27,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 04:42:27,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 04:42:27,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 04:42:27,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 04:42:27,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 04:42:27,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 04:42:27,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 04:42:27,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 04:42:27,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 04:42:27,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 04:42:27,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 04:42:27,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 04:42:27,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 04:42:27,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 04:42:27,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 04:42:27,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 04:42:27,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 04:42:27,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 04:42:27,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 04:42:27,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 04:42:27,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 04:42:27,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 04:42:27,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 04:42:27,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 04:42:27,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 04:42:27,168 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 04:42:27,212 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 04:42:27,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 04:42:27,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 04:42:27,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 04:42:27,216 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 04:42:27,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 04:42:27,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 04:42:27,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 04:42:27,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 04:42:27,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 04:42:27,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 04:42:27,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 04:42:27,219 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 04:42:27,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 04:42:27,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 04:42:27,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 04:42:27,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 04:42:27,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 04:42:27,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 04:42:27,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 04:42:27,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 04:42:27,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 04:42:27,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 04:42:27,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 04:42:27,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 04:42:27,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 04:42:27,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 04:42:27,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 04:42:27,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 04:42:27,661 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 04:42:27,661 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 04:42:27,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label38.c [2020-12-23 04:42:27,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/daa2d9704/3dd15d7bd98e476cb0ddc99fa7bd291c/FLAG9f741e914 [2020-12-23 04:42:28,655 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 04:42:28,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label38.c [2020-12-23 04:42:28,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/daa2d9704/3dd15d7bd98e476cb0ddc99fa7bd291c/FLAG9f741e914 [2020-12-23 04:42:28,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/daa2d9704/3dd15d7bd98e476cb0ddc99fa7bd291c [2020-12-23 04:42:28,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 04:42:28,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 04:42:28,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 04:42:28,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 04:42:28,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 04:42:28,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:42:28" (1/1) ... [2020-12-23 04:42:28,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de810f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:42:28, skipping insertion in model container [2020-12-23 04:42:28,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:42:28" (1/1) ... [2020-12-23 04:42:28,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 04:42:28,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 04:42:29,156 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_label38.c[1461,1474] 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 04:42:29,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 04:42:29,786 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 04:42:29,803 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_label38.c[1461,1474] 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 04:42:30,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 04:42:30,090 INFO L208 MainTranslator]: Completed translation [2020-12-23 04:42:30,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:42:30 WrapperNode [2020-12-23 04:42:30,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 04:42:30,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 04:42:30,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 04:42:30,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 04:42:30,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:42:30" (1/1) ... [2020-12-23 04:42:30,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:42:30" (1/1) ... [2020-12-23 04:42:30,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 04:42:30,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 04:42:30,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 04:42:30,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 04:42:30,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:42:30" (1/1) ... [2020-12-23 04:42:30,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:42:30" (1/1) ... [2020-12-23 04:42:30,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:42:30" (1/1) ... [2020-12-23 04:42:30,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:42:30" (1/1) ... [2020-12-23 04:42:30,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:42:30" (1/1) ... [2020-12-23 04:42:30,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:42:30" (1/1) ... [2020-12-23 04:42:30,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:42:30" (1/1) ... [2020-12-23 04:42:30,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 04:42:30,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 04:42:30,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 04:42:30,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 04:42:30,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:42:30" (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 04:42:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 04:42:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 04:42:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 04:42:30,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 04:42:33,281 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 04:42:33,281 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-23 04:42:33,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:42:33 BoogieIcfgContainer [2020-12-23 04:42:33,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 04:42:33,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 04:42:33,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 04:42:33,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 04:42:33,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:42:28" (1/3) ... [2020-12-23 04:42:33,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c5aff0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:42:33, skipping insertion in model container [2020-12-23 04:42:33,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:42:30" (2/3) ... [2020-12-23 04:42:33,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c5aff0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:42:33, skipping insertion in model container [2020-12-23 04:42:33,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:42:33" (3/3) ... [2020-12-23 04:42:33,293 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label38.c [2020-12-23 04:42:33,300 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 04:42:33,306 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 04:42:33,325 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 04:42:33,355 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 04:42:33,356 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 04:42:33,356 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 04:42:33,356 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 04:42:33,356 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 04:42:33,356 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 04:42:33,356 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 04:42:33,357 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 04:42:33,382 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states. [2020-12-23 04:42:33,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-23 04:42:33,387 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:42:33,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:42:33,388 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:42:33,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:42:33,395 INFO L82 PathProgramCache]: Analyzing trace with hash -988188511, now seen corresponding path program 1 times [2020-12-23 04:42:33,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:42:33,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862472087] [2020-12-23 04:42:33,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:42:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:42:33,597 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 04:42:33,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862472087] [2020-12-23 04:42:33,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:42:33,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:42:33,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745929519] [2020-12-23 04:42:33,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:42:33,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:42:33,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:42:33,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:42:33,623 INFO L87 Difference]: Start difference. First operand 396 states. Second operand 3 states. [2020-12-23 04:42:36,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:42:36,100 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2020-12-23 04:42:36,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:42:36,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-12-23 04:42:36,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:42:36,123 INFO L225 Difference]: With dead ends: 1122 [2020-12-23 04:42:36,123 INFO L226 Difference]: Without dead ends: 662 [2020-12-23 04:42:36,129 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 04:42:36,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-12-23 04:42:36,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-12-23 04:42:36,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-12-23 04:42:36,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1004 transitions. [2020-12-23 04:42:36,214 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1004 transitions. Word has length 11 [2020-12-23 04:42:36,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:42:36,215 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 1004 transitions. [2020-12-23 04:42:36,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:42:36,215 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1004 transitions. [2020-12-23 04:42:36,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 04:42:36,218 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:42:36,218 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:42:36,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 04:42:36,219 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:42:36,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:42:36,220 INFO L82 PathProgramCache]: Analyzing trace with hash 854673318, now seen corresponding path program 1 times [2020-12-23 04:42:36,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:42:36,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782927377] [2020-12-23 04:42:36,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:42:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:42:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 04:42:36,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782927377] [2020-12-23 04:42:36,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:42:36,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:42:36,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702406257] [2020-12-23 04:42:36,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:42:36,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:42:36,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:42:36,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:42:36,457 INFO L87 Difference]: Start difference. First operand 662 states and 1004 transitions. Second operand 3 states. [2020-12-23 04:42:38,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:42:38,836 INFO L93 Difference]: Finished difference Result 1980 states and 3007 transitions. [2020-12-23 04:42:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:42:38,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 04:42:38,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:42:38,846 INFO L225 Difference]: With dead ends: 1980 [2020-12-23 04:42:38,846 INFO L226 Difference]: Without dead ends: 1320 [2020-12-23 04:42:38,850 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 04:42:38,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-12-23 04:42:38,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2020-12-23 04:42:38,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2020-12-23 04:42:38,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1920 transitions. [2020-12-23 04:42:38,908 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1920 transitions. Word has length 79 [2020-12-23 04:42:38,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:42:38,908 INFO L481 AbstractCegarLoop]: Abstraction has 1320 states and 1920 transitions. [2020-12-23 04:42:38,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:42:38,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1920 transitions. [2020-12-23 04:42:38,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 04:42:38,911 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:42:38,912 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 04:42:38,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 04:42:38,912 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:42:38,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:42:38,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1612261121, now seen corresponding path program 1 times [2020-12-23 04:42:38,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:42:38,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651225009] [2020-12-23 04:42:38,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:42:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:42:39,117 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 04:42:39,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651225009] [2020-12-23 04:42:39,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:42:39,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:42:39,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883519450] [2020-12-23 04:42:39,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:42:39,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:42:39,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:42:39,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:42:39,125 INFO L87 Difference]: Start difference. First operand 1320 states and 1920 transitions. Second operand 4 states. [2020-12-23 04:42:42,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:42:42,577 INFO L93 Difference]: Finished difference Result 4283 states and 6144 transitions. [2020-12-23 04:42:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:42:42,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 90 [2020-12-23 04:42:42,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:42:42,594 INFO L225 Difference]: With dead ends: 4283 [2020-12-23 04:42:42,595 INFO L226 Difference]: Without dead ends: 2965 [2020-12-23 04:42:42,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 04:42:42,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2020-12-23 04:42:42,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2965. [2020-12-23 04:42:42,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2965 states. [2020-12-23 04:42:42,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 4052 transitions. [2020-12-23 04:42:42,673 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 4052 transitions. Word has length 90 [2020-12-23 04:42:42,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:42:42,683 INFO L481 AbstractCegarLoop]: Abstraction has 2965 states and 4052 transitions. [2020-12-23 04:42:42,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:42:42,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 4052 transitions. [2020-12-23 04:42:42,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-12-23 04:42:42,700 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:42:42,700 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:42:42,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 04:42:42,701 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:42:42,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:42:42,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1008434381, now seen corresponding path program 1 times [2020-12-23 04:42:42,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:42:42,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395483018] [2020-12-23 04:42:42,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:42:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:42:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-12-23 04:42:42,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395483018] [2020-12-23 04:42:42,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:42:42,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:42:42,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293305866] [2020-12-23 04:42:42,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:42:42,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:42:42,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:42:42,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:42:42,991 INFO L87 Difference]: Start difference. First operand 2965 states and 4052 transitions. Second operand 3 states. [2020-12-23 04:42:45,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:42:45,125 INFO L93 Difference]: Finished difference Result 8231 states and 11469 transitions. [2020-12-23 04:42:45,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:42:45,133 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2020-12-23 04:42:45,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:42:45,165 INFO L225 Difference]: With dead ends: 8231 [2020-12-23 04:42:45,165 INFO L226 Difference]: Without dead ends: 5597 [2020-12-23 04:42:45,169 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 04:42:45,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2020-12-23 04:42:45,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 4281. [2020-12-23 04:42:45,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4281 states. [2020-12-23 04:42:45,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5621 transitions. [2020-12-23 04:42:45,273 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5621 transitions. Word has length 177 [2020-12-23 04:42:45,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:42:45,275 INFO L481 AbstractCegarLoop]: Abstraction has 4281 states and 5621 transitions. [2020-12-23 04:42:45,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:42:45,275 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5621 transitions. [2020-12-23 04:42:45,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-12-23 04:42:45,282 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:42:45,282 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:45,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 04:42:45,283 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:42:45,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:42:45,283 INFO L82 PathProgramCache]: Analyzing trace with hash -150834047, now seen corresponding path program 1 times [2020-12-23 04:42:45,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:42:45,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137085197] [2020-12-23 04:42:45,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:42:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:42:45,545 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-23 04:42:45,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137085197] [2020-12-23 04:42:45,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:42:45,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:42:45,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567081883] [2020-12-23 04:42:45,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:42:45,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:42:45,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:42:45,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:42:45,550 INFO L87 Difference]: Start difference. First operand 4281 states and 5621 transitions. Second operand 3 states. [2020-12-23 04:42:47,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:42:47,541 INFO L93 Difference]: Finished difference Result 9547 states and 12468 transitions. [2020-12-23 04:42:47,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:42:47,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2020-12-23 04:42:47,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:42:47,565 INFO L225 Difference]: With dead ends: 9547 [2020-12-23 04:42:47,565 INFO L226 Difference]: Without dead ends: 5597 [2020-12-23 04:42:47,571 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 04:42:47,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2020-12-23 04:42:47,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2020-12-23 04:42:47,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5597 states. [2020-12-23 04:42:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6806 transitions. [2020-12-23 04:42:47,677 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6806 transitions. Word has length 208 [2020-12-23 04:42:47,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:42:47,678 INFO L481 AbstractCegarLoop]: Abstraction has 5597 states and 6806 transitions. [2020-12-23 04:42:47,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:42:47,678 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6806 transitions. [2020-12-23 04:42:47,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-12-23 04:42:47,686 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:42:47,686 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:47,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 04:42:47,687 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:42:47,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:42:47,687 INFO L82 PathProgramCache]: Analyzing trace with hash -222992116, now seen corresponding path program 1 times [2020-12-23 04:42:47,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:42:47,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914742904] [2020-12-23 04:42:47,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:42:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:42:48,453 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 04:42:48,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914742904] [2020-12-23 04:42:48,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:42:48,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 04:42:48,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822783072] [2020-12-23 04:42:48,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 04:42:48,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:42:48,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 04:42:48,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:42:48,457 INFO L87 Difference]: Start difference. First operand 5597 states and 6806 transitions. Second operand 7 states. [2020-12-23 04:42:51,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:42:51,139 INFO L93 Difference]: Finished difference Result 10722 states and 13122 transitions. [2020-12-23 04:42:51,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 04:42:51,145 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 343 [2020-12-23 04:42:51,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:42:51,165 INFO L225 Difference]: With dead ends: 10722 [2020-12-23 04:42:51,165 INFO L226 Difference]: Without dead ends: 5268 [2020-12-23 04:42:51,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:42:51,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2020-12-23 04:42:51,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 5268. [2020-12-23 04:42:51,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5268 states. [2020-12-23 04:42:51,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5268 states to 5268 states and 5754 transitions. [2020-12-23 04:42:51,267 INFO L78 Accepts]: Start accepts. Automaton has 5268 states and 5754 transitions. Word has length 343 [2020-12-23 04:42:51,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:42:51,268 INFO L481 AbstractCegarLoop]: Abstraction has 5268 states and 5754 transitions. [2020-12-23 04:42:51,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 04:42:51,268 INFO L276 IsEmpty]: Start isEmpty. Operand 5268 states and 5754 transitions. [2020-12-23 04:42:51,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-12-23 04:42:51,273 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:42:51,274 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:42:51,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 04:42:51,274 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:42:51,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:42:51,275 INFO L82 PathProgramCache]: Analyzing trace with hash 2002111780, now seen corresponding path program 1 times [2020-12-23 04:42:51,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:42:51,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445742009] [2020-12-23 04:42:51,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:42:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:42:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-12-23 04:42:51,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445742009] [2020-12-23 04:42:51,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:42:51,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:42:51,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315402678] [2020-12-23 04:42:51,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:42:51,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:42:51,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:42:51,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:42:51,585 INFO L87 Difference]: Start difference. First operand 5268 states and 5754 transitions. Second operand 3 states. [2020-12-23 04:42:53,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:42:53,117 INFO L93 Difference]: Finished difference Result 12837 states and 14168 transitions. [2020-12-23 04:42:53,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:42:53,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 350 [2020-12-23 04:42:53,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:42:53,150 INFO L225 Difference]: With dead ends: 12837 [2020-12-23 04:42:53,150 INFO L226 Difference]: Without dead ends: 7900 [2020-12-23 04:42:53,157 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 04:42:53,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2020-12-23 04:42:53,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 7900. [2020-12-23 04:42:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7900 states. [2020-12-23 04:42:53,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8647 transitions. [2020-12-23 04:42:53,293 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8647 transitions. Word has length 350 [2020-12-23 04:42:53,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:42:53,294 INFO L481 AbstractCegarLoop]: Abstraction has 7900 states and 8647 transitions. [2020-12-23 04:42:53,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:42:53,294 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8647 transitions. [2020-12-23 04:42:53,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2020-12-23 04:42:53,303 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:42:53,303 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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] [2020-12-23 04:42:53,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 04:42:53,304 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:42:53,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:42:53,304 INFO L82 PathProgramCache]: Analyzing trace with hash 467844702, now seen corresponding path program 1 times [2020-12-23 04:42:53,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:42:53,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574494369] [2020-12-23 04:42:53,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:42:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:42:53,689 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-12-23 04:42:53,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574494369] [2020-12-23 04:42:53,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:42:53,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:42:53,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797070989] [2020-12-23 04:42:53,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:42:53,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:42:53,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:42:53,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:42:53,691 INFO L87 Difference]: Start difference. First operand 7900 states and 8647 transitions. Second operand 3 states. [2020-12-23 04:42:55,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:42:55,282 INFO L93 Difference]: Finished difference Result 18101 states and 19954 transitions. [2020-12-23 04:42:55,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:42:55,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 467 [2020-12-23 04:42:55,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:42:55,308 INFO L225 Difference]: With dead ends: 18101 [2020-12-23 04:42:55,308 INFO L226 Difference]: Without dead ends: 10532 [2020-12-23 04:42:55,318 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 04:42:55,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2020-12-23 04:42:55,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 10203. [2020-12-23 04:42:55,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10203 states. [2020-12-23 04:42:55,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10203 states to 10203 states and 11011 transitions. [2020-12-23 04:42:55,511 INFO L78 Accepts]: Start accepts. Automaton has 10203 states and 11011 transitions. Word has length 467 [2020-12-23 04:42:55,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:42:55,512 INFO L481 AbstractCegarLoop]: Abstraction has 10203 states and 11011 transitions. [2020-12-23 04:42:55,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:42:55,513 INFO L276 IsEmpty]: Start isEmpty. Operand 10203 states and 11011 transitions. [2020-12-23 04:42:55,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2020-12-23 04:42:55,526 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:42:55,526 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 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 04:42:55,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 04:42:55,527 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:42:55,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:42:55,528 INFO L82 PathProgramCache]: Analyzing trace with hash -888558466, now seen corresponding path program 1 times [2020-12-23 04:42:55,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:42:55,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479041730] [2020-12-23 04:42:55,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:42:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:42:57,102 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 17 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 04:42:57,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479041730] [2020-12-23 04:42:57,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689806031] [2020-12-23 04:42:57,103 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 04:42:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:42:57,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:42:57,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:42:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-12-23 04:42:58,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:42:58,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2020-12-23 04:42:58,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855447333] [2020-12-23 04:42:58,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:42:58,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:42:58,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:42:58,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-23 04:42:58,554 INFO L87 Difference]: Start difference. First operand 10203 states and 11011 transitions. Second operand 3 states. [2020-12-23 04:42:59,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:42:59,965 INFO L93 Difference]: Finished difference Result 12179 states and 13039 transitions. [2020-12-23 04:42:59,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:42:59,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 534 [2020-12-23 04:42:59,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:42:59,988 INFO L225 Difference]: With dead ends: 12179 [2020-12-23 04:42:59,988 INFO L226 Difference]: Without dead ends: 12177 [2020-12-23 04:42:59,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-23 04:43:00,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12177 states. [2020-12-23 04:43:00,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12177 to 10532. [2020-12-23 04:43:00,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10532 states. [2020-12-23 04:43:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10532 states to 10532 states and 11353 transitions. [2020-12-23 04:43:00,145 INFO L78 Accepts]: Start accepts. Automaton has 10532 states and 11353 transitions. Word has length 534 [2020-12-23 04:43:00,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:43:00,146 INFO L481 AbstractCegarLoop]: Abstraction has 10532 states and 11353 transitions. [2020-12-23 04:43:00,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:43:00,146 INFO L276 IsEmpty]: Start isEmpty. Operand 10532 states and 11353 transitions. [2020-12-23 04:43:00,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881 [2020-12-23 04:43:00,162 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:43:00,163 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-12-23 04:43:00,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 04:43:00,380 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:43:00,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:43:00,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1288005017, now seen corresponding path program 1 times [2020-12-23 04:43:00,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:43:00,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160904740] [2020-12-23 04:43:00,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:43:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:43:02,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1504 backedges. 791 proven. 0 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2020-12-23 04:43:02,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160904740] [2020-12-23 04:43:02,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:43:02,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:43:02,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352158271] [2020-12-23 04:43:02,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:43:02,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:43:02,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:43:02,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:43:02,012 INFO L87 Difference]: Start difference. First operand 10532 states and 11353 transitions. Second operand 3 states. [2020-12-23 04:43:03,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:43:03,511 INFO L93 Difference]: Finished difference Result 21062 states and 22710 transitions. [2020-12-23 04:43:03,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:43:03,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 880 [2020-12-23 04:43:03,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:43:03,531 INFO L225 Difference]: With dead ends: 21062 [2020-12-23 04:43:03,532 INFO L226 Difference]: Without dead ends: 10861 [2020-12-23 04:43:03,541 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 04:43:03,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10861 states. [2020-12-23 04:43:03,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10861 to 10861. [2020-12-23 04:43:03,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10861 states. [2020-12-23 04:43:03,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 11689 transitions. [2020-12-23 04:43:03,684 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 11689 transitions. Word has length 880 [2020-12-23 04:43:03,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:43:03,685 INFO L481 AbstractCegarLoop]: Abstraction has 10861 states and 11689 transitions. [2020-12-23 04:43:03,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:43:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 11689 transitions. [2020-12-23 04:43:03,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2020-12-23 04:43:03,703 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:43:03,704 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-12-23 04:43:03,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 04:43:03,704 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:43:03,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:43:03,705 INFO L82 PathProgramCache]: Analyzing trace with hash -564287955, now seen corresponding path program 1 times [2020-12-23 04:43:03,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:43:03,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445555471] [2020-12-23 04:43:03,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:43:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:43:04,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 843 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2020-12-23 04:43:04,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445555471] [2020-12-23 04:43:04,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:43:04,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:43:04,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476921167] [2020-12-23 04:43:04,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:43:04,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:43:04,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:43:04,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:43:04,564 INFO L87 Difference]: Start difference. First operand 10861 states and 11689 transitions. Second operand 3 states. [2020-12-23 04:43:06,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:43:06,122 INFO L93 Difference]: Finished difference Result 22707 states and 24402 transitions. [2020-12-23 04:43:06,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:43:06,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 888 [2020-12-23 04:43:06,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:43:06,143 INFO L225 Difference]: With dead ends: 22707 [2020-12-23 04:43:06,144 INFO L226 Difference]: Without dead ends: 10861 [2020-12-23 04:43:06,156 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 04:43:06,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10861 states. [2020-12-23 04:43:06,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10861 to 10861. [2020-12-23 04:43:06,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10861 states. [2020-12-23 04:43:06,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 11397 transitions. [2020-12-23 04:43:06,296 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 11397 transitions. Word has length 888 [2020-12-23 04:43:06,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:43:06,297 INFO L481 AbstractCegarLoop]: Abstraction has 10861 states and 11397 transitions. [2020-12-23 04:43:06,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:43:06,297 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 11397 transitions. [2020-12-23 04:43:06,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1184 [2020-12-23 04:43:06,325 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:43:06,326 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:43:06,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 04:43:06,326 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:43:06,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:43:06,327 INFO L82 PathProgramCache]: Analyzing trace with hash -513873675, now seen corresponding path program 1 times [2020-12-23 04:43:06,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:43:06,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275922984] [2020-12-23 04:43:06,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:43:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:43:08,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2475 backedges. 1730 proven. 0 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2020-12-23 04:43:08,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275922984] [2020-12-23 04:43:08,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:43:08,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 04:43:08,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772916039] [2020-12-23 04:43:08,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 04:43:08,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:43:08,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 04:43:08,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:43:08,511 INFO L87 Difference]: Start difference. First operand 10861 states and 11397 transitions. Second operand 6 states. [2020-12-23 04:43:11,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:43:11,087 INFO L93 Difference]: Finished difference Result 21811 states and 22901 transitions. [2020-12-23 04:43:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 04:43:11,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1183 [2020-12-23 04:43:11,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:43:11,113 INFO L225 Difference]: With dead ends: 21811 [2020-12-23 04:43:11,114 INFO L226 Difference]: Without dead ends: 11610 [2020-12-23 04:43:11,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:43:11,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11610 states. [2020-12-23 04:43:11,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11610 to 11519. [2020-12-23 04:43:11,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11519 states. [2020-12-23 04:43:11,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11519 states to 11519 states and 12060 transitions. [2020-12-23 04:43:11,268 INFO L78 Accepts]: Start accepts. Automaton has 11519 states and 12060 transitions. Word has length 1183 [2020-12-23 04:43:11,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:43:11,270 INFO L481 AbstractCegarLoop]: Abstraction has 11519 states and 12060 transitions. [2020-12-23 04:43:11,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 04:43:11,270 INFO L276 IsEmpty]: Start isEmpty. Operand 11519 states and 12060 transitions. [2020-12-23 04:43:11,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1198 [2020-12-23 04:43:11,300 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:43:11,301 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:43:11,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 04:43:11,302 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:43:11,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:43:11,303 INFO L82 PathProgramCache]: Analyzing trace with hash -187353555, now seen corresponding path program 1 times [2020-12-23 04:43:11,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:43:11,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436672210] [2020-12-23 04:43:11,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:43:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:43:13,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2371 backedges. 1663 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2020-12-23 04:43:13,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436672210] [2020-12-23 04:43:13,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:43:13,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 04:43:13,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963525929] [2020-12-23 04:43:13,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 04:43:13,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:43:13,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 04:43:13,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 04:43:13,510 INFO L87 Difference]: Start difference. First operand 11519 states and 12060 transitions. Second operand 5 states. [2020-12-23 04:43:16,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:43:16,778 INFO L93 Difference]: Finished difference Result 23045 states and 24149 transitions. [2020-12-23 04:43:16,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 04:43:16,779 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1197 [2020-12-23 04:43:16,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:43:16,798 INFO L225 Difference]: With dead ends: 23045 [2020-12-23 04:43:16,798 INFO L226 Difference]: Without dead ends: 12186 [2020-12-23 04:43:16,805 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 04:43:16,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12186 states. [2020-12-23 04:43:16,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12186 to 11848. [2020-12-23 04:43:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11848 states. [2020-12-23 04:43:16,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12403 transitions. [2020-12-23 04:43:16,948 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12403 transitions. Word has length 1197 [2020-12-23 04:43:16,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:43:16,950 INFO L481 AbstractCegarLoop]: Abstraction has 11848 states and 12403 transitions. [2020-12-23 04:43:16,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 04:43:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12403 transitions. [2020-12-23 04:43:16,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1200 [2020-12-23 04:43:16,983 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:43:16,984 INFO L422 BasicCegarLoop]: trace histogram [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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 04:43:16,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 04:43:16,985 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:43:16,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:43:16,985 INFO L82 PathProgramCache]: Analyzing trace with hash 571752054, now seen corresponding path program 1 times [2020-12-23 04:43:16,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:43:16,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956782844] [2020-12-23 04:43:16,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:43:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:43:18,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2670 backedges. 857 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2020-12-23 04:43:18,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956782844] [2020-12-23 04:43:18,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:43:18,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:43:18,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032097576] [2020-12-23 04:43:18,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:43:18,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:43:18,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:43:18,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:43:18,321 INFO L87 Difference]: Start difference. First operand 11848 states and 12403 transitions. Second operand 3 states. [2020-12-23 04:43:19,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:43:19,949 INFO L93 Difference]: Finished difference Result 25668 states and 26915 transitions. [2020-12-23 04:43:19,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:43:19,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1199 [2020-12-23 04:43:19,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:43:19,971 INFO L225 Difference]: With dead ends: 25668 [2020-12-23 04:43:19,972 INFO L226 Difference]: Without dead ends: 13164 [2020-12-23 04:43:19,981 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 04:43:19,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2020-12-23 04:43:20,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2020-12-23 04:43:20,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13164 states. [2020-12-23 04:43:20,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13672 transitions. [2020-12-23 04:43:20,138 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13672 transitions. Word has length 1199 [2020-12-23 04:43:20,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:43:20,140 INFO L481 AbstractCegarLoop]: Abstraction has 13164 states and 13672 transitions. [2020-12-23 04:43:20,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:43:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13672 transitions. [2020-12-23 04:43:20,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1332 [2020-12-23 04:43:20,173 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:43:20,174 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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 04:43:20,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 04:43:20,174 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:43:20,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:43:20,175 INFO L82 PathProgramCache]: Analyzing trace with hash -179752077, now seen corresponding path program 1 times [2020-12-23 04:43:20,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:43:20,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497592575] [2020-12-23 04:43:20,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:43:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:43:21,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3590 backedges. 2416 proven. 0 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2020-12-23 04:43:21,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497592575] [2020-12-23 04:43:21,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:43:21,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:43:21,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572579456] [2020-12-23 04:43:21,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:43:21,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:43:21,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:43:21,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:43:21,419 INFO L87 Difference]: Start difference. First operand 13164 states and 13672 transitions. Second operand 3 states. [2020-12-23 04:43:22,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:43:22,932 INFO L93 Difference]: Finished difference Result 25668 states and 26675 transitions. [2020-12-23 04:43:22,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:43:22,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1331 [2020-12-23 04:43:22,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:43:22,953 INFO L225 Difference]: With dead ends: 25668 [2020-12-23 04:43:22,953 INFO L226 Difference]: Without dead ends: 13164 [2020-12-23 04:43:22,963 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 04:43:22,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2020-12-23 04:43:23,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 12835. [2020-12-23 04:43:23,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12835 states. [2020-12-23 04:43:23,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12835 states to 12835 states and 13211 transitions. [2020-12-23 04:43:23,115 INFO L78 Accepts]: Start accepts. Automaton has 12835 states and 13211 transitions. Word has length 1331 [2020-12-23 04:43:23,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:43:23,115 INFO L481 AbstractCegarLoop]: Abstraction has 12835 states and 13211 transitions. [2020-12-23 04:43:23,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:43:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 12835 states and 13211 transitions. [2020-12-23 04:43:23,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1357 [2020-12-23 04:43:23,145 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:43:23,146 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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 04:43:23,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 04:43:23,147 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:43:23,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:43:23,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1635205947, now seen corresponding path program 1 times [2020-12-23 04:43:23,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:43:23,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690172200] [2020-12-23 04:43:23,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:43:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:43:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3765 backedges. 2279 proven. 0 refuted. 0 times theorem prover too weak. 1486 trivial. 0 not checked. [2020-12-23 04:43:24,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690172200] [2020-12-23 04:43:24,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:43:24,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:43:24,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822222099] [2020-12-23 04:43:24,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:43:24,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:43:24,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:43:24,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:43:24,832 INFO L87 Difference]: Start difference. First operand 12835 states and 13211 transitions. Second operand 3 states. [2020-12-23 04:43:26,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:43:26,330 INFO L93 Difference]: Finished difference Result 25668 states and 26422 transitions. [2020-12-23 04:43:26,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:43:26,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1356 [2020-12-23 04:43:26,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:43:26,352 INFO L225 Difference]: With dead ends: 25668 [2020-12-23 04:43:26,353 INFO L226 Difference]: Without dead ends: 13493 [2020-12-23 04:43:26,362 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 04:43:26,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states. [2020-12-23 04:43:26,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 13493. [2020-12-23 04:43:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13493 states. [2020-12-23 04:43:26,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 13874 transitions. [2020-12-23 04:43:26,513 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 13874 transitions. Word has length 1356 [2020-12-23 04:43:26,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:43:26,513 INFO L481 AbstractCegarLoop]: Abstraction has 13493 states and 13874 transitions. [2020-12-23 04:43:26,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:43:26,514 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 13874 transitions. [2020-12-23 04:43:26,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1411 [2020-12-23 04:43:26,537 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:43:26,537 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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 04:43:26,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 04:43:26,538 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:43:26,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:43:26,539 INFO L82 PathProgramCache]: Analyzing trace with hash -480679732, now seen corresponding path program 1 times [2020-12-23 04:43:26,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:43:26,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386636675] [2020-12-23 04:43:26,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:43:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:43:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3765 backedges. 1037 proven. 0 refuted. 0 times theorem prover too weak. 2728 trivial. 0 not checked. [2020-12-23 04:43:28,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386636675] [2020-12-23 04:43:28,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:43:28,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:43:28,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446855603] [2020-12-23 04:43:28,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:43:28,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:43:28,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:43:28,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:43:28,087 INFO L87 Difference]: Start difference. First operand 13493 states and 13874 transitions. Second operand 3 states. [2020-12-23 04:43:29,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:43:29,623 INFO L93 Difference]: Finished difference Result 26655 states and 27415 transitions. [2020-12-23 04:43:29,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:43:29,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1410 [2020-12-23 04:43:29,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:43:29,639 INFO L225 Difference]: With dead ends: 26655 [2020-12-23 04:43:29,640 INFO L226 Difference]: Without dead ends: 13493 [2020-12-23 04:43:29,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 04:43:29,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states. [2020-12-23 04:43:29,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 13493. [2020-12-23 04:43:29,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13493 states. [2020-12-23 04:43:29,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 13814 transitions. [2020-12-23 04:43:29,795 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 13814 transitions. Word has length 1410 [2020-12-23 04:43:29,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:43:29,796 INFO L481 AbstractCegarLoop]: Abstraction has 13493 states and 13814 transitions. [2020-12-23 04:43:29,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:43:29,796 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 13814 transitions. [2020-12-23 04:43:29,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1649 [2020-12-23 04:43:29,826 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:43:29,830 INFO L422 BasicCegarLoop]: trace histogram [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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:43:29,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 04:43:29,830 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:43:29,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:43:29,831 INFO L82 PathProgramCache]: Analyzing trace with hash -461133012, now seen corresponding path program 1 times [2020-12-23 04:43:29,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:43:29,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71488462] [2020-12-23 04:43:29,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:43:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:43:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5122 backedges. 1875 proven. 1384 refuted. 0 times theorem prover too weak. 1863 trivial. 0 not checked. [2020-12-23 04:43:33,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71488462] [2020-12-23 04:43:33,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381487167] [2020-12-23 04:43:33,955 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 04:43:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:43:34,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 1928 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:43:34,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:43:37,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5122 backedges. 2842 proven. 0 refuted. 0 times theorem prover too weak. 2280 trivial. 0 not checked. [2020-12-23 04:43:37,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:43:37,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-12-23 04:43:37,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606435560] [2020-12-23 04:43:37,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:43:37,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:43:37,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:43:37,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:43:37,821 INFO L87 Difference]: Start difference. First operand 13493 states and 13814 transitions. Second operand 3 states. [2020-12-23 04:43:39,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:43:39,372 INFO L93 Difference]: Finished difference Result 26326 states and 26961 transitions. [2020-12-23 04:43:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:43:39,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1648 [2020-12-23 04:43:39,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:43:39,385 INFO L225 Difference]: With dead ends: 26326 [2020-12-23 04:43:39,385 INFO L226 Difference]: Without dead ends: 13493 [2020-12-23 04:43:39,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1652 GetRequests, 1648 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 04:43:39,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states. [2020-12-23 04:43:39,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 12177. [2020-12-23 04:43:39,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12177 states. [2020-12-23 04:43:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12177 states to 12177 states and 12437 transitions. [2020-12-23 04:43:39,519 INFO L78 Accepts]: Start accepts. Automaton has 12177 states and 12437 transitions. Word has length 1648 [2020-12-23 04:43:39,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:43:39,520 INFO L481 AbstractCegarLoop]: Abstraction has 12177 states and 12437 transitions. [2020-12-23 04:43:39,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:43:39,521 INFO L276 IsEmpty]: Start isEmpty. Operand 12177 states and 12437 transitions. [2020-12-23 04:43:39,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1739 [2020-12-23 04:43:39,547 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:43:39,548 INFO L422 BasicCegarLoop]: trace histogram [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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 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 04:43:39,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-23 04:43:39,749 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:43:39,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:43:39,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1627276631, now seen corresponding path program 1 times [2020-12-23 04:43:39,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:43:39,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572519711] [2020-12-23 04:43:39,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:43:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:43:43,880 INFO L134 CoverageAnalysis]: Checked inductivity of 5172 backedges. 3978 proven. 111 refuted. 0 times theorem prover too weak. 1083 trivial. 0 not checked. [2020-12-23 04:43:43,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572519711] [2020-12-23 04:43:43,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129001841] [2020-12-23 04:43:43,881 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 04:43:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:43:44,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 2027 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-23 04:43:44,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:43:49,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5172 backedges. 2316 proven. 201 refuted. 0 times theorem prover too weak. 2655 trivial. 0 not checked. [2020-12-23 04:43:49,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 04:43:49,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3] total 9 [2020-12-23 04:43:49,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994385684] [2020-12-23 04:43:49,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 04:43:49,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:43:49,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 04:43:49,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-23 04:43:49,290 INFO L87 Difference]: Start difference. First operand 12177 states and 12437 transitions. Second operand 9 states. [2020-12-23 04:43:57,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:43:57,978 INFO L93 Difference]: Finished difference Result 24444 states and 24978 transitions. [2020-12-23 04:43:57,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 04:43:57,979 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1738 [2020-12-23 04:43:57,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:43:58,018 INFO L225 Difference]: With dead ends: 24444 [2020-12-23 04:43:58,018 INFO L226 Difference]: Without dead ends: 12927 [2020-12-23 04:43:58,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1754 GetRequests, 1741 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-12-23 04:43:58,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12927 states. [2020-12-23 04:43:58,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12927 to 12506. [2020-12-23 04:43:58,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12506 states. [2020-12-23 04:43:58,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 12744 transitions. [2020-12-23 04:43:58,253 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 12744 transitions. Word has length 1738 [2020-12-23 04:43:58,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:43:58,254 INFO L481 AbstractCegarLoop]: Abstraction has 12506 states and 12744 transitions. [2020-12-23 04:43:58,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 04:43:58,254 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 12744 transitions. [2020-12-23 04:43:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1939 [2020-12-23 04:43:58,293 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:43:58,295 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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] [2020-12-23 04:43:58,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:43:58,508 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:43:58,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:43:58,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1291563803, now seen corresponding path program 1 times [2020-12-23 04:43:58,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:43:58,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055860238] [2020-12-23 04:43:58,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:43:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:44:02,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6650 backedges. 2505 proven. 156 refuted. 0 times theorem prover too weak. 3989 trivial. 0 not checked. [2020-12-23 04:44:02,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055860238] [2020-12-23 04:44:02,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466407701] [2020-12-23 04:44:02,401 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 04:44:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:44:03,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 2251 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 04:44:03,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:44:06,824 INFO L134 CoverageAnalysis]: Checked inductivity of 6650 backedges. 2661 proven. 0 refuted. 0 times theorem prover too weak. 3989 trivial. 0 not checked. [2020-12-23 04:44:06,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:44:06,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-23 04:44:06,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674884805] [2020-12-23 04:44:06,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:44:06,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:44:06,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:44:06,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:44:06,827 INFO L87 Difference]: Start difference. First operand 12506 states and 12744 transitions. Second operand 3 states. [2020-12-23 04:44:08,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:44:08,587 INFO L93 Difference]: Finished difference Result 26326 states and 26848 transitions. [2020-12-23 04:44:08,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:44:08,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1938 [2020-12-23 04:44:08,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:44:08,622 INFO L225 Difference]: With dead ends: 26326 [2020-12-23 04:44:08,623 INFO L226 Difference]: Without dead ends: 14480 [2020-12-23 04:44:08,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1942 GetRequests, 1937 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 04:44:08,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2020-12-23 04:44:08,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 13493. [2020-12-23 04:44:08,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13493 states. [2020-12-23 04:44:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 13737 transitions. [2020-12-23 04:44:08,804 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 13737 transitions. Word has length 1938 [2020-12-23 04:44:08,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:44:08,806 INFO L481 AbstractCegarLoop]: Abstraction has 13493 states and 13737 transitions. [2020-12-23 04:44:08,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:44:08,809 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 13737 transitions. [2020-12-23 04:44:08,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2002 [2020-12-23 04:44:08,856 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:44:08,857 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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] [2020-12-23 04:44:09,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:44:09,073 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:44:09,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:44:09,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1992641842, now seen corresponding path program 1 times [2020-12-23 04:44:09,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:44:09,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565018610] [2020-12-23 04:44:09,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:44:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:44:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 6968 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 6879 trivial. 0 not checked. [2020-12-23 04:44:11,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565018610] [2020-12-23 04:44:11,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:44:11,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:44:11,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334938375] [2020-12-23 04:44:11,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:44:11,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:44:11,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:44:11,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:44:11,493 INFO L87 Difference]: Start difference. First operand 13493 states and 13737 transitions. Second operand 3 states. [2020-12-23 04:44:13,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:44:13,217 INFO L93 Difference]: Finished difference Result 30932 states and 31505 transitions. [2020-12-23 04:44:13,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:44:13,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2001 [2020-12-23 04:44:13,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:44:13,240 INFO L225 Difference]: With dead ends: 30932 [2020-12-23 04:44:13,240 INFO L226 Difference]: Without dead ends: 17441 [2020-12-23 04:44:13,250 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 04:44:13,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2020-12-23 04:44:13,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 14480. [2020-12-23 04:44:13,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14480 states. [2020-12-23 04:44:13,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14757 transitions. [2020-12-23 04:44:13,487 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14757 transitions. Word has length 2001 [2020-12-23 04:44:13,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:44:13,488 INFO L481 AbstractCegarLoop]: Abstraction has 14480 states and 14757 transitions. [2020-12-23 04:44:13,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:44:13,488 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14757 transitions. [2020-12-23 04:44:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2205 [2020-12-23 04:44:13,534 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:44:13,535 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:13,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 04:44:13,535 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:44:13,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:44:13,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1282710524, now seen corresponding path program 1 times [2020-12-23 04:44:13,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:44:13,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887213527] [2020-12-23 04:44:13,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:44:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:44:20,209 INFO L134 CoverageAnalysis]: Checked inductivity of 8476 backedges. 4897 proven. 1840 refuted. 0 times theorem prover too weak. 1739 trivial. 0 not checked. [2020-12-23 04:44:20,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887213527] [2020-12-23 04:44:20,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208176994] [2020-12-23 04:44:20,210 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 04:44:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:44:20,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 2556 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:44:20,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:44:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 8476 backedges. 5132 proven. 0 refuted. 0 times theorem prover too weak. 3344 trivial. 0 not checked. [2020-12-23 04:44:24,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:44:24,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-12-23 04:44:24,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988568016] [2020-12-23 04:44:24,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:44:24,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:44:24,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:44:24,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:44:24,937 INFO L87 Difference]: Start difference. First operand 14480 states and 14757 transitions. Second operand 3 states. [2020-12-23 04:44:26,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:44:26,476 INFO L93 Difference]: Finished difference Result 29945 states and 30549 transitions. [2020-12-23 04:44:26,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:44:26,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2204 [2020-12-23 04:44:26,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:44:26,495 INFO L225 Difference]: With dead ends: 29945 [2020-12-23 04:44:26,496 INFO L226 Difference]: Without dead ends: 15796 [2020-12-23 04:44:26,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2211 GetRequests, 2207 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:44:26,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2020-12-23 04:44:26,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15467. [2020-12-23 04:44:26,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15467 states. [2020-12-23 04:44:26,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15766 transitions. [2020-12-23 04:44:26,661 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15766 transitions. Word has length 2204 [2020-12-23 04:44:26,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:44:26,662 INFO L481 AbstractCegarLoop]: Abstraction has 15467 states and 15766 transitions. [2020-12-23 04:44:26,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:44:26,662 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15766 transitions. [2020-12-23 04:44:26,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2272 [2020-12-23 04:44:26,712 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:44:26,713 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:26,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-12-23 04:44:26,927 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:44:26,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:44:26,930 INFO L82 PathProgramCache]: Analyzing trace with hash 156278496, now seen corresponding path program 1 times [2020-12-23 04:44:26,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:44:26,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747945313] [2020-12-23 04:44:26,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:44:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:44:33,286 INFO L134 CoverageAnalysis]: Checked inductivity of 9220 backedges. 5309 proven. 1581 refuted. 0 times theorem prover too weak. 2330 trivial. 0 not checked. [2020-12-23 04:44:33,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747945313] [2020-12-23 04:44:33,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371393889] [2020-12-23 04:44:33,287 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 04:44:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:44:34,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 2645 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 04:44:34,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:44:38,091 INFO L134 CoverageAnalysis]: Checked inductivity of 9220 backedges. 5285 proven. 0 refuted. 0 times theorem prover too weak. 3935 trivial. 0 not checked. [2020-12-23 04:44:38,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:44:38,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-12-23 04:44:38,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093787365] [2020-12-23 04:44:38,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:44:38,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:44:38,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:44:38,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:44:38,094 INFO L87 Difference]: Start difference. First operand 15467 states and 15766 transitions. Second operand 3 states. [2020-12-23 04:44:39,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:44:39,641 INFO L93 Difference]: Finished difference Result 31261 states and 31874 transitions. [2020-12-23 04:44:39,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:44:39,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2271 [2020-12-23 04:44:39,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:44:39,656 INFO L225 Difference]: With dead ends: 31261 [2020-12-23 04:44:39,656 INFO L226 Difference]: Without dead ends: 16125 [2020-12-23 04:44:39,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2276 GetRequests, 2272 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 04:44:39,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2020-12-23 04:44:39,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15796. [2020-12-23 04:44:39,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15796 states. [2020-12-23 04:44:39,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16098 transitions. [2020-12-23 04:44:39,905 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16098 transitions. Word has length 2271 [2020-12-23 04:44:39,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:44:39,906 INFO L481 AbstractCegarLoop]: Abstraction has 15796 states and 16098 transitions. [2020-12-23 04:44:39,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:44:39,906 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16098 transitions. [2020-12-23 04:44:39,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2414 [2020-12-23 04:44:39,944 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:44:39,945 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:40,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:44:40,159 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:44:40,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:44:40,161 INFO L82 PathProgramCache]: Analyzing trace with hash 698553283, now seen corresponding path program 1 times [2020-12-23 04:44:40,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:44:40,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658534800] [2020-12-23 04:44:40,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:44:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:44:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 10380 backedges. 6026 proven. 2148 refuted. 0 times theorem prover too weak. 2206 trivial. 0 not checked. [2020-12-23 04:44:48,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658534800] [2020-12-23 04:44:48,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600855316] [2020-12-23 04:44:48,460 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 04:44:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:44:49,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 2791 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 04:44:49,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:44:53,530 INFO L134 CoverageAnalysis]: Checked inductivity of 10380 backedges. 6447 proven. 0 refuted. 0 times theorem prover too weak. 3933 trivial. 0 not checked. [2020-12-23 04:44:53,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:44:53,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-12-23 04:44:53,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010782938] [2020-12-23 04:44:53,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:44:53,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:44:53,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:44:53,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-12-23 04:44:53,533 INFO L87 Difference]: Start difference. First operand 15796 states and 16098 transitions. Second operand 3 states. [2020-12-23 04:44:55,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:44:55,078 INFO L93 Difference]: Finished difference Result 31590 states and 32199 transitions. [2020-12-23 04:44:55,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:44:55,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2413 [2020-12-23 04:44:55,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:44:55,093 INFO L225 Difference]: With dead ends: 31590 [2020-12-23 04:44:55,093 INFO L226 Difference]: Without dead ends: 16125 [2020-12-23 04:44:55,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2420 GetRequests, 2414 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-12-23 04:44:55,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2020-12-23 04:44:55,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15796. [2020-12-23 04:44:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15796 states. [2020-12-23 04:44:55,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16076 transitions. [2020-12-23 04:44:55,288 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16076 transitions. Word has length 2413 [2020-12-23 04:44:55,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:44:55,289 INFO L481 AbstractCegarLoop]: Abstraction has 15796 states and 16076 transitions. [2020-12-23 04:44:55,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:44:55,289 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16076 transitions. [2020-12-23 04:44:55,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2485 [2020-12-23 04:44:55,338 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:44:55,339 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 6, 6, 6, 6, 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, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:55,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:44:55,540 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:44:55,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:44:55,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1061713773, now seen corresponding path program 1 times [2020-12-23 04:44:55,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:44:55,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962264097] [2020-12-23 04:44:55,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:44:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:45:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 10630 backedges. 5167 proven. 1035 refuted. 0 times theorem prover too weak. 4428 trivial. 0 not checked. [2020-12-23 04:45:02,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962264097] [2020-12-23 04:45:02,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568198534] [2020-12-23 04:45:02,900 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 04:45:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:45:03,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 2858 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 04:45:03,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:45:08,192 INFO L134 CoverageAnalysis]: Checked inductivity of 10630 backedges. 5493 proven. 0 refuted. 0 times theorem prover too weak. 5137 trivial. 0 not checked. [2020-12-23 04:45:08,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:45:08,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2020-12-23 04:45:08,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030981276] [2020-12-23 04:45:08,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:45:08,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:45:08,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:45:08,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-23 04:45:08,195 INFO L87 Difference]: Start difference. First operand 15796 states and 16076 transitions. Second operand 3 states. [2020-12-23 04:45:10,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:45:10,052 INFO L93 Difference]: Finished difference Result 33564 states and 34178 transitions. [2020-12-23 04:45:10,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:45:10,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2484 [2020-12-23 04:45:10,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:45:10,070 INFO L225 Difference]: With dead ends: 33564 [2020-12-23 04:45:10,070 INFO L226 Difference]: Without dead ends: 18099 [2020-12-23 04:45:10,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2492 GetRequests, 2485 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 04:45:10,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18099 states. [2020-12-23 04:45:10,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18099 to 18099. [2020-12-23 04:45:10,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18099 states. [2020-12-23 04:45:10,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18099 states to 18099 states and 18403 transitions. [2020-12-23 04:45:10,241 INFO L78 Accepts]: Start accepts. Automaton has 18099 states and 18403 transitions. Word has length 2484 [2020-12-23 04:45:10,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:45:10,242 INFO L481 AbstractCegarLoop]: Abstraction has 18099 states and 18403 transitions. [2020-12-23 04:45:10,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:45:10,242 INFO L276 IsEmpty]: Start isEmpty. Operand 18099 states and 18403 transitions. [2020-12-23 04:45:10,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2547 [2020-12-23 04:45:10,283 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:45:10,285 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-12-23 04:45:10,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-12-23 04:45:10,495 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:45:10,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:45:10,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1509944750, now seen corresponding path program 1 times [2020-12-23 04:45:10,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:45:10,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861379930] [2020-12-23 04:45:10,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:45:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:45:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 11292 backedges. 5468 proven. 567 refuted. 0 times theorem prover too weak. 5257 trivial. 0 not checked. [2020-12-23 04:45:17,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861379930] [2020-12-23 04:45:17,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985297242] [2020-12-23 04:45:17,614 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 04:45:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:45:18,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 2919 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:45:18,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:45:22,378 INFO L134 CoverageAnalysis]: Checked inductivity of 11292 backedges. 5566 proven. 0 refuted. 0 times theorem prover too weak. 5726 trivial. 0 not checked. [2020-12-23 04:45:22,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:45:22,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-12-23 04:45:22,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848441557] [2020-12-23 04:45:22,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:45:22,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:45:22,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:45:22,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:45:22,382 INFO L87 Difference]: Start difference. First operand 18099 states and 18403 transitions. Second operand 3 states. [2020-12-23 04:45:24,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:45:24,047 INFO L93 Difference]: Finished difference Result 35867 states and 36473 transitions. [2020-12-23 04:45:24,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:45:24,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2546 [2020-12-23 04:45:24,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:45:24,062 INFO L225 Difference]: With dead ends: 35867 [2020-12-23 04:45:24,063 INFO L226 Difference]: Without dead ends: 18099 [2020-12-23 04:45:24,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2551 GetRequests, 2547 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 04:45:24,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18099 states. [2020-12-23 04:45:24,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18099 to 18099. [2020-12-23 04:45:24,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18099 states. [2020-12-23 04:45:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18099 states to 18099 states and 18386 transitions. [2020-12-23 04:45:24,251 INFO L78 Accepts]: Start accepts. Automaton has 18099 states and 18386 transitions. Word has length 2546 [2020-12-23 04:45:24,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:45:24,252 INFO L481 AbstractCegarLoop]: Abstraction has 18099 states and 18386 transitions. [2020-12-23 04:45:24,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:45:24,252 INFO L276 IsEmpty]: Start isEmpty. Operand 18099 states and 18386 transitions. [2020-12-23 04:45:24,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2578 [2020-12-23 04:45:24,313 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:45:24,315 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-12-23 04:45:24,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2020-12-23 04:45:24,516 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:45:24,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:45:24,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1723553649, now seen corresponding path program 1 times [2020-12-23 04:45:24,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:45:24,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532422668] [2020-12-23 04:45:24,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:45:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:45:32,139 INFO L134 CoverageAnalysis]: Checked inductivity of 11457 backedges. 5380 proven. 1128 refuted. 0 times theorem prover too weak. 4949 trivial. 0 not checked. [2020-12-23 04:45:32,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532422668] [2020-12-23 04:45:32,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513872358] [2020-12-23 04:45:32,140 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:45:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:45:32,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 2951 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 04:45:32,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:45:34,353 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 04:45:39,730 INFO L134 CoverageAnalysis]: Checked inductivity of 11457 backedges. 7451 proven. 250 refuted. 0 times theorem prover too weak. 3756 trivial. 0 not checked. [2020-12-23 04:45:39,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 04:45:39,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2020-12-23 04:45:39,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372207567] [2020-12-23 04:45:39,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 04:45:39,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:45:39,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 04:45:39,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-12-23 04:45:39,735 INFO L87 Difference]: Start difference. First operand 18099 states and 18386 transitions. Second operand 10 states. [2020-12-23 04:45:53,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:45:53,402 INFO L93 Difference]: Finished difference Result 48653 states and 49419 transitions. [2020-12-23 04:45:53,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-12-23 04:45:53,402 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 2577 [2020-12-23 04:45:53,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:45:53,430 INFO L225 Difference]: With dead ends: 48653 [2020-12-23 04:45:53,430 INFO L226 Difference]: Without dead ends: 30885 [2020-12-23 04:45:53,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2613 GetRequests, 2588 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 04:45:53,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30885 states. [2020-12-23 04:45:53,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30885 to 19415. [2020-12-23 04:45:53,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19415 states. [2020-12-23 04:45:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19415 states to 19415 states and 19714 transitions. [2020-12-23 04:45:53,654 INFO L78 Accepts]: Start accepts. Automaton has 19415 states and 19714 transitions. Word has length 2577 [2020-12-23 04:45:53,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:45:53,655 INFO L481 AbstractCegarLoop]: Abstraction has 19415 states and 19714 transitions. [2020-12-23 04:45:53,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 04:45:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 19415 states and 19714 transitions. [2020-12-23 04:45:53,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2595 [2020-12-23 04:45:53,754 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:45:53,756 INFO L422 BasicCegarLoop]: trace histogram [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, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 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, 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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] [2020-12-23 04:45:53,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2020-12-23 04:45:53,957 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:45:53,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:45:53,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1640457053, now seen corresponding path program 1 times [2020-12-23 04:45:53,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:45:53,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381573093] [2020-12-23 04:45:53,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:45:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:46:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 12052 backedges. 4820 proven. 258 refuted. 0 times theorem prover too weak. 6974 trivial. 0 not checked. [2020-12-23 04:46:00,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381573093] [2020-12-23 04:46:00,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120522665] [2020-12-23 04:46:00,040 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:46:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:46:00,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 3010 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 04:46:00,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:46:05,320 INFO L134 CoverageAnalysis]: Checked inductivity of 12052 backedges. 4983 proven. 0 refuted. 0 times theorem prover too weak. 7069 trivial. 0 not checked. [2020-12-23 04:46:05,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:46:05,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-23 04:46:05,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166854659] [2020-12-23 04:46:05,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:46:05,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:46:05,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:46:05,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:46:05,324 INFO L87 Difference]: Start difference. First operand 19415 states and 19714 transitions. Second operand 3 states. [2020-12-23 04:46:07,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:46:07,029 INFO L93 Difference]: Finished difference Result 38499 states and 39095 transitions. [2020-12-23 04:46:07,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:46:07,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2594 [2020-12-23 04:46:07,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:46:07,049 INFO L225 Difference]: With dead ends: 38499 [2020-12-23 04:46:07,049 INFO L226 Difference]: Without dead ends: 19415 [2020-12-23 04:46:07,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2598 GetRequests, 2593 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:46:07,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19415 states. [2020-12-23 04:46:07,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19415 to 19086. [2020-12-23 04:46:07,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19086 states. [2020-12-23 04:46:07,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19086 states to 19086 states and 19361 transitions. [2020-12-23 04:46:07,225 INFO L78 Accepts]: Start accepts. Automaton has 19086 states and 19361 transitions. Word has length 2594 [2020-12-23 04:46:07,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:46:07,226 INFO L481 AbstractCegarLoop]: Abstraction has 19086 states and 19361 transitions. [2020-12-23 04:46:07,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:46:07,226 INFO L276 IsEmpty]: Start isEmpty. Operand 19086 states and 19361 transitions. [2020-12-23 04:46:07,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2617 [2020-12-23 04:46:07,271 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:46:07,272 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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, 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, 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 04:46:07,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-12-23 04:46:07,473 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:46:07,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:46:07,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1452135434, now seen corresponding path program 1 times [2020-12-23 04:46:07,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:46:07,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974804876] [2020-12-23 04:46:07,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:46:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:46:11,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12493 backedges. 7064 proven. 0 refuted. 0 times theorem prover too weak. 5429 trivial. 0 not checked. [2020-12-23 04:46:11,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974804876] [2020-12-23 04:46:11,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:46:11,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 04:46:11,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314928282] [2020-12-23 04:46:11,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:46:11,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:46:11,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:46:11,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:46:11,600 INFO L87 Difference]: Start difference. First operand 19086 states and 19361 transitions. Second operand 4 states.