/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/Problem01_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:50:48,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:50:48,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:50:48,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:50:48,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:50:48,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:50:48,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:50:48,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:50:48,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:50:48,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:50:48,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:50:48,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:50:48,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:50:48,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:50:48,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:50:48,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:50:48,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:50:48,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:50:48,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:50:48,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:50:48,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:50:48,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:50:48,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:50:48,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:50:48,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 01:50:48,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 01:50:48,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 01:50:48,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 01:50:48,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 01:50:48,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 01:50:48,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 01:50:48,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 01:50:48,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 01:50:48,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 01:50:48,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 01:50:48,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 01:50:48,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 01:50:48,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 01:50:48,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:50:48,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:50:48,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:50:48,282 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 01:50:48,336 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:50:48,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:50:48,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:50:48,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:50:48,340 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:50:48,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:50:48,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:50:48,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:50:48,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:50:48,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:50:48,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:50:48,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:50:48,344 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:50:48,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:50:48,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:50:48,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:50:48,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:50:48,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:50:48,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:50:48,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:50:48,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:50:48,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:50:48,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:50:48,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:50:48,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:50:48,347 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:50:48,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:50:48,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:50:48,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:50:48,896 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:50:48,896 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:50:48,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label05.c [2020-12-23 01:50:49,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4479c68e4/48ee40344db64225bb5c633fbe8afa6d/FLAG315ea3abf [2020-12-23 01:50:49,715 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:50:49,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label05.c [2020-12-23 01:50:49,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4479c68e4/48ee40344db64225bb5c633fbe8afa6d/FLAG315ea3abf [2020-12-23 01:50:49,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4479c68e4/48ee40344db64225bb5c633fbe8afa6d [2020-12-23 01:50:49,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:50:49,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:50:49,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:50:49,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:50:49,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:50:49,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:50:49" (1/1) ... [2020-12-23 01:50:49,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8bd7bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:49, skipping insertion in model container [2020-12-23 01:50:49,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:50:49" (1/1) ... [2020-12-23 01:50:49,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:50:50,000 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] [2020-12-23 01:50:50,385 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/Problem01_label05.c[17240,17253] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:50:50,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:50:50,450 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] [2020-12-23 01:50:50,629 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/Problem01_label05.c[17240,17253] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:50:50,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:50:50,669 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:50:50,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:50 WrapperNode [2020-12-23 01:50:50,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:50:50,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:50:50,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:50:50,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:50:50,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:50" (1/1) ... [2020-12-23 01:50:50,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:50" (1/1) ... [2020-12-23 01:50:50,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:50:50,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:50:50,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:50:50,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:50:50,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:50" (1/1) ... [2020-12-23 01:50:50,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:50" (1/1) ... [2020-12-23 01:50:50,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:50" (1/1) ... [2020-12-23 01:50:50,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:50" (1/1) ... [2020-12-23 01:50:50,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:50" (1/1) ... [2020-12-23 01:50:50,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:50" (1/1) ... [2020-12-23 01:50:50,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:50" (1/1) ... [2020-12-23 01:50:50,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:50:50,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:50:50,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:50:50,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:50:50,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:50" (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 01:50:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:50:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:50:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:50:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:50:52,314 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:50:52,314 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 01:50:52,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:50:52 BoogieIcfgContainer [2020-12-23 01:50:52,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:50:52,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:50:52,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:50:52,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:50:52,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:50:49" (1/3) ... [2020-12-23 01:50:52,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d16ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:50:52, skipping insertion in model container [2020-12-23 01:50:52,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:50" (2/3) ... [2020-12-23 01:50:52,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d16ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:50:52, skipping insertion in model container [2020-12-23 01:50:52,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:50:52" (3/3) ... [2020-12-23 01:50:52,326 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2020-12-23 01:50:52,333 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:50:52,338 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:50:52,359 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:50:52,398 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:50:52,398 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:50:52,398 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:50:52,398 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:50:52,399 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:50:52,399 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:50:52,399 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:50:52,399 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:50:52,420 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-12-23 01:50:52,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 01:50:52,432 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:52,433 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:52,434 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:52,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:52,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1877985287, now seen corresponding path program 1 times [2020-12-23 01:50:52,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:52,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636454784] [2020-12-23 01:50:52,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:52,995 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 01:50:52,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636454784] [2020-12-23 01:50:52,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:52,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:52,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570541446] [2020-12-23 01:50:53,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:53,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:53,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:53,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:53,022 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2020-12-23 01:50:53,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:53,824 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2020-12-23 01:50:53,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:53,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-12-23 01:50:53,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:53,845 INFO L225 Difference]: With dead ends: 528 [2020-12-23 01:50:53,846 INFO L226 Difference]: Without dead ends: 266 [2020-12-23 01:50:53,851 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 01:50:53,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-12-23 01:50:53,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-12-23 01:50:53,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-12-23 01:50:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-12-23 01:50:53,947 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 94 [2020-12-23 01:50:53,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:53,949 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-12-23 01:50:53,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:53,949 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-12-23 01:50:53,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 01:50:53,961 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:53,962 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 01:50:53,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:50:53,963 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:53,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:53,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1993122394, now seen corresponding path program 1 times [2020-12-23 01:50:53,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:53,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305746593] [2020-12-23 01:50:53,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:50:54,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305746593] [2020-12-23 01:50:54,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:54,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:54,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495704113] [2020-12-23 01:50:54,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:54,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:54,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:54,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:54,101 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-12-23 01:50:54,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:54,689 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2020-12-23 01:50:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:54,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-12-23 01:50:54,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:54,699 INFO L225 Difference]: With dead ends: 792 [2020-12-23 01:50:54,699 INFO L226 Difference]: Without dead ends: 528 [2020-12-23 01:50:54,705 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 01:50:54,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-12-23 01:50:54,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-12-23 01:50:54,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-12-23 01:50:54,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 708 transitions. [2020-12-23 01:50:54,744 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 708 transitions. Word has length 100 [2020-12-23 01:50:54,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:54,744 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 708 transitions. [2020-12-23 01:50:54,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:54,745 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 708 transitions. [2020-12-23 01:50:54,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-12-23 01:50:54,750 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:54,751 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:50:54,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:50:54,751 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:54,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:54,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1582856459, now seen corresponding path program 1 times [2020-12-23 01:50:54,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:54,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984386538] [2020-12-23 01:50:54,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:50:54,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984386538] [2020-12-23 01:50:54,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:54,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:50:54,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470130567] [2020-12-23 01:50:54,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 01:50:54,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:54,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 01:50:54,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:50:54,932 INFO L87 Difference]: Start difference. First operand 528 states and 708 transitions. Second operand 4 states. [2020-12-23 01:50:55,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:55,855 INFO L93 Difference]: Finished difference Result 1316 states and 1742 transitions. [2020-12-23 01:50:55,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 01:50:55,857 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2020-12-23 01:50:55,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:55,862 INFO L225 Difference]: With dead ends: 1316 [2020-12-23 01:50:55,862 INFO L226 Difference]: Without dead ends: 790 [2020-12-23 01:50:55,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:50:55,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-12-23 01:50:55,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2020-12-23 01:50:55,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-12-23 01:50:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1000 transitions. [2020-12-23 01:50:55,892 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1000 transitions. Word has length 128 [2020-12-23 01:50:55,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:55,893 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 1000 transitions. [2020-12-23 01:50:55,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 01:50:55,893 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1000 transitions. [2020-12-23 01:50:55,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-23 01:50:55,897 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:55,897 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:50:55,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 01:50:55,897 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:55,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:55,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1972306369, now seen corresponding path program 1 times [2020-12-23 01:50:55,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:55,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478482680] [2020-12-23 01:50:55,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:55,989 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-23 01:50:55,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478482680] [2020-12-23 01:50:55,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:55,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:55,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540038766] [2020-12-23 01:50:55,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:55,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:55,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:55,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:55,993 INFO L87 Difference]: Start difference. First operand 790 states and 1000 transitions. Second operand 3 states. [2020-12-23 01:50:56,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:56,552 INFO L93 Difference]: Finished difference Result 1840 states and 2320 transitions. [2020-12-23 01:50:56,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:56,553 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-12-23 01:50:56,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:56,559 INFO L225 Difference]: With dead ends: 1840 [2020-12-23 01:50:56,560 INFO L226 Difference]: Without dead ends: 1052 [2020-12-23 01:50:56,561 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 01:50:56,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-12-23 01:50:56,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 790. [2020-12-23 01:50:56,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-12-23 01:50:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 988 transitions. [2020-12-23 01:50:56,588 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 988 transitions. Word has length 132 [2020-12-23 01:50:56,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:56,588 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 988 transitions. [2020-12-23 01:50:56,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:56,588 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 988 transitions. [2020-12-23 01:50:56,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-23 01:50:56,592 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:56,592 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:50:56,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 01:50:56,593 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:56,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:56,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1940653961, now seen corresponding path program 1 times [2020-12-23 01:50:56,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:56,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754891256] [2020-12-23 01:50:56,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:56,677 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-23 01:50:56,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754891256] [2020-12-23 01:50:56,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:56,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:56,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540460570] [2020-12-23 01:50:56,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:56,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:56,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:56,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:56,681 INFO L87 Difference]: Start difference. First operand 790 states and 988 transitions. Second operand 3 states. [2020-12-23 01:50:57,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:57,272 INFO L93 Difference]: Finished difference Result 1971 states and 2439 transitions. [2020-12-23 01:50:57,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:57,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-12-23 01:50:57,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:57,279 INFO L225 Difference]: With dead ends: 1971 [2020-12-23 01:50:57,279 INFO L226 Difference]: Without dead ends: 1052 [2020-12-23 01:50:57,282 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 01:50:57,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-12-23 01:50:57,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2020-12-23 01:50:57,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-12-23 01:50:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1192 transitions. [2020-12-23 01:50:57,312 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1192 transitions. Word has length 136 [2020-12-23 01:50:57,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:57,312 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1192 transitions. [2020-12-23 01:50:57,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:57,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1192 transitions. [2020-12-23 01:50:57,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-23 01:50:57,317 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:57,317 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2020-12-23 01:50:57,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 01:50:57,318 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:57,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:57,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1280324437, now seen corresponding path program 1 times [2020-12-23 01:50:57,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:57,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282800230] [2020-12-23 01:50:57,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-12-23 01:50:57,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282800230] [2020-12-23 01:50:57,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:57,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:50:57,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509431044] [2020-12-23 01:50:57,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:57,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:57,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:57,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:57,394 INFO L87 Difference]: Start difference. First operand 1052 states and 1192 transitions. Second operand 3 states. [2020-12-23 01:50:57,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:57,922 INFO L93 Difference]: Finished difference Result 2757 states and 3121 transitions. [2020-12-23 01:50:57,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:57,923 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-12-23 01:50:57,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:57,931 INFO L225 Difference]: With dead ends: 2757 [2020-12-23 01:50:57,931 INFO L226 Difference]: Without dead ends: 1707 [2020-12-23 01:50:57,933 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 01:50:57,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2020-12-23 01:50:57,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1314. [2020-12-23 01:50:57,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-12-23 01:50:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1490 transitions. [2020-12-23 01:50:57,970 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1490 transitions. Word has length 145 [2020-12-23 01:50:57,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:57,970 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1490 transitions. [2020-12-23 01:50:57,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:57,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1490 transitions. [2020-12-23 01:50:57,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-12-23 01:50:57,975 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:57,975 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-12-23 01:50:57,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 01:50:57,976 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:57,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:57,976 INFO L82 PathProgramCache]: Analyzing trace with hash 592439003, now seen corresponding path program 1 times [2020-12-23 01:50:57,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:57,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714076902] [2020-12-23 01:50:57,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-12-23 01:50:58,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714076902] [2020-12-23 01:50:58,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:58,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:58,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113752573] [2020-12-23 01:50:58,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:58,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:58,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:58,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:58,067 INFO L87 Difference]: Start difference. First operand 1314 states and 1490 transitions. Second operand 3 states. [2020-12-23 01:50:58,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:58,723 INFO L93 Difference]: Finished difference Result 2888 states and 3281 transitions. [2020-12-23 01:50:58,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:58,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-12-23 01:50:58,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:58,735 INFO L225 Difference]: With dead ends: 2888 [2020-12-23 01:50:58,735 INFO L226 Difference]: Without dead ends: 1576 [2020-12-23 01:50:58,737 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 01:50:58,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2020-12-23 01:50:58,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2020-12-23 01:50:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2020-12-23 01:50:58,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1777 transitions. [2020-12-23 01:50:58,795 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1777 transitions. Word has length 161 [2020-12-23 01:50:58,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:58,796 INFO L481 AbstractCegarLoop]: Abstraction has 1576 states and 1777 transitions. [2020-12-23 01:50:58,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:58,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1777 transitions. [2020-12-23 01:50:58,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-12-23 01:50:58,805 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:58,806 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 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] [2020-12-23 01:50:58,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 01:50:58,806 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:58,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:58,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1123380219, now seen corresponding path program 1 times [2020-12-23 01:50:58,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:58,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332650423] [2020-12-23 01:50:58,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:58,978 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-12-23 01:50:58,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332650423] [2020-12-23 01:50:58,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564521955] [2020-12-23 01:50:58,979 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 01:50:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:59,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:50:59,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:50:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-23 01:50:59,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:50:59,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:50:59,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114616164] [2020-12-23 01:50:59,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:59,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:59,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:59,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:50:59,545 INFO L87 Difference]: Start difference. First operand 1576 states and 1777 transitions. Second operand 3 states. [2020-12-23 01:51:00,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:00,050 INFO L93 Difference]: Finished difference Result 3543 states and 4023 transitions. [2020-12-23 01:51:00,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:00,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2020-12-23 01:51:00,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:00,065 INFO L225 Difference]: With dead ends: 3543 [2020-12-23 01:51:00,065 INFO L226 Difference]: Without dead ends: 1969 [2020-12-23 01:51:00,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:00,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2020-12-23 01:51:00,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1838. [2020-12-23 01:51:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2020-12-23 01:51:00,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2057 transitions. [2020-12-23 01:51:00,119 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2057 transitions. Word has length 177 [2020-12-23 01:51:00,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:00,122 INFO L481 AbstractCegarLoop]: Abstraction has 1838 states and 2057 transitions. [2020-12-23 01:51:00,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:00,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2057 transitions. [2020-12-23 01:51:00,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-12-23 01:51:00,128 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:00,129 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 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] [2020-12-23 01:51:00,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-12-23 01:51:00,345 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:00,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:00,346 INFO L82 PathProgramCache]: Analyzing trace with hash 317184054, now seen corresponding path program 1 times [2020-12-23 01:51:00,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:00,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631703114] [2020-12-23 01:51:00,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:00,507 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-23 01:51:00,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631703114] [2020-12-23 01:51:00,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274758898] [2020-12-23 01:51:00,508 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 01:51:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:00,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:51:00,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:51:00,858 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-12-23 01:51:00,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:51:00,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:51:00,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212661142] [2020-12-23 01:51:00,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:00,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:00,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:00,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:00,861 INFO L87 Difference]: Start difference. First operand 1838 states and 2057 transitions. Second operand 3 states. [2020-12-23 01:51:01,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:01,419 INFO L93 Difference]: Finished difference Result 4198 states and 4722 transitions. [2020-12-23 01:51:01,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:01,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2020-12-23 01:51:01,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:01,448 INFO L225 Difference]: With dead ends: 4198 [2020-12-23 01:51:01,448 INFO L226 Difference]: Without dead ends: 2362 [2020-12-23 01:51:01,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:01,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-12-23 01:51:01,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2100. [2020-12-23 01:51:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2020-12-23 01:51:01,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2354 transitions. [2020-12-23 01:51:01,505 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2354 transitions. Word has length 183 [2020-12-23 01:51:01,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:01,506 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2354 transitions. [2020-12-23 01:51:01,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:01,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2354 transitions. [2020-12-23 01:51:01,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-12-23 01:51:01,512 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:01,512 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:51:01,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:51:01,728 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:01,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:01,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1566686570, now seen corresponding path program 1 times [2020-12-23 01:51:01,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:01,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65816876] [2020-12-23 01:51:01,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:01,906 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 108 proven. 3 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-12-23 01:51:01,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65816876] [2020-12-23 01:51:01,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005490821] [2020-12-23 01:51:01,907 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 01:51:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:02,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:51:02,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:51:02,249 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-23 01:51:02,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:51:02,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:51:02,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997441791] [2020-12-23 01:51:02,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:02,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:02,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:02,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:02,253 INFO L87 Difference]: Start difference. First operand 2100 states and 2354 transitions. Second operand 3 states. [2020-12-23 01:51:02,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:02,835 INFO L93 Difference]: Finished difference Result 4984 states and 5570 transitions. [2020-12-23 01:51:02,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:02,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-12-23 01:51:02,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:02,854 INFO L225 Difference]: With dead ends: 4984 [2020-12-23 01:51:02,855 INFO L226 Difference]: Without dead ends: 2886 [2020-12-23 01:51:02,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:02,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2020-12-23 01:51:02,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2755. [2020-12-23 01:51:02,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2755 states. [2020-12-23 01:51:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3057 transitions. [2020-12-23 01:51:02,941 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3057 transitions. Word has length 204 [2020-12-23 01:51:02,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:02,941 INFO L481 AbstractCegarLoop]: Abstraction has 2755 states and 3057 transitions. [2020-12-23 01:51:02,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:02,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3057 transitions. [2020-12-23 01:51:02,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-12-23 01:51:02,950 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:02,951 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 01:51:03,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 01:51:03,166 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:03,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:03,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1752541612, now seen corresponding path program 1 times [2020-12-23 01:51:03,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:03,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871012018] [2020-12-23 01:51:03,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:03,324 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-12-23 01:51:03,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871012018] [2020-12-23 01:51:03,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768471546] [2020-12-23 01:51:03,325 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 01:51:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:03,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:51:03,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:51:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-23 01:51:03,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:51:03,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:51:03,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913702282] [2020-12-23 01:51:03,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:03,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:03,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:03,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:03,676 INFO L87 Difference]: Start difference. First operand 2755 states and 3057 transitions. Second operand 3 states. [2020-12-23 01:51:04,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:04,112 INFO L93 Difference]: Finished difference Result 6032 states and 6689 transitions. [2020-12-23 01:51:04,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:04,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2020-12-23 01:51:04,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:04,131 INFO L225 Difference]: With dead ends: 6032 [2020-12-23 01:51:04,131 INFO L226 Difference]: Without dead ends: 3279 [2020-12-23 01:51:04,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:04,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2020-12-23 01:51:04,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 2755. [2020-12-23 01:51:04,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2755 states. [2020-12-23 01:51:04,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3057 transitions. [2020-12-23 01:51:04,201 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3057 transitions. Word has length 223 [2020-12-23 01:51:04,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:04,201 INFO L481 AbstractCegarLoop]: Abstraction has 2755 states and 3057 transitions. [2020-12-23 01:51:04,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:04,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3057 transitions. [2020-12-23 01:51:04,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-12-23 01:51:04,208 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:04,209 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:51:04,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:51:04,424 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:04,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:04,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1072116722, now seen corresponding path program 1 times [2020-12-23 01:51:04,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:04,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147269527] [2020-12-23 01:51:04,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:04,599 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 127 proven. 3 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2020-12-23 01:51:04,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147269527] [2020-12-23 01:51:04,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502131015] [2020-12-23 01:51:04,600 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 01:51:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:04,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 01:51:04,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:51:05,026 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-12-23 01:51:05,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:51:05,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:51:05,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006443419] [2020-12-23 01:51:05,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:05,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:05,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:05,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:05,037 INFO L87 Difference]: Start difference. First operand 2755 states and 3057 transitions. Second operand 3 states. [2020-12-23 01:51:05,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:05,563 INFO L93 Difference]: Finished difference Result 4851 states and 5346 transitions. [2020-12-23 01:51:05,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:05,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2020-12-23 01:51:05,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:05,564 INFO L225 Difference]: With dead ends: 4851 [2020-12-23 01:51:05,565 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 01:51:05,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:05,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 01:51:05,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 01:51:05,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 01:51:05,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 01:51:05,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 235 [2020-12-23 01:51:05,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:05,571 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 01:51:05,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:05,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 01:51:05,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 01:51:05,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 01:51:05,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 01:51:06,104 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-12-23 01:51:06,284 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-12-23 01:51:06,288 INFO L189 CegarLoopUtils]: For program point L564(line 564) no Hoare annotation was computed. [2020-12-23 01:51:06,289 INFO L189 CegarLoopUtils]: For program point L531(line 531) no Hoare annotation was computed. [2020-12-23 01:51:06,289 INFO L189 CegarLoopUtils]: For program point L498(line 498) no Hoare annotation was computed. [2020-12-23 01:51:06,289 INFO L189 CegarLoopUtils]: For program point L465(line 465) no Hoare annotation was computed. [2020-12-23 01:51:06,289 INFO L189 CegarLoopUtils]: For program point L432(line 432) no Hoare annotation was computed. [2020-12-23 01:51:06,289 INFO L189 CegarLoopUtils]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-12-23 01:51:06,289 INFO L189 CegarLoopUtils]: For program point L598(line 598) no Hoare annotation was computed. [2020-12-23 01:51:06,289 INFO L189 CegarLoopUtils]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-12-23 01:51:06,289 INFO L189 CegarLoopUtils]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,290 INFO L189 CegarLoopUtils]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,290 INFO L189 CegarLoopUtils]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,290 INFO L189 CegarLoopUtils]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,290 INFO L189 CegarLoopUtils]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-12-23 01:51:06,290 INFO L189 CegarLoopUtils]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,290 INFO L189 CegarLoopUtils]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,290 INFO L189 CegarLoopUtils]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-12-23 01:51:06,290 INFO L189 CegarLoopUtils]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-12-23 01:51:06,290 INFO L189 CegarLoopUtils]: For program point L567(line 567) no Hoare annotation was computed. [2020-12-23 01:51:06,291 INFO L189 CegarLoopUtils]: For program point L534(line 534) no Hoare annotation was computed. [2020-12-23 01:51:06,291 INFO L189 CegarLoopUtils]: For program point L501(line 501) no Hoare annotation was computed. [2020-12-23 01:51:06,291 INFO L189 CegarLoopUtils]: For program point L468(line 468) no Hoare annotation was computed. [2020-12-23 01:51:06,291 INFO L189 CegarLoopUtils]: For program point L435(line 435) no Hoare annotation was computed. [2020-12-23 01:51:06,291 INFO L189 CegarLoopUtils]: For program point L402(line 402) no Hoare annotation was computed. [2020-12-23 01:51:06,291 INFO L189 CegarLoopUtils]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-12-23 01:51:06,291 INFO L189 CegarLoopUtils]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-12-23 01:51:06,291 INFO L189 CegarLoopUtils]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-12-23 01:51:06,291 INFO L189 CegarLoopUtils]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-12-23 01:51:06,292 INFO L189 CegarLoopUtils]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,292 INFO L189 CegarLoopUtils]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,292 INFO L189 CegarLoopUtils]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,292 INFO L189 CegarLoopUtils]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,292 INFO L189 CegarLoopUtils]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,292 INFO L189 CegarLoopUtils]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-12-23 01:51:06,292 INFO L189 CegarLoopUtils]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,292 INFO L189 CegarLoopUtils]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-12-23 01:51:06,292 INFO L189 CegarLoopUtils]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-12-23 01:51:06,293 INFO L189 CegarLoopUtils]: For program point L570(line 570) no Hoare annotation was computed. [2020-12-23 01:51:06,293 INFO L189 CegarLoopUtils]: For program point L537(line 537) no Hoare annotation was computed. [2020-12-23 01:51:06,293 INFO L189 CegarLoopUtils]: For program point L504(line 504) no Hoare annotation was computed. [2020-12-23 01:51:06,293 INFO L189 CegarLoopUtils]: For program point L471(line 471) no Hoare annotation was computed. [2020-12-23 01:51:06,293 INFO L189 CegarLoopUtils]: For program point L438(line 438) no Hoare annotation was computed. [2020-12-23 01:51:06,293 INFO L189 CegarLoopUtils]: For program point L405(line 405) no Hoare annotation was computed. [2020-12-23 01:51:06,293 INFO L189 CegarLoopUtils]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-12-23 01:51:06,293 INFO L189 CegarLoopUtils]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-12-23 01:51:06,293 INFO L189 CegarLoopUtils]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-12-23 01:51:06,294 INFO L189 CegarLoopUtils]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-12-23 01:51:06,294 INFO L189 CegarLoopUtils]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-12-23 01:51:06,294 INFO L189 CegarLoopUtils]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-12-23 01:51:06,294 INFO L189 CegarLoopUtils]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,294 INFO L189 CegarLoopUtils]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,294 INFO L189 CegarLoopUtils]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,294 INFO L189 CegarLoopUtils]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,294 INFO L189 CegarLoopUtils]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,295 INFO L189 CegarLoopUtils]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,295 INFO L189 CegarLoopUtils]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-12-23 01:51:06,295 INFO L189 CegarLoopUtils]: For program point L573(line 573) no Hoare annotation was computed. [2020-12-23 01:51:06,295 INFO L189 CegarLoopUtils]: For program point L540(line 540) no Hoare annotation was computed. [2020-12-23 01:51:06,295 INFO L189 CegarLoopUtils]: For program point L507(line 507) no Hoare annotation was computed. [2020-12-23 01:51:06,295 INFO L189 CegarLoopUtils]: For program point L474(line 474) no Hoare annotation was computed. [2020-12-23 01:51:06,295 INFO L189 CegarLoopUtils]: For program point L441(line 441) no Hoare annotation was computed. [2020-12-23 01:51:06,295 INFO L189 CegarLoopUtils]: For program point L408(line 408) no Hoare annotation was computed. [2020-12-23 01:51:06,295 INFO L189 CegarLoopUtils]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-12-23 01:51:06,296 INFO L189 CegarLoopUtils]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-12-23 01:51:06,296 INFO L189 CegarLoopUtils]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-12-23 01:51:06,296 INFO L189 CegarLoopUtils]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-12-23 01:51:06,296 INFO L189 CegarLoopUtils]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-12-23 01:51:06,296 INFO L189 CegarLoopUtils]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,296 INFO L189 CegarLoopUtils]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,296 INFO L189 CegarLoopUtils]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,296 INFO L189 CegarLoopUtils]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,297 INFO L189 CegarLoopUtils]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,297 INFO L189 CegarLoopUtils]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,297 INFO L189 CegarLoopUtils]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-12-23 01:51:06,297 INFO L189 CegarLoopUtils]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-12-23 01:51:06,297 INFO L189 CegarLoopUtils]: For program point L576(line 576) no Hoare annotation was computed. [2020-12-23 01:51:06,297 INFO L189 CegarLoopUtils]: For program point L543(line 543) no Hoare annotation was computed. [2020-12-23 01:51:06,297 INFO L189 CegarLoopUtils]: For program point L510(line 510) no Hoare annotation was computed. [2020-12-23 01:51:06,297 INFO L189 CegarLoopUtils]: For program point L477(line 477) no Hoare annotation was computed. [2020-12-23 01:51:06,297 INFO L189 CegarLoopUtils]: For program point L444(line 444) no Hoare annotation was computed. [2020-12-23 01:51:06,297 INFO L189 CegarLoopUtils]: For program point L411(line 411) no Hoare annotation was computed. [2020-12-23 01:51:06,298 INFO L189 CegarLoopUtils]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-12-23 01:51:06,298 INFO L189 CegarLoopUtils]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-12-23 01:51:06,298 INFO L189 CegarLoopUtils]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,298 INFO L189 CegarLoopUtils]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,298 INFO L189 CegarLoopUtils]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,298 INFO L189 CegarLoopUtils]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,298 INFO L189 CegarLoopUtils]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,298 INFO L189 CegarLoopUtils]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,299 INFO L189 CegarLoopUtils]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-12-23 01:51:06,299 INFO L189 CegarLoopUtils]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-12-23 01:51:06,299 INFO L189 CegarLoopUtils]: For program point L579(line 579) no Hoare annotation was computed. [2020-12-23 01:51:06,299 INFO L189 CegarLoopUtils]: For program point L546(line 546) no Hoare annotation was computed. [2020-12-23 01:51:06,299 INFO L189 CegarLoopUtils]: For program point L513(line 513) no Hoare annotation was computed. [2020-12-23 01:51:06,299 INFO L189 CegarLoopUtils]: For program point L480(line 480) no Hoare annotation was computed. [2020-12-23 01:51:06,299 INFO L189 CegarLoopUtils]: For program point L447(line 447) no Hoare annotation was computed. [2020-12-23 01:51:06,299 INFO L189 CegarLoopUtils]: For program point L414(line 414) no Hoare annotation was computed. [2020-12-23 01:51:06,299 INFO L189 CegarLoopUtils]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-12-23 01:51:06,299 INFO L189 CegarLoopUtils]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-12-23 01:51:06,300 INFO L189 CegarLoopUtils]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-12-23 01:51:06,300 INFO L189 CegarLoopUtils]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-12-23 01:51:06,300 INFO L189 CegarLoopUtils]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-12-23 01:51:06,300 INFO L189 CegarLoopUtils]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-12-23 01:51:06,300 INFO L189 CegarLoopUtils]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-12-23 01:51:06,300 INFO L189 CegarLoopUtils]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,300 INFO L189 CegarLoopUtils]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,300 INFO L189 CegarLoopUtils]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,300 INFO L189 CegarLoopUtils]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,300 INFO L189 CegarLoopUtils]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,301 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 01:51:06,301 INFO L189 CegarLoopUtils]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-12-23 01:51:06,301 INFO L189 CegarLoopUtils]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-12-23 01:51:06,301 INFO L189 CegarLoopUtils]: For program point L582(line 582) no Hoare annotation was computed. [2020-12-23 01:51:06,301 INFO L189 CegarLoopUtils]: For program point L549(line 549) no Hoare annotation was computed. [2020-12-23 01:51:06,301 INFO L189 CegarLoopUtils]: For program point L516(line 516) no Hoare annotation was computed. [2020-12-23 01:51:06,301 INFO L189 CegarLoopUtils]: For program point L483(line 483) no Hoare annotation was computed. [2020-12-23 01:51:06,301 INFO L189 CegarLoopUtils]: For program point L450(line 450) no Hoare annotation was computed. [2020-12-23 01:51:06,301 INFO L189 CegarLoopUtils]: For program point L417(line 417) no Hoare annotation was computed. [2020-12-23 01:51:06,301 INFO L189 CegarLoopUtils]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-12-23 01:51:06,302 INFO L185 CegarLoopUtils]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse6 (= ~a20~0 1))) (let ((.cse5 (<= ~a7~0 0)) (.cse3 (<= ~a16~0 4)) (.cse1 (<= 15 ~a8~0)) (.cse0 (= ~a21~0 1)) (.cse4 (<= ~a17~0 0)) (.cse8 (not .cse6)) (.cse2 (= ~a17~0 1)) (.cse9 (<= ~a16~0 5)) (.cse7 (<= ~a21~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5) (and .cse4 .cse6 .cse7) (and .cse0 .cse5 .cse6 .cse2) (and .cse3 .cse6 .cse2) (and .cse4 .cse8 .cse1) (and (<= 14 ~a8~0) .cse0 .cse4 .cse6) (and .cse9 .cse4 .cse8) (and .cse7 .cse6 .cse2) (and .cse9 .cse7)))) [2020-12-23 01:51:06,302 INFO L189 CegarLoopUtils]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,302 INFO L189 CegarLoopUtils]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,302 INFO L189 CegarLoopUtils]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,303 INFO L189 CegarLoopUtils]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,303 INFO L189 CegarLoopUtils]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,303 INFO L189 CegarLoopUtils]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-12-23 01:51:06,303 INFO L189 CegarLoopUtils]: For program point L552(line 552) no Hoare annotation was computed. [2020-12-23 01:51:06,303 INFO L189 CegarLoopUtils]: For program point L519(line 519) no Hoare annotation was computed. [2020-12-23 01:51:06,303 INFO L189 CegarLoopUtils]: For program point L486(line 486) no Hoare annotation was computed. [2020-12-23 01:51:06,303 INFO L189 CegarLoopUtils]: For program point L453(line 453) no Hoare annotation was computed. [2020-12-23 01:51:06,303 INFO L189 CegarLoopUtils]: For program point L420(line 420) no Hoare annotation was computed. [2020-12-23 01:51:06,303 INFO L189 CegarLoopUtils]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-12-23 01:51:06,304 INFO L189 CegarLoopUtils]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-12-23 01:51:06,304 INFO L189 CegarLoopUtils]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-12-23 01:51:06,304 INFO L189 CegarLoopUtils]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-12-23 01:51:06,304 INFO L189 CegarLoopUtils]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-12-23 01:51:06,304 INFO L189 CegarLoopUtils]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-12-23 01:51:06,304 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 01:51:06,304 INFO L189 CegarLoopUtils]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-12-23 01:51:06,304 INFO L192 CegarLoopUtils]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-12-23 01:51:06,305 INFO L189 CegarLoopUtils]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,305 INFO L189 CegarLoopUtils]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,305 INFO L189 CegarLoopUtils]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,305 INFO L189 CegarLoopUtils]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,305 INFO L189 CegarLoopUtils]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,305 INFO L189 CegarLoopUtils]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-12-23 01:51:06,305 INFO L189 CegarLoopUtils]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-12-23 01:51:06,305 INFO L189 CegarLoopUtils]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-12-23 01:51:06,305 INFO L189 CegarLoopUtils]: For program point L555(line 555) no Hoare annotation was computed. [2020-12-23 01:51:06,305 INFO L189 CegarLoopUtils]: For program point L522(line 522) no Hoare annotation was computed. [2020-12-23 01:51:06,305 INFO L189 CegarLoopUtils]: For program point L489(line 489) no Hoare annotation was computed. [2020-12-23 01:51:06,306 INFO L189 CegarLoopUtils]: For program point L456(line 456) no Hoare annotation was computed. [2020-12-23 01:51:06,306 INFO L189 CegarLoopUtils]: For program point L423(line 423) no Hoare annotation was computed. [2020-12-23 01:51:06,306 INFO L189 CegarLoopUtils]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-12-23 01:51:06,306 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 01:51:06,306 INFO L189 CegarLoopUtils]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,306 INFO L189 CegarLoopUtils]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,306 INFO L189 CegarLoopUtils]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,306 INFO L189 CegarLoopUtils]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,306 INFO L189 CegarLoopUtils]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-12-23 01:51:06,306 INFO L189 CegarLoopUtils]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,306 INFO L189 CegarLoopUtils]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-12-23 01:51:06,307 INFO L189 CegarLoopUtils]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-12-23 01:51:06,307 INFO L189 CegarLoopUtils]: For program point L558(line 558) no Hoare annotation was computed. [2020-12-23 01:51:06,307 INFO L189 CegarLoopUtils]: For program point L525(line 525) no Hoare annotation was computed. [2020-12-23 01:51:06,307 INFO L189 CegarLoopUtils]: For program point L492(line 492) no Hoare annotation was computed. [2020-12-23 01:51:06,307 INFO L189 CegarLoopUtils]: For program point L459(line 459) no Hoare annotation was computed. [2020-12-23 01:51:06,307 INFO L189 CegarLoopUtils]: For program point L426(line 426) no Hoare annotation was computed. [2020-12-23 01:51:06,307 INFO L189 CegarLoopUtils]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-12-23 01:51:06,307 INFO L189 CegarLoopUtils]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-12-23 01:51:06,307 INFO L189 CegarLoopUtils]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-12-23 01:51:06,307 INFO L189 CegarLoopUtils]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-12-23 01:51:06,307 INFO L189 CegarLoopUtils]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-12-23 01:51:06,308 INFO L189 CegarLoopUtils]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-12-23 01:51:06,308 INFO L189 CegarLoopUtils]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,308 INFO L185 CegarLoopUtils]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse6 (= ~a20~0 1))) (let ((.cse5 (<= ~a7~0 0)) (.cse3 (<= ~a16~0 4)) (.cse1 (<= 15 ~a8~0)) (.cse0 (= ~a21~0 1)) (.cse4 (<= ~a17~0 0)) (.cse8 (not .cse6)) (.cse2 (= ~a17~0 1)) (.cse9 (<= ~a16~0 5)) (.cse7 (<= ~a21~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5) (and .cse4 .cse6 .cse7) (and .cse0 .cse5 .cse6 .cse2) (and .cse3 .cse6 .cse2) (and .cse4 .cse8 .cse1) (and (<= 14 ~a8~0) .cse0 .cse4 .cse6) (and .cse9 .cse4 .cse8) (and .cse7 .cse6 .cse2) (and .cse9 .cse7)))) [2020-12-23 01:51:06,308 INFO L189 CegarLoopUtils]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,308 INFO L189 CegarLoopUtils]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,308 INFO L189 CegarLoopUtils]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,308 INFO L189 CegarLoopUtils]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,309 INFO L189 CegarLoopUtils]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-12-23 01:51:06,309 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 01:51:06,309 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 468) no Hoare annotation was computed. [2020-12-23 01:51:06,309 INFO L189 CegarLoopUtils]: For program point L561(line 561) no Hoare annotation was computed. [2020-12-23 01:51:06,309 INFO L189 CegarLoopUtils]: For program point L528(line 528) no Hoare annotation was computed. [2020-12-23 01:51:06,309 INFO L189 CegarLoopUtils]: For program point L495(line 495) no Hoare annotation was computed. [2020-12-23 01:51:06,309 INFO L189 CegarLoopUtils]: For program point L462(line 462) no Hoare annotation was computed. [2020-12-23 01:51:06,309 INFO L189 CegarLoopUtils]: For program point L429(line 429) no Hoare annotation was computed. [2020-12-23 01:51:06,309 INFO L189 CegarLoopUtils]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-12-23 01:51:06,309 INFO L189 CegarLoopUtils]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-12-23 01:51:06,310 INFO L189 CegarLoopUtils]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,310 INFO L189 CegarLoopUtils]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,310 INFO L189 CegarLoopUtils]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,310 INFO L189 CegarLoopUtils]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,310 INFO L189 CegarLoopUtils]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:06,310 INFO L189 CegarLoopUtils]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-12-23 01:51:06,310 INFO L189 CegarLoopUtils]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-12-23 01:51:06,310 INFO L189 CegarLoopUtils]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-12-23 01:51:06,310 INFO L189 CegarLoopUtils]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-12-23 01:51:06,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:51:06 BoogieIcfgContainer [2020-12-23 01:51:06,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 01:51:06,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 01:51:06,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 01:51:06,336 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 01:51:06,336 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:50:52" (3/4) ... [2020-12-23 01:51:06,340 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 01:51:06,361 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 01:51:06,363 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 01:51:06,364 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:51:06,366 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:51:06,538 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem01_label05.c-witness.graphml [2020-12-23 01:51:06,539 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 01:51:06,540 INFO L168 Benchmark]: Toolchain (without parser) took 16611.49 ms. Allocated memory was 164.6 MB in the beginning and 395.3 MB in the end (delta: 230.7 MB). Free memory was 137.2 MB in the beginning and 173.7 MB in the end (delta: -36.5 MB). Peak memory consumption was 195.5 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:06,541 INFO L168 Benchmark]: CDTParser took 3.31 ms. Allocated memory is still 164.6 MB. Free memory was 138.5 MB in the beginning and 138.4 MB in the end (delta: 102.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 01:51:06,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.28 ms. Allocated memory is still 164.6 MB. Free memory was 137.1 MB in the beginning and 109.9 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:06,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.33 ms. Allocated memory is still 164.6 MB. Free memory was 109.9 MB in the beginning and 104.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:06,542 INFO L168 Benchmark]: Boogie Preprocessor took 124.21 ms. Allocated memory is still 164.6 MB. Free memory was 104.1 MB in the beginning and 99.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:06,542 INFO L168 Benchmark]: RCFGBuilder took 1406.09 ms. Allocated memory is still 164.6 MB. Free memory was 99.4 MB in the beginning and 81.8 MB in the end (delta: 17.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:06,543 INFO L168 Benchmark]: TraceAbstraction took 14016.63 ms. Allocated memory was 164.6 MB in the beginning and 395.3 MB in the end (delta: 230.7 MB). Free memory was 81.2 MB in the beginning and 188.6 MB in the end (delta: -107.3 MB). Peak memory consumption was 123.9 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:06,543 INFO L168 Benchmark]: Witness Printer took 203.18 ms. Allocated memory is still 395.3 MB. Free memory was 188.6 MB in the beginning and 173.7 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:06,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.31 ms. Allocated memory is still 164.6 MB. Free memory was 138.5 MB in the beginning and 138.4 MB in the end (delta: 102.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 739.28 ms. Allocated memory is still 164.6 MB. Free memory was 137.1 MB in the beginning and 109.9 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 112.33 ms. Allocated memory is still 164.6 MB. Free memory was 109.9 MB in the beginning and 104.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 124.21 ms. Allocated memory is still 164.6 MB. Free memory was 104.1 MB in the beginning and 99.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1406.09 ms. Allocated memory is still 164.6 MB. Free memory was 99.4 MB in the beginning and 81.8 MB in the end (delta: 17.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14016.63 ms. Allocated memory was 164.6 MB in the beginning and 395.3 MB in the end (delta: 230.7 MB). Free memory was 81.2 MB in the beginning and 188.6 MB in the end (delta: -107.3 MB). Peak memory consumption was 123.9 MB. Max. memory is 8.0 GB. * Witness Printer took 203.18 ms. Allocated memory is still 395.3 MB. Free memory was 188.6 MB in the beginning and 173.7 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 468]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((((a21 == 1 && 15 <= a8) && a17 == 1) || (((a21 == 1 && a16 <= 4) && a17 <= 0) && a7 <= 0)) || ((a17 <= 0 && a20 == 1) && a21 <= 0)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a16 <= 4 && a20 == 1) && a17 == 1)) || ((a17 <= 0 && !(a20 == 1)) && 15 <= a8)) || (((14 <= a8 && a21 == 1) && a17 <= 0) && a20 == 1)) || ((a16 <= 5 && a17 <= 0) && !(a20 == 1))) || ((a21 <= 0 && a20 == 1) && a17 == 1)) || (a16 <= 5 && a21 <= 0) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((((((a21 == 1 && 15 <= a8) && a17 == 1) || (((a21 == 1 && a16 <= 4) && a17 <= 0) && a7 <= 0)) || ((a17 <= 0 && a20 == 1) && a21 <= 0)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a16 <= 4 && a20 == 1) && a17 == 1)) || ((a17 <= 0 && !(a20 == 1)) && 15 <= a8)) || (((14 <= a8 && a21 == 1) && a17 <= 0) && a20 == 1)) || ((a16 <= 5 && a17 <= 0) && !(a20 == 1))) || ((a21 <= 0 && a20 == 1) && a17 == 1)) || (a16 <= 5 && a21 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.3s, OverallIterations: 12, TraceHistogramMax: 7, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 851 SDtfs, 1420 SDslu, 68 SDs, 0 SdLazy, 4127 SolverSat, 636 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1048 GetRequests, 1025 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2755occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 1703 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 39 NumberOfFragments, 219 HoareAnnotationTreeSize, 3 FomulaSimplifications, 876 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 218 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2940 NumberOfCodeBlocks, 2940 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2923 ConstructedInterpolants, 0 QuantifiedInterpolants, 997212 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2131 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 2489/2504 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...