/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_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 11:46:15,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 11:46:15,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 11:46:15,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 11:46:15,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 11:46:15,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 11:46:15,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 11:46:15,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 11:46:15,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 11:46:15,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 11:46:15,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 11:46:15,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 11:46:15,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 11:46:15,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 11:46:15,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 11:46:15,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 11:46:15,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 11:46:15,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 11:46:15,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 11:46:15,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 11:46:15,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 11:46:15,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 11:46:15,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 11:46:15,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 11:46:15,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 11:46:15,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 11:46:15,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 11:46:15,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 11:46:15,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 11:46:15,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 11:46:15,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 11:46:15,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 11:46:15,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 11:46:15,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 11:46:15,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 11:46:15,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 11:46:15,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 11:46:15,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 11:46:15,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 11:46:15,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 11:46:15,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 11:46:15,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 11:46:15,449 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 11:46:15,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 11:46:15,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 11:46:15,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 11:46:15,454 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 11:46:15,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 11:46:15,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 11:46:15,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 11:46:15,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 11:46:15,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 11:46:15,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 11:46:15,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 11:46:15,458 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 11:46:15,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 11:46:15,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 11:46:15,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 11:46:15,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 11:46:15,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 11:46:15,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 11:46:15,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 11:46:15,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 11:46:15,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 11:46:15,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 11:46:15,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 11:46:15,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 11:46:15,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 11:46:15,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 11:46:15,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 11:46:15,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 11:46:15,912 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 11:46:15,915 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 11:46:15,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label26.c [2021-01-06 11:46:16,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c0bc378f5/352d9a9d35cc4a0cba1177647b590de9/FLAG29472cfb2 [2021-01-06 11:46:16,792 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 11:46:16,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label26.c [2021-01-06 11:46:16,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c0bc378f5/352d9a9d35cc4a0cba1177647b590de9/FLAG29472cfb2 [2021-01-06 11:46:16,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c0bc378f5/352d9a9d35cc4a0cba1177647b590de9 [2021-01-06 11:46:16,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 11:46:16,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 11:46:16,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 11:46:16,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 11:46:16,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 11:46:16,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:46:16" (1/1) ... [2021-01-06 11:46:17,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fec1cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:16, skipping insertion in model container [2021-01-06 11:46:17,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:46:16" (1/1) ... [2021-01-06 11:46:17,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 11:46:17,085 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] [2021-01-06 11:46:17,482 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_label26.c[18357,18370] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 11:46:17,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:46:17,550 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] [2021-01-06 11:46:17,704 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_label26.c[18357,18370] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 11:46:17,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:46:17,760 INFO L208 MainTranslator]: Completed translation [2021-01-06 11:46:17,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:17 WrapperNode [2021-01-06 11:46:17,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 11:46:17,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 11:46:17,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 11:46:17,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 11:46:17,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:17" (1/1) ... [2021-01-06 11:46:17,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:17" (1/1) ... [2021-01-06 11:46:17,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 11:46:17,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 11:46:17,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 11:46:17,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 11:46:17,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:17" (1/1) ... [2021-01-06 11:46:17,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:17" (1/1) ... [2021-01-06 11:46:17,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:17" (1/1) ... [2021-01-06 11:46:17,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:17" (1/1) ... [2021-01-06 11:46:17,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:17" (1/1) ... [2021-01-06 11:46:17,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:17" (1/1) ... [2021-01-06 11:46:17,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:17" (1/1) ... [2021-01-06 11:46:17,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 11:46:17,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 11:46:17,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 11:46:17,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 11:46:17,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:17" (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 [2021-01-06 11:46:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 11:46:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 11:46:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 11:46:18,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 11:46:19,716 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 11:46:19,716 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 11:46:19,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:46:19 BoogieIcfgContainer [2021-01-06 11:46:19,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 11:46:19,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 11:46:19,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 11:46:19,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 11:46:19,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 11:46:16" (1/3) ... [2021-01-06 11:46:19,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60495d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:46:19, skipping insertion in model container [2021-01-06 11:46:19,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:17" (2/3) ... [2021-01-06 11:46:19,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60495d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:46:19, skipping insertion in model container [2021-01-06 11:46:19,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:46:19" (3/3) ... [2021-01-06 11:46:19,728 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label26.c [2021-01-06 11:46:19,735 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 11:46:19,740 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 11:46:19,760 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 11:46:19,790 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 11:46:19,790 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 11:46:19,790 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 11:46:19,790 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 11:46:19,790 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 11:46:19,790 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 11:46:19,790 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 11:46:19,791 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 11:46:19,811 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2021-01-06 11:46:19,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-06 11:46:19,823 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:19,824 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:19,825 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:19,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:19,832 INFO L82 PathProgramCache]: Analyzing trace with hash -583926962, now seen corresponding path program 1 times [2021-01-06 11:46:19,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:19,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160438485] [2021-01-06 11:46:19,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:20,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:46:20,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160438485] [2021-01-06 11:46:20,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:46:20,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 11:46:20,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184398383] [2021-01-06 11:46:20,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:20,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:20,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:20,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:46:20,448 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2021-01-06 11:46:21,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:21,637 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2021-01-06 11:46:21,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:46:21,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2021-01-06 11:46:21,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:21,655 INFO L225 Difference]: With dead ends: 528 [2021-01-06 11:46:21,656 INFO L226 Difference]: Without dead ends: 266 [2021-01-06 11:46:21,661 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 [2021-01-06 11:46:21,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-01-06 11:46:21,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2021-01-06 11:46:21,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2021-01-06 11:46:21,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2021-01-06 11:46:21,734 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 103 [2021-01-06 11:46:21,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:21,735 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2021-01-06 11:46:21,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:46:21,735 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2021-01-06 11:46:21,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 11:46:21,744 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:21,745 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:21,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 11:46:21,746 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:21,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:21,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1946546597, now seen corresponding path program 1 times [2021-01-06 11:46:21,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:21,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081116160] [2021-01-06 11:46:21,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:46:21,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081116160] [2021-01-06 11:46:21,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:46:21,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 11:46:21,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787670099] [2021-01-06 11:46:21,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:21,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:21,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:21,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:46:21,885 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand 3 states. [2021-01-06 11:46:22,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:22,539 INFO L93 Difference]: Finished difference Result 792 states and 1153 transitions. [2021-01-06 11:46:22,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:46:22,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2021-01-06 11:46:22,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:22,547 INFO L225 Difference]: With dead ends: 792 [2021-01-06 11:46:22,547 INFO L226 Difference]: Without dead ends: 528 [2021-01-06 11:46:22,550 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 [2021-01-06 11:46:22,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-01-06 11:46:22,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2021-01-06 11:46:22,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2021-01-06 11:46:22,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 727 transitions. [2021-01-06 11:46:22,589 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 727 transitions. Word has length 109 [2021-01-06 11:46:22,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:22,590 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 727 transitions. [2021-01-06 11:46:22,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:46:22,590 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 727 transitions. [2021-01-06 11:46:22,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 11:46:22,593 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:22,593 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:22,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 11:46:22,594 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:22,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:22,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1625453403, now seen corresponding path program 1 times [2021-01-06 11:46:22,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:22,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535544902] [2021-01-06 11:46:22,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:22,935 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:46:22,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535544902] [2021-01-06 11:46:22,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:46:22,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:46:22,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145586352] [2021-01-06 11:46:22,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 11:46:22,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:22,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 11:46:22,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:46:22,938 INFO L87 Difference]: Start difference. First operand 528 states and 727 transitions. Second operand 4 states. [2021-01-06 11:46:23,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:23,892 INFO L93 Difference]: Finished difference Result 1411 states and 1930 transitions. [2021-01-06 11:46:23,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 11:46:23,893 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2021-01-06 11:46:23,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:23,898 INFO L225 Difference]: With dead ends: 1411 [2021-01-06 11:46:23,898 INFO L226 Difference]: Without dead ends: 790 [2021-01-06 11:46:23,902 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 [2021-01-06 11:46:23,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2021-01-06 11:46:23,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2021-01-06 11:46:23,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2021-01-06 11:46:23,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 813 transitions. [2021-01-06 11:46:23,973 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 813 transitions. Word has length 110 [2021-01-06 11:46:23,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:23,977 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 813 transitions. [2021-01-06 11:46:23,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 11:46:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 813 transitions. [2021-01-06 11:46:23,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-01-06 11:46:23,982 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:23,983 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:23,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 11:46:23,983 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:23,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:23,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1996054594, now seen corresponding path program 1 times [2021-01-06 11:46:23,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:23,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103514537] [2021-01-06 11:46:23,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:24,133 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 11:46:24,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103514537] [2021-01-06 11:46:24,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:46:24,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 11:46:24,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555764751] [2021-01-06 11:46:24,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:24,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:24,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:24,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:46:24,142 INFO L87 Difference]: Start difference. First operand 659 states and 813 transitions. Second operand 3 states. [2021-01-06 11:46:24,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:24,634 INFO L93 Difference]: Finished difference Result 1578 states and 1974 transitions. [2021-01-06 11:46:24,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:46:24,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2021-01-06 11:46:24,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:24,641 INFO L225 Difference]: With dead ends: 1578 [2021-01-06 11:46:24,641 INFO L226 Difference]: Without dead ends: 921 [2021-01-06 11:46:24,643 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 [2021-01-06 11:46:24,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2021-01-06 11:46:24,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 790. [2021-01-06 11:46:24,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2021-01-06 11:46:24,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 956 transitions. [2021-01-06 11:46:24,669 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 956 transitions. Word has length 120 [2021-01-06 11:46:24,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:24,669 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 956 transitions. [2021-01-06 11:46:24,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:46:24,669 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 956 transitions. [2021-01-06 11:46:24,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-01-06 11:46:24,672 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:24,672 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:24,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 11:46:24,673 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:24,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:24,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1372788512, now seen corresponding path program 1 times [2021-01-06 11:46:24,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:24,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468827406] [2021-01-06 11:46:24,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:24,757 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-06 11:46:24,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468827406] [2021-01-06 11:46:24,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:46:24,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:46:24,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617686932] [2021-01-06 11:46:24,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:24,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:24,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:24,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:46:24,760 INFO L87 Difference]: Start difference. First operand 790 states and 956 transitions. Second operand 3 states. [2021-01-06 11:46:25,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:25,317 INFO L93 Difference]: Finished difference Result 2102 states and 2521 transitions. [2021-01-06 11:46:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:46:25,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2021-01-06 11:46:25,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:25,326 INFO L225 Difference]: With dead ends: 2102 [2021-01-06 11:46:25,327 INFO L226 Difference]: Without dead ends: 1314 [2021-01-06 11:46:25,329 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 [2021-01-06 11:46:25,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2021-01-06 11:46:25,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1052. [2021-01-06 11:46:25,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2021-01-06 11:46:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1268 transitions. [2021-01-06 11:46:25,370 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1268 transitions. Word has length 129 [2021-01-06 11:46:25,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:25,370 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1268 transitions. [2021-01-06 11:46:25,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:46:25,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1268 transitions. [2021-01-06 11:46:25,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-01-06 11:46:25,376 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:25,376 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:25,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 11:46:25,377 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:25,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:25,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1521668399, now seen corresponding path program 1 times [2021-01-06 11:46:25,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:25,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324652222] [2021-01-06 11:46:25,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:25,512 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-06 11:46:25,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324652222] [2021-01-06 11:46:25,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450191046] [2021-01-06 11:46:25,513 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 [2021-01-06 11:46:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:25,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:46:25,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:46:25,970 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-01-06 11:46:25,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:46:25,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-01-06 11:46:25,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309711881] [2021-01-06 11:46:25,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:25,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:25,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:25,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:25,973 INFO L87 Difference]: Start difference. First operand 1052 states and 1268 transitions. Second operand 3 states. [2021-01-06 11:46:26,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:26,530 INFO L93 Difference]: Finished difference Result 3019 states and 3665 transitions. [2021-01-06 11:46:26,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:46:26,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2021-01-06 11:46:26,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:26,545 INFO L225 Difference]: With dead ends: 3019 [2021-01-06 11:46:26,546 INFO L226 Difference]: Without dead ends: 1969 [2021-01-06 11:46:26,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:26,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2021-01-06 11:46:26,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1969. [2021-01-06 11:46:26,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2021-01-06 11:46:26,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2307 transitions. [2021-01-06 11:46:26,608 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2307 transitions. Word has length 135 [2021-01-06 11:46:26,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:26,611 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2307 transitions. [2021-01-06 11:46:26,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:46:26,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2307 transitions. [2021-01-06 11:46:26,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-01-06 11:46:26,620 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:26,621 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:26,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-01-06 11:46:26,836 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:26,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:26,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1849194675, now seen corresponding path program 1 times [2021-01-06 11:46:26,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:26,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200019468] [2021-01-06 11:46:26,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-01-06 11:46:26,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200019468] [2021-01-06 11:46:26,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960234794] [2021-01-06 11:46:26,963 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 [2021-01-06 11:46:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:27,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:46:27,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:46:27,261 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-01-06 11:46:27,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:46:27,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-01-06 11:46:27,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576676285] [2021-01-06 11:46:27,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:27,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:27,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:27,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:27,265 INFO L87 Difference]: Start difference. First operand 1969 states and 2307 transitions. Second operand 3 states. [2021-01-06 11:46:27,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:27,835 INFO L93 Difference]: Finished difference Result 4329 states and 5115 transitions. [2021-01-06 11:46:27,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:46:27,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2021-01-06 11:46:27,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:27,857 INFO L225 Difference]: With dead ends: 4329 [2021-01-06 11:46:27,862 INFO L226 Difference]: Without dead ends: 2362 [2021-01-06 11:46:27,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:27,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2021-01-06 11:46:27,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2100. [2021-01-06 11:46:27,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2021-01-06 11:46:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2462 transitions. [2021-01-06 11:46:27,990 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2462 transitions. Word has length 147 [2021-01-06 11:46:27,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:27,991 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2462 transitions. [2021-01-06 11:46:27,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:46:27,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2462 transitions. [2021-01-06 11:46:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-01-06 11:46:28,001 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:28,001 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:28,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:46:28,202 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:28,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:28,203 INFO L82 PathProgramCache]: Analyzing trace with hash -999744512, now seen corresponding path program 1 times [2021-01-06 11:46:28,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:28,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202640445] [2021-01-06 11:46:28,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:28,316 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-01-06 11:46:28,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202640445] [2021-01-06 11:46:28,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529948609] [2021-01-06 11:46:28,318 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 [2021-01-06 11:46:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:28,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:46:28,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:46:28,722 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-01-06 11:46:28,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:46:28,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-01-06 11:46:28,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498774761] [2021-01-06 11:46:28,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:28,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:28,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:28,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:28,726 INFO L87 Difference]: Start difference. First operand 2100 states and 2462 transitions. Second operand 3 states. [2021-01-06 11:46:29,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:29,412 INFO L93 Difference]: Finished difference Result 4329 states and 5077 transitions. [2021-01-06 11:46:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:46:29,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2021-01-06 11:46:29,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:29,425 INFO L225 Difference]: With dead ends: 4329 [2021-01-06 11:46:29,426 INFO L226 Difference]: Without dead ends: 2231 [2021-01-06 11:46:29,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:29,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2021-01-06 11:46:29,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2231. [2021-01-06 11:46:29,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2021-01-06 11:46:29,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2536 transitions. [2021-01-06 11:46:29,480 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2536 transitions. Word has length 154 [2021-01-06 11:46:29,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:29,480 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2536 transitions. [2021-01-06 11:46:29,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:46:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2536 transitions. [2021-01-06 11:46:29,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-01-06 11:46:29,488 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:29,488 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:29,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:46:29,701 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:29,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:29,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1397016269, now seen corresponding path program 1 times [2021-01-06 11:46:29,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:29,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732844952] [2021-01-06 11:46:29,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:29,790 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 67 proven. 3 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-01-06 11:46:29,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732844952] [2021-01-06 11:46:29,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980000109] [2021-01-06 11:46:29,791 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 [2021-01-06 11:46:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:29,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:46:29,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:46:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-01-06 11:46:30,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:46:30,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-01-06 11:46:30,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573482966] [2021-01-06 11:46:30,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:30,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:30,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:30,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:30,187 INFO L87 Difference]: Start difference. First operand 2231 states and 2536 transitions. Second operand 3 states. [2021-01-06 11:46:30,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:30,877 INFO L93 Difference]: Finished difference Result 5508 states and 6295 transitions. [2021-01-06 11:46:30,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:46:30,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2021-01-06 11:46:30,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:30,895 INFO L225 Difference]: With dead ends: 5508 [2021-01-06 11:46:30,895 INFO L226 Difference]: Without dead ends: 3279 [2021-01-06 11:46:30,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:30,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2021-01-06 11:46:30,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 2755. [2021-01-06 11:46:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2755 states. [2021-01-06 11:46:30,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3124 transitions. [2021-01-06 11:46:30,960 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3124 transitions. Word has length 163 [2021-01-06 11:46:30,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:30,961 INFO L481 AbstractCegarLoop]: Abstraction has 2755 states and 3124 transitions. [2021-01-06 11:46:30,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:46:30,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3124 transitions. [2021-01-06 11:46:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-01-06 11:46:30,987 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:30,987 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:31,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:46:31,202 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:31,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:31,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1810219089, now seen corresponding path program 1 times [2021-01-06 11:46:31,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:31,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391258014] [2021-01-06 11:46:31,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:31,283 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 53 proven. 3 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-01-06 11:46:31,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391258014] [2021-01-06 11:46:31,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026069029] [2021-01-06 11:46:31,284 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 [2021-01-06 11:46:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:31,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:46:31,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:46:31,571 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-01-06 11:46:31,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:46:31,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-01-06 11:46:31,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23759710] [2021-01-06 11:46:31,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:31,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:31,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:31,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:31,574 INFO L87 Difference]: Start difference. First operand 2755 states and 3124 transitions. Second operand 3 states. [2021-01-06 11:46:32,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:32,124 INFO L93 Difference]: Finished difference Result 6032 states and 6829 transitions. [2021-01-06 11:46:32,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:46:32,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2021-01-06 11:46:32,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:32,140 INFO L225 Difference]: With dead ends: 6032 [2021-01-06 11:46:32,140 INFO L226 Difference]: Without dead ends: 3148 [2021-01-06 11:46:32,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:32,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2021-01-06 11:46:32,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 2362. [2021-01-06 11:46:32,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2021-01-06 11:46:32,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2604 transitions. [2021-01-06 11:46:32,198 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2604 transitions. Word has length 166 [2021-01-06 11:46:32,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:32,199 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2604 transitions. [2021-01-06 11:46:32,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:46:32,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2604 transitions. [2021-01-06 11:46:32,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-01-06 11:46:32,205 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:32,206 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:32,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 11:46:32,422 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:32,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:32,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1791051296, now seen corresponding path program 1 times [2021-01-06 11:46:32,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:32,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788262934] [2021-01-06 11:46:32,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:32,531 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-01-06 11:46:32,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788262934] [2021-01-06 11:46:32,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034071948] [2021-01-06 11:46:32,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:46:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:32,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:46:32,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:46:32,942 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-01-06 11:46:32,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:46:32,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-01-06 11:46:32,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148545977] [2021-01-06 11:46:32,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:32,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:32,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:32,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:32,945 INFO L87 Difference]: Start difference. First operand 2362 states and 2604 transitions. Second operand 3 states. [2021-01-06 11:46:33,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:33,445 INFO L93 Difference]: Finished difference Result 4458 states and 4930 transitions. [2021-01-06 11:46:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:46:33,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2021-01-06 11:46:33,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:33,447 INFO L225 Difference]: With dead ends: 4458 [2021-01-06 11:46:33,447 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 11:46:33,453 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 [2021-01-06 11:46:33,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 11:46:33,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 11:46:33,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 11:46:33,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 11:46:33,454 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2021-01-06 11:46:33,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:33,454 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 11:46:33,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:46:33,455 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 11:46:33,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 11:46:33,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:46:33,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 11:46:34,251 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2021-01-06 11:46:34,676 WARN L197 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2021-01-06 11:46:34,681 INFO L189 CegarLoopUtils]: For program point L564(line 564) no Hoare annotation was computed. [2021-01-06 11:46:34,681 INFO L189 CegarLoopUtils]: For program point L531(line 531) no Hoare annotation was computed. [2021-01-06 11:46:34,681 INFO L189 CegarLoopUtils]: For program point L498(line 498) no Hoare annotation was computed. [2021-01-06 11:46:34,681 INFO L189 CegarLoopUtils]: For program point L465(line 465) no Hoare annotation was computed. [2021-01-06 11:46:34,682 INFO L189 CegarLoopUtils]: For program point L432(line 432) no Hoare annotation was computed. [2021-01-06 11:46:34,682 INFO L189 CegarLoopUtils]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-01-06 11:46:34,682 INFO L189 CegarLoopUtils]: For program point L598(line 598) no Hoare annotation was computed. [2021-01-06 11:46:34,682 INFO L189 CegarLoopUtils]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-01-06 11:46:34,683 INFO L189 CegarLoopUtils]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,683 INFO L189 CegarLoopUtils]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,683 INFO L189 CegarLoopUtils]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,683 INFO L189 CegarLoopUtils]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,683 INFO L189 CegarLoopUtils]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-01-06 11:46:34,684 INFO L189 CegarLoopUtils]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,684 INFO L189 CegarLoopUtils]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,684 INFO L189 CegarLoopUtils]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-01-06 11:46:34,684 INFO L189 CegarLoopUtils]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-01-06 11:46:34,684 INFO L189 CegarLoopUtils]: For program point L567(line 567) no Hoare annotation was computed. [2021-01-06 11:46:34,684 INFO L189 CegarLoopUtils]: For program point L534(line 534) no Hoare annotation was computed. [2021-01-06 11:46:34,684 INFO L189 CegarLoopUtils]: For program point L501(line 501) no Hoare annotation was computed. [2021-01-06 11:46:34,685 INFO L189 CegarLoopUtils]: For program point L468(line 468) no Hoare annotation was computed. [2021-01-06 11:46:34,685 INFO L189 CegarLoopUtils]: For program point L435(line 435) no Hoare annotation was computed. [2021-01-06 11:46:34,685 INFO L189 CegarLoopUtils]: For program point L402(line 402) no Hoare annotation was computed. [2021-01-06 11:46:34,685 INFO L189 CegarLoopUtils]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-01-06 11:46:34,685 INFO L189 CegarLoopUtils]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-01-06 11:46:34,685 INFO L189 CegarLoopUtils]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-01-06 11:46:34,685 INFO L189 CegarLoopUtils]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-01-06 11:46:34,685 INFO L189 CegarLoopUtils]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,686 INFO L189 CegarLoopUtils]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,686 INFO L189 CegarLoopUtils]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,686 INFO L189 CegarLoopUtils]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,686 INFO L189 CegarLoopUtils]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,686 INFO L189 CegarLoopUtils]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-01-06 11:46:34,686 INFO L189 CegarLoopUtils]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,686 INFO L189 CegarLoopUtils]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-01-06 11:46:34,686 INFO L189 CegarLoopUtils]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-01-06 11:46:34,687 INFO L189 CegarLoopUtils]: For program point L570(line 570) no Hoare annotation was computed. [2021-01-06 11:46:34,687 INFO L189 CegarLoopUtils]: For program point L537(line 537) no Hoare annotation was computed. [2021-01-06 11:46:34,687 INFO L189 CegarLoopUtils]: For program point L504(line 504) no Hoare annotation was computed. [2021-01-06 11:46:34,687 INFO L189 CegarLoopUtils]: For program point L471(line 471) no Hoare annotation was computed. [2021-01-06 11:46:34,687 INFO L189 CegarLoopUtils]: For program point L438(line 438) no Hoare annotation was computed. [2021-01-06 11:46:34,687 INFO L189 CegarLoopUtils]: For program point L405(line 405) no Hoare annotation was computed. [2021-01-06 11:46:34,687 INFO L189 CegarLoopUtils]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-01-06 11:46:34,687 INFO L189 CegarLoopUtils]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-01-06 11:46:34,688 INFO L189 CegarLoopUtils]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-01-06 11:46:34,688 INFO L189 CegarLoopUtils]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-01-06 11:46:34,688 INFO L189 CegarLoopUtils]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-01-06 11:46:34,688 INFO L189 CegarLoopUtils]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-01-06 11:46:34,688 INFO L189 CegarLoopUtils]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,688 INFO L189 CegarLoopUtils]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,688 INFO L189 CegarLoopUtils]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,688 INFO L189 CegarLoopUtils]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,689 INFO L189 CegarLoopUtils]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,689 INFO L189 CegarLoopUtils]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,689 INFO L189 CegarLoopUtils]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-01-06 11:46:34,689 INFO L189 CegarLoopUtils]: For program point L573(line 573) no Hoare annotation was computed. [2021-01-06 11:46:34,689 INFO L189 CegarLoopUtils]: For program point L540(line 540) no Hoare annotation was computed. [2021-01-06 11:46:34,689 INFO L189 CegarLoopUtils]: For program point L507(line 507) no Hoare annotation was computed. [2021-01-06 11:46:34,689 INFO L189 CegarLoopUtils]: For program point L474(line 474) no Hoare annotation was computed. [2021-01-06 11:46:34,689 INFO L189 CegarLoopUtils]: For program point L441(line 441) no Hoare annotation was computed. [2021-01-06 11:46:34,690 INFO L189 CegarLoopUtils]: For program point L408(line 408) no Hoare annotation was computed. [2021-01-06 11:46:34,690 INFO L189 CegarLoopUtils]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-01-06 11:46:34,690 INFO L189 CegarLoopUtils]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-01-06 11:46:34,690 INFO L189 CegarLoopUtils]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-01-06 11:46:34,690 INFO L189 CegarLoopUtils]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-01-06 11:46:34,690 INFO L189 CegarLoopUtils]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-01-06 11:46:34,690 INFO L189 CegarLoopUtils]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,691 INFO L189 CegarLoopUtils]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,691 INFO L189 CegarLoopUtils]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,691 INFO L189 CegarLoopUtils]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,691 INFO L189 CegarLoopUtils]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,691 INFO L189 CegarLoopUtils]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,691 INFO L189 CegarLoopUtils]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-01-06 11:46:34,691 INFO L189 CegarLoopUtils]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-01-06 11:46:34,691 INFO L189 CegarLoopUtils]: For program point L576(line 576) no Hoare annotation was computed. [2021-01-06 11:46:34,692 INFO L189 CegarLoopUtils]: For program point L543(line 543) no Hoare annotation was computed. [2021-01-06 11:46:34,692 INFO L189 CegarLoopUtils]: For program point L510(line 510) no Hoare annotation was computed. [2021-01-06 11:46:34,692 INFO L189 CegarLoopUtils]: For program point L477(line 477) no Hoare annotation was computed. [2021-01-06 11:46:34,692 INFO L189 CegarLoopUtils]: For program point L444(line 444) no Hoare annotation was computed. [2021-01-06 11:46:34,692 INFO L189 CegarLoopUtils]: For program point L411(line 411) no Hoare annotation was computed. [2021-01-06 11:46:34,692 INFO L189 CegarLoopUtils]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-01-06 11:46:34,692 INFO L189 CegarLoopUtils]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-01-06 11:46:34,692 INFO L189 CegarLoopUtils]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,692 INFO L189 CegarLoopUtils]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,693 INFO L189 CegarLoopUtils]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,693 INFO L189 CegarLoopUtils]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,693 INFO L189 CegarLoopUtils]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,693 INFO L189 CegarLoopUtils]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,693 INFO L189 CegarLoopUtils]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-01-06 11:46:34,693 INFO L189 CegarLoopUtils]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-01-06 11:46:34,693 INFO L189 CegarLoopUtils]: For program point L579(line 579) no Hoare annotation was computed. [2021-01-06 11:46:34,693 INFO L189 CegarLoopUtils]: For program point L546(line 546) no Hoare annotation was computed. [2021-01-06 11:46:34,693 INFO L189 CegarLoopUtils]: For program point L513(line 513) no Hoare annotation was computed. [2021-01-06 11:46:34,694 INFO L189 CegarLoopUtils]: For program point L480(line 480) no Hoare annotation was computed. [2021-01-06 11:46:34,694 INFO L189 CegarLoopUtils]: For program point L447(line 447) no Hoare annotation was computed. [2021-01-06 11:46:34,694 INFO L189 CegarLoopUtils]: For program point L414(line 414) no Hoare annotation was computed. [2021-01-06 11:46:34,694 INFO L189 CegarLoopUtils]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-01-06 11:46:34,694 INFO L189 CegarLoopUtils]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-01-06 11:46:34,694 INFO L189 CegarLoopUtils]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-01-06 11:46:34,694 INFO L189 CegarLoopUtils]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-01-06 11:46:34,694 INFO L189 CegarLoopUtils]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-01-06 11:46:34,694 INFO L189 CegarLoopUtils]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-01-06 11:46:34,695 INFO L189 CegarLoopUtils]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-01-06 11:46:34,695 INFO L189 CegarLoopUtils]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,695 INFO L189 CegarLoopUtils]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,695 INFO L189 CegarLoopUtils]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,695 INFO L189 CegarLoopUtils]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,695 INFO L189 CegarLoopUtils]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,695 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 11:46:34,695 INFO L189 CegarLoopUtils]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-01-06 11:46:34,695 INFO L189 CegarLoopUtils]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-01-06 11:46:34,696 INFO L189 CegarLoopUtils]: For program point L582(line 582) no Hoare annotation was computed. [2021-01-06 11:46:34,696 INFO L189 CegarLoopUtils]: For program point L549(line 549) no Hoare annotation was computed. [2021-01-06 11:46:34,696 INFO L189 CegarLoopUtils]: For program point L516(line 516) no Hoare annotation was computed. [2021-01-06 11:46:34,696 INFO L189 CegarLoopUtils]: For program point L483(line 483) no Hoare annotation was computed. [2021-01-06 11:46:34,696 INFO L189 CegarLoopUtils]: For program point L450(line 450) no Hoare annotation was computed. [2021-01-06 11:46:34,696 INFO L189 CegarLoopUtils]: For program point L417(line 417) no Hoare annotation was computed. [2021-01-06 11:46:34,696 INFO L189 CegarLoopUtils]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-01-06 11:46:34,697 INFO L185 CegarLoopUtils]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse4 (= ~a20~0 1)) (.cse5 (<= ~a8~0 14)) (.cse1 (<= ~a7~0 0)) (.cse2 (<= 15 ~a8~0)) (.cse7 (= ~a21~0 1)) (.cse6 (<= ~a16~0 5)) (.cse8 (= ~a17~0 1)) (.cse3 (<= ~a20~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4) (and .cse5 .cse4) (and .cse6 .cse0 .cse3) (and .cse5 .cse6 .cse3) (and .cse7 (= ~a12~0 8) .cse1 .cse4 .cse8) (and .cse0 .cse4 (<= 5 ~a16~0)) (and .cse5 .cse6 (<= ~a21~0 0)) (and .cse7 .cse1 .cse8 .cse2 .cse3) (and .cse7 .cse6 .cse8 .cse3))) [2021-01-06 11:46:34,697 INFO L189 CegarLoopUtils]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,697 INFO L189 CegarLoopUtils]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,697 INFO L189 CegarLoopUtils]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,697 INFO L189 CegarLoopUtils]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,697 INFO L189 CegarLoopUtils]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,697 INFO L189 CegarLoopUtils]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-01-06 11:46:34,697 INFO L189 CegarLoopUtils]: For program point L552(line 552) no Hoare annotation was computed. [2021-01-06 11:46:34,698 INFO L189 CegarLoopUtils]: For program point L519(line 519) no Hoare annotation was computed. [2021-01-06 11:46:34,698 INFO L189 CegarLoopUtils]: For program point L486(line 486) no Hoare annotation was computed. [2021-01-06 11:46:34,698 INFO L189 CegarLoopUtils]: For program point L453(line 453) no Hoare annotation was computed. [2021-01-06 11:46:34,698 INFO L189 CegarLoopUtils]: For program point L420(line 420) no Hoare annotation was computed. [2021-01-06 11:46:34,698 INFO L189 CegarLoopUtils]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-01-06 11:46:34,698 INFO L189 CegarLoopUtils]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-01-06 11:46:34,698 INFO L189 CegarLoopUtils]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-01-06 11:46:34,698 INFO L189 CegarLoopUtils]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-01-06 11:46:34,698 INFO L189 CegarLoopUtils]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-01-06 11:46:34,699 INFO L189 CegarLoopUtils]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-01-06 11:46:34,699 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 11:46:34,699 INFO L189 CegarLoopUtils]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-01-06 11:46:34,699 INFO L192 CegarLoopUtils]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-01-06 11:46:34,699 INFO L189 CegarLoopUtils]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,699 INFO L189 CegarLoopUtils]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,699 INFO L189 CegarLoopUtils]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,699 INFO L189 CegarLoopUtils]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,699 INFO L189 CegarLoopUtils]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,700 INFO L189 CegarLoopUtils]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-01-06 11:46:34,700 INFO L189 CegarLoopUtils]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-01-06 11:46:34,700 INFO L189 CegarLoopUtils]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-01-06 11:46:34,700 INFO L189 CegarLoopUtils]: For program point L555(line 555) no Hoare annotation was computed. [2021-01-06 11:46:34,700 INFO L189 CegarLoopUtils]: For program point L522(line 522) no Hoare annotation was computed. [2021-01-06 11:46:34,700 INFO L189 CegarLoopUtils]: For program point L489(line 489) no Hoare annotation was computed. [2021-01-06 11:46:34,700 INFO L189 CegarLoopUtils]: For program point L456(line 456) no Hoare annotation was computed. [2021-01-06 11:46:34,700 INFO L189 CegarLoopUtils]: For program point L423(line 423) no Hoare annotation was computed. [2021-01-06 11:46:34,700 INFO L189 CegarLoopUtils]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-01-06 11:46:34,701 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 11:46:34,701 INFO L189 CegarLoopUtils]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,701 INFO L189 CegarLoopUtils]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,701 INFO L189 CegarLoopUtils]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,701 INFO L189 CegarLoopUtils]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,701 INFO L189 CegarLoopUtils]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-01-06 11:46:34,701 INFO L189 CegarLoopUtils]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,701 INFO L189 CegarLoopUtils]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-01-06 11:46:34,701 INFO L189 CegarLoopUtils]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-01-06 11:46:34,702 INFO L189 CegarLoopUtils]: For program point L558(line 558) no Hoare annotation was computed. [2021-01-06 11:46:34,702 INFO L189 CegarLoopUtils]: For program point L525(line 525) no Hoare annotation was computed. [2021-01-06 11:46:34,702 INFO L189 CegarLoopUtils]: For program point L492(line 492) no Hoare annotation was computed. [2021-01-06 11:46:34,702 INFO L189 CegarLoopUtils]: For program point L459(line 459) no Hoare annotation was computed. [2021-01-06 11:46:34,702 INFO L189 CegarLoopUtils]: For program point L426(line 426) no Hoare annotation was computed. [2021-01-06 11:46:34,702 INFO L189 CegarLoopUtils]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-01-06 11:46:34,702 INFO L189 CegarLoopUtils]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-01-06 11:46:34,702 INFO L189 CegarLoopUtils]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-01-06 11:46:34,703 INFO L189 CegarLoopUtils]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-01-06 11:46:34,703 INFO L189 CegarLoopUtils]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-01-06 11:46:34,703 INFO L189 CegarLoopUtils]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-01-06 11:46:34,703 INFO L189 CegarLoopUtils]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,703 INFO L185 CegarLoopUtils]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse4 (= ~a20~0 1)) (.cse5 (<= ~a8~0 14)) (.cse1 (<= ~a7~0 0)) (.cse2 (<= 15 ~a8~0)) (.cse7 (= ~a21~0 1)) (.cse6 (<= ~a16~0 5)) (.cse8 (= ~a17~0 1)) (.cse3 (<= ~a20~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4) (and .cse5 .cse4) (and .cse6 .cse0 .cse3) (and .cse5 .cse6 .cse3) (and .cse7 (= ~a12~0 8) .cse1 .cse4 .cse8) (and .cse0 .cse4 (<= 5 ~a16~0)) (and .cse5 .cse6 (<= ~a21~0 0)) (and .cse7 .cse1 .cse8 .cse2 .cse3) (and .cse7 .cse6 .cse8 .cse3))) [2021-01-06 11:46:34,703 INFO L189 CegarLoopUtils]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,703 INFO L189 CegarLoopUtils]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,704 INFO L189 CegarLoopUtils]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,704 INFO L189 CegarLoopUtils]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,704 INFO L189 CegarLoopUtils]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-01-06 11:46:34,704 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 11:46:34,704 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 495) no Hoare annotation was computed. [2021-01-06 11:46:34,704 INFO L189 CegarLoopUtils]: For program point L561(line 561) no Hoare annotation was computed. [2021-01-06 11:46:34,704 INFO L189 CegarLoopUtils]: For program point L528(line 528) no Hoare annotation was computed. [2021-01-06 11:46:34,704 INFO L189 CegarLoopUtils]: For program point L495(line 495) no Hoare annotation was computed. [2021-01-06 11:46:34,705 INFO L189 CegarLoopUtils]: For program point L462(line 462) no Hoare annotation was computed. [2021-01-06 11:46:34,705 INFO L189 CegarLoopUtils]: For program point L429(line 429) no Hoare annotation was computed. [2021-01-06 11:46:34,705 INFO L189 CegarLoopUtils]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-01-06 11:46:34,705 INFO L189 CegarLoopUtils]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-01-06 11:46:34,705 INFO L189 CegarLoopUtils]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,705 INFO L189 CegarLoopUtils]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,705 INFO L189 CegarLoopUtils]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,705 INFO L189 CegarLoopUtils]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,706 INFO L189 CegarLoopUtils]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:34,706 INFO L189 CegarLoopUtils]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-01-06 11:46:34,706 INFO L189 CegarLoopUtils]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-01-06 11:46:34,706 INFO L189 CegarLoopUtils]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-01-06 11:46:34,706 INFO L189 CegarLoopUtils]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-01-06 11:46:34,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 11:46:34 BoogieIcfgContainer [2021-01-06 11:46:34,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 11:46:34,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 11:46:34,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 11:46:34,730 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 11:46:34,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:46:19" (3/4) ... [2021-01-06 11:46:34,734 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 11:46:34,757 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-01-06 11:46:34,759 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 11:46:34,760 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 11:46:34,761 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 11:46:34,919 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem01_label26.c-witness.graphml [2021-01-06 11:46:34,919 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 11:46:34,920 INFO L168 Benchmark]: Toolchain (without parser) took 17933.09 ms. Allocated memory was 157.3 MB in the beginning and 392.2 MB in the end (delta: 234.9 MB). Free memory was 131.3 MB in the beginning and 280.6 MB in the end (delta: -149.3 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. [2021-01-06 11:46:34,921 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 157.3 MB. Free memory is still 132.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 11:46:34,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.77 ms. Allocated memory is still 157.3 MB. Free memory was 131.1 MB in the beginning and 136.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 8.0 GB. [2021-01-06 11:46:34,922 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.86 ms. Allocated memory is still 157.3 MB. Free memory was 136.6 MB in the beginning and 130.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2021-01-06 11:46:34,922 INFO L168 Benchmark]: Boogie Preprocessor took 64.29 ms. Allocated memory is still 157.3 MB. Free memory was 130.9 MB in the beginning and 126.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-06 11:46:34,922 INFO L168 Benchmark]: RCFGBuilder took 1762.46 ms. Allocated memory was 157.3 MB in the beginning and 197.1 MB in the end (delta: 39.8 MB). Free memory was 126.1 MB in the beginning and 123.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 59.2 MB. Max. memory is 8.0 GB. [2021-01-06 11:46:34,923 INFO L168 Benchmark]: TraceAbstraction took 15008.92 ms. Allocated memory was 197.1 MB in the beginning and 392.2 MB in the end (delta: 195.0 MB). Free memory was 122.5 MB in the beginning and 295.8 MB in the end (delta: -173.3 MB). Peak memory consumption was 184.8 MB. Max. memory is 8.0 GB. [2021-01-06 11:46:34,923 INFO L168 Benchmark]: Witness Printer took 189.58 ms. Allocated memory is still 392.2 MB. Free memory was 295.8 MB in the beginning and 280.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-01-06 11:46:34,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 157.3 MB. Free memory is still 132.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 768.77 ms. Allocated memory is still 157.3 MB. Free memory was 131.1 MB in the beginning and 136.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 127.86 ms. Allocated memory is still 157.3 MB. Free memory was 136.6 MB in the beginning and 130.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 64.29 ms. Allocated memory is still 157.3 MB. Free memory was 130.9 MB in the beginning and 126.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1762.46 ms. Allocated memory was 157.3 MB in the beginning and 197.1 MB in the end (delta: 39.8 MB). Free memory was 126.1 MB in the beginning and 123.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 59.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15008.92 ms. Allocated memory was 197.1 MB in the beginning and 392.2 MB in the end (delta: 195.0 MB). Free memory was 122.5 MB in the beginning and 295.8 MB in the end (delta: -173.3 MB). Peak memory consumption was 184.8 MB. Max. memory is 8.0 GB. * Witness Printer took 189.58 ms. Allocated memory is still 392.2 MB. Free memory was 295.8 MB in the beginning and 280.6 MB in the end (delta: 15.2 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: 495]: 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: (((((((((((a17 <= 0 && a7 <= 0) && 15 <= a8) && a20 <= 0) || ((a17 <= 0 && a7 <= 0) && a20 == 1)) || (a8 <= 14 && a20 == 1)) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || ((a8 <= 14 && a16 <= 5) && a20 <= 0)) || ((((a21 == 1 && a12 == 8) && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a17 <= 0 && a20 == 1) && 5 <= a16)) || ((a8 <= 14 && a16 <= 5) && a21 <= 0)) || ((((a21 == 1 && a7 <= 0) && a17 == 1) && 15 <= a8) && a20 <= 0)) || (((a21 == 1 && a16 <= 5) && a17 == 1) && a20 <= 0) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((((((((a17 <= 0 && a7 <= 0) && 15 <= a8) && a20 <= 0) || ((a17 <= 0 && a7 <= 0) && a20 == 1)) || (a8 <= 14 && a20 == 1)) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || ((a8 <= 14 && a16 <= 5) && a20 <= 0)) || ((((a21 == 1 && a12 == 8) && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a17 <= 0 && a20 == 1) && 5 <= a16)) || ((a8 <= 14 && a16 <= 5) && a21 <= 0)) || ((((a21 == 1 && a7 <= 0) && a17 == 1) && 15 <= a8) && a20 <= 0)) || (((a21 == 1 && a16 <= 5) && a17 == 1) && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.8s, OverallIterations: 11, TraceHistogramMax: 7, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 943 SDtfs, 996 SDslu, 63 SDs, 0 SdLazy, 3750 SolverSat, 568 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1012 GetRequests, 988 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2755occurred in iteration=9, 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, 11 MinimizatonAttempts, 2096 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 233 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1374 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 462 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2547 NumberOfCodeBlocks, 2547 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2530 ConstructedInterpolants, 0 QuantifiedInterpolants, 929517 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2258 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 1580/1598 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...