/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_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:50:44,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:50:44,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:50:44,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:50:44,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:50:44,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:50:44,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:50:44,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:50:44,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:50:44,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:50:44,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:50:44,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:50:44,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:50:44,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:50:44,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:50:44,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:50:44,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:50:44,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:50:44,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:50:44,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:50:44,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:50:44,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:50:44,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:50:44,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:50:44,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 01:50:44,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 01:50:44,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 01:50:44,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 01:50:44,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 01:50:44,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 01:50:44,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 01:50:44,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 01:50:44,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 01:50:44,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 01:50:44,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 01:50:44,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 01:50:44,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 01:50:44,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 01:50:44,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:50:44,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:50:44,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:50:44,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 01:50:44,401 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:50:44,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:50:44,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:50:44,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:50:44,404 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:50:44,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:50:44,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:50:44,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:50:44,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:50:44,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:50:44,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:50:44,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:50:44,406 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:50:44,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:50:44,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:50:44,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:50:44,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:50:44,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:50:44,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:50:44,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:50:44,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:50:44,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:50:44,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:50:44,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:50:44,408 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:50:44,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:50:44,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:50:44,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:50:44,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:50:44,854 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:50:44,855 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:50:44,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2020-12-23 01:50:44,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cf3ab4928/b54722946e6c437fbcd9e7cf19369797/FLAG10bdffd96 [2020-12-23 01:50:45,769 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:50:45,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2020-12-23 01:50:45,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cf3ab4928/b54722946e6c437fbcd9e7cf19369797/FLAG10bdffd96 [2020-12-23 01:50:45,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cf3ab4928/b54722946e6c437fbcd9e7cf19369797 [2020-12-23 01:50:46,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:50:46,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:50:46,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:50:46,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:50:46,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:50:46,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:50:45" (1/1) ... [2020-12-23 01:50:46,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3579435a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:46, skipping insertion in model container [2020-12-23 01:50:46,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:50:45" (1/1) ... [2020-12-23 01:50:46,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:50:46,108 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] [2020-12-23 01:50:46,610 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_label04.c[17486,17499] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:50:46,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:50:46,675 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] [2020-12-23 01:50:46,805 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_label04.c[17486,17499] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:50:46,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:50:46,880 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:50:46,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:46 WrapperNode [2020-12-23 01:50:46,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:50:46,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:50:46,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:50:46,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:50:46,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:46" (1/1) ... [2020-12-23 01:50:46,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:46" (1/1) ... [2020-12-23 01:50:47,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:50:47,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:50:47,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:50:47,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:50:47,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:46" (1/1) ... [2020-12-23 01:50:47,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:46" (1/1) ... [2020-12-23 01:50:47,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:46" (1/1) ... [2020-12-23 01:50:47,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:46" (1/1) ... [2020-12-23 01:50:47,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:46" (1/1) ... [2020-12-23 01:50:47,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:46" (1/1) ... [2020-12-23 01:50:47,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:46" (1/1) ... [2020-12-23 01:50:47,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:50:47,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:50:47,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:50:47,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:50:47,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:50:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:50:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:50:47,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:50:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:50:49,071 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:50:49,071 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 01:50:49,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:50:49 BoogieIcfgContainer [2020-12-23 01:50:49,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:50:49,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:50:49,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:50:49,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:50:49,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:50:45" (1/3) ... [2020-12-23 01:50:49,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34945a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:50:49, skipping insertion in model container [2020-12-23 01:50:49,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:46" (2/3) ... [2020-12-23 01:50:49,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34945a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:50:49, skipping insertion in model container [2020-12-23 01:50:49,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:50:49" (3/3) ... [2020-12-23 01:50:49,085 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label04.c [2020-12-23 01:50:49,093 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:50:49,098 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:50:49,117 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:50:49,146 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:50:49,147 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:50:49,147 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:50:49,147 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:50:49,147 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:50:49,147 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:50:49,147 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:50:49,148 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:50:49,169 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-12-23 01:50:49,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 01:50:49,180 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:49,181 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] [2020-12-23 01:50:49,181 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:49,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:49,188 INFO L82 PathProgramCache]: Analyzing trace with hash 857742575, now seen corresponding path program 1 times [2020-12-23 01:50:49,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:49,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187316079] [2020-12-23 01:50:49,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:49,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:50:49,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187316079] [2020-12-23 01:50:49,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:49,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:49,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366993270] [2020-12-23 01:50:49,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:49,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:49,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:49,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:49,801 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2020-12-23 01:50:51,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:51,354 INFO L93 Difference]: Finished difference Result 553 states and 940 transitions. [2020-12-23 01:50:51,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:51,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-12-23 01:50:51,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:51,390 INFO L225 Difference]: With dead ends: 553 [2020-12-23 01:50:51,390 INFO L226 Difference]: Without dead ends: 266 [2020-12-23 01:50:51,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:51,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-12-23 01:50:51,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-12-23 01:50:51,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-12-23 01:50:51,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-12-23 01:50:51,508 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 96 [2020-12-23 01:50:51,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:51,510 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-12-23 01:50:51,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:51,510 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-12-23 01:50:51,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 01:50:51,520 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:51,521 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] [2020-12-23 01:50:51,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:50:51,522 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:51,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:51,524 INFO L82 PathProgramCache]: Analyzing trace with hash -164647294, now seen corresponding path program 1 times [2020-12-23 01:50:51,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:51,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348764850] [2020-12-23 01:50:51,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:51,609 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:50:51,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348764850] [2020-12-23 01:50:51,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:51,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:51,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285947423] [2020-12-23 01:50:51,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:51,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:51,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:51,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:51,614 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-12-23 01:50:52,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:52,610 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2020-12-23 01:50:52,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:52,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-12-23 01:50:52,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:52,618 INFO L225 Difference]: With dead ends: 792 [2020-12-23 01:50:52,619 INFO L226 Difference]: Without dead ends: 528 [2020-12-23 01:50:52,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:52,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-12-23 01:50:52,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-12-23 01:50:52,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-12-23 01:50:52,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 709 transitions. [2020-12-23 01:50:52,687 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 709 transitions. Word has length 102 [2020-12-23 01:50:52,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:52,688 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 709 transitions. [2020-12-23 01:50:52,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:52,688 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 709 transitions. [2020-12-23 01:50:52,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 01:50:52,690 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:52,691 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] [2020-12-23 01:50:52,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:50:52,691 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:52,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:52,692 INFO L82 PathProgramCache]: Analyzing trace with hash -138483326, now seen corresponding path program 1 times [2020-12-23 01:50:52,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:52,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842293170] [2020-12-23 01:50:52,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:52,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 01:50:52,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842293170] [2020-12-23 01:50:52,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:52,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:52,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171382973] [2020-12-23 01:50:52,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:52,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:52,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:52,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:52,853 INFO L87 Difference]: Start difference. First operand 528 states and 709 transitions. Second operand 3 states. [2020-12-23 01:50:53,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:53,867 INFO L93 Difference]: Finished difference Result 1578 states and 2122 transitions. [2020-12-23 01:50:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:53,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-12-23 01:50:53,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:53,875 INFO L225 Difference]: With dead ends: 1578 [2020-12-23 01:50:53,876 INFO L226 Difference]: Without dead ends: 1052 [2020-12-23 01:50:53,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:53,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-12-23 01:50:53,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2020-12-23 01:50:53,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-12-23 01:50:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1365 transitions. [2020-12-23 01:50:53,906 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1365 transitions. Word has length 103 [2020-12-23 01:50:53,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:53,907 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1365 transitions. [2020-12-23 01:50:53,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1365 transitions. [2020-12-23 01:50:53,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-23 01:50:53,911 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:53,911 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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] [2020-12-23 01:50:53,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 01:50:53,912 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:53,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:53,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1063346350, now seen corresponding path program 1 times [2020-12-23 01:50:53,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:53,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278984346] [2020-12-23 01:50:53,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-23 01:50:54,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278984346] [2020-12-23 01:50:54,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:54,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:50:54,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657104893] [2020-12-23 01:50:54,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:54,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:54,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:54,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:54,031 INFO L87 Difference]: Start difference. First operand 1052 states and 1365 transitions. Second operand 3 states. [2020-12-23 01:50:55,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:55,002 INFO L93 Difference]: Finished difference Result 2888 states and 3762 transitions. [2020-12-23 01:50:55,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:55,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-12-23 01:50:55,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:55,012 INFO L225 Difference]: With dead ends: 2888 [2020-12-23 01:50:55,013 INFO L226 Difference]: Without dead ends: 1838 [2020-12-23 01:50:55,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:55,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-12-23 01:50:55,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1314. [2020-12-23 01:50:55,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-12-23 01:50:55,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1646 transitions. [2020-12-23 01:50:55,053 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1646 transitions. Word has length 116 [2020-12-23 01:50:55,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:55,054 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1646 transitions. [2020-12-23 01:50:55,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1646 transitions. [2020-12-23 01:50:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 01:50:55,057 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:55,057 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:55,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 01:50:55,058 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:55,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:55,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1362792924, now seen corresponding path program 1 times [2020-12-23 01:50:55,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:55,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638378614] [2020-12-23 01:50:55,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:55,211 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:50:55,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638378614] [2020-12-23 01:50:55,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:55,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:50:55,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123669633] [2020-12-23 01:50:55,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:55,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:55,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:55,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:55,216 INFO L87 Difference]: Start difference. First operand 1314 states and 1646 transitions. Second operand 3 states. [2020-12-23 01:50:56,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:56,183 INFO L93 Difference]: Finished difference Result 3936 states and 4933 transitions. [2020-12-23 01:50:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:56,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-12-23 01:50:56,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:56,196 INFO L225 Difference]: With dead ends: 3936 [2020-12-23 01:50:56,196 INFO L226 Difference]: Without dead ends: 2624 [2020-12-23 01:50:56,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:56,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-12-23 01:50:56,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2231. [2020-12-23 01:50:56,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-12-23 01:50:56,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2725 transitions. [2020-12-23 01:50:56,259 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2725 transitions. Word has length 119 [2020-12-23 01:50:56,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:56,259 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2725 transitions. [2020-12-23 01:50:56,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2725 transitions. [2020-12-23 01:50:56,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-23 01:50:56,264 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:56,264 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:56,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 01:50:56,264 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:56,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:56,265 INFO L82 PathProgramCache]: Analyzing trace with hash -2133421455, now seen corresponding path program 1 times [2020-12-23 01:50:56,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:56,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532741407] [2020-12-23 01:50:56,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:56,355 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:50:56,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532741407] [2020-12-23 01:50:56,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:56,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:50:56,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92013506] [2020-12-23 01:50:56,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 01:50:56,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:56,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 01:50:56,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:50:56,359 INFO L87 Difference]: Start difference. First operand 2231 states and 2725 transitions. Second operand 4 states. [2020-12-23 01:50:57,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:57,746 INFO L93 Difference]: Finished difference Result 4853 states and 5865 transitions. [2020-12-23 01:50:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 01:50:57,747 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2020-12-23 01:50:57,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:57,760 INFO L225 Difference]: With dead ends: 4853 [2020-12-23 01:50:57,761 INFO L226 Difference]: Without dead ends: 2755 [2020-12-23 01:50:57,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:50:57,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2020-12-23 01:50:57,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2362. [2020-12-23 01:50:57,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-12-23 01:50:57,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2850 transitions. [2020-12-23 01:50:57,819 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2850 transitions. Word has length 122 [2020-12-23 01:50:57,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:57,820 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2850 transitions. [2020-12-23 01:50:57,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 01:50:57,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2850 transitions. [2020-12-23 01:50:57,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-23 01:50:57,825 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:57,825 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2020-12-23 01:50:57,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 01:50:57,826 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:57,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:57,826 INFO L82 PathProgramCache]: Analyzing trace with hash -550379694, now seen corresponding path program 1 times [2020-12-23 01:50:57,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:57,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142788670] [2020-12-23 01:50:57,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:57,910 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-23 01:50:57,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142788670] [2020-12-23 01:50:57,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:57,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:57,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093177578] [2020-12-23 01:50:57,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:57,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:57,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:57,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:57,913 INFO L87 Difference]: Start difference. First operand 2362 states and 2850 transitions. Second operand 3 states. [2020-12-23 01:50:58,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:58,838 INFO L93 Difference]: Finished difference Result 4853 states and 5829 transitions. [2020-12-23 01:50:58,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:58,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-12-23 01:50:58,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:58,854 INFO L225 Difference]: With dead ends: 4853 [2020-12-23 01:50:58,855 INFO L226 Difference]: Without dead ends: 2362 [2020-12-23 01:50:58,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:58,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-12-23 01:50:58,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2362. [2020-12-23 01:50:58,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-12-23 01:50:58,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2637 transitions. [2020-12-23 01:50:58,922 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2637 transitions. Word has length 123 [2020-12-23 01:50:58,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:58,922 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2637 transitions. [2020-12-23 01:50:58,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:58,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2637 transitions. [2020-12-23 01:50:58,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-23 01:50:58,927 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:58,927 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:58,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 01:50:58,927 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:58,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:58,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1316619802, now seen corresponding path program 1 times [2020-12-23 01:50:58,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:58,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748178549] [2020-12-23 01:50:58,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:58,999 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-23 01:50:59,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748178549] [2020-12-23 01:50:59,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:59,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:59,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30203652] [2020-12-23 01:50:59,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:59,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:59,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:59,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:59,002 INFO L87 Difference]: Start difference. First operand 2362 states and 2637 transitions. Second operand 3 states. [2020-12-23 01:50:59,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:59,873 INFO L93 Difference]: Finished difference Result 4591 states and 5134 transitions. [2020-12-23 01:50:59,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:59,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-12-23 01:50:59,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:59,884 INFO L225 Difference]: With dead ends: 4591 [2020-12-23 01:50:59,884 INFO L226 Difference]: Without dead ends: 2362 [2020-12-23 01:50:59,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:59,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-12-23 01:50:59,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2362. [2020-12-23 01:50:59,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-12-23 01:50:59,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2594 transitions. [2020-12-23 01:50:59,944 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2594 transitions. Word has length 127 [2020-12-23 01:50:59,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:59,944 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2594 transitions. [2020-12-23 01:50:59,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2594 transitions. [2020-12-23 01:50:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-23 01:50:59,950 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:59,950 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:59,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 01:50:59,951 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:59,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:59,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1756133756, now seen corresponding path program 1 times [2020-12-23 01:50:59,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:59,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730213870] [2020-12-23 01:50:59,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-23 01:51:00,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730213870] [2020-12-23 01:51:00,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:51:00,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:51:00,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3943886] [2020-12-23 01:51:00,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:00,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:00,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:00,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:51:00,025 INFO L87 Difference]: Start difference. First operand 2362 states and 2594 transitions. Second operand 3 states. [2020-12-23 01:51:01,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:01,062 INFO L93 Difference]: Finished difference Result 5377 states and 5944 transitions. [2020-12-23 01:51:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:01,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-12-23 01:51:01,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:01,077 INFO L225 Difference]: With dead ends: 5377 [2020-12-23 01:51:01,078 INFO L226 Difference]: Without dead ends: 3148 [2020-12-23 01:51:01,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:51:01,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-12-23 01:51:01,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3017. [2020-12-23 01:51:01,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-12-23 01:51:01,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3345 transitions. [2020-12-23 01:51:01,158 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3345 transitions. Word has length 136 [2020-12-23 01:51:01,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:01,159 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3345 transitions. [2020-12-23 01:51:01,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:01,159 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3345 transitions. [2020-12-23 01:51:01,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-23 01:51:01,165 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:01,165 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:51:01,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 01:51:01,166 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:01,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:01,166 INFO L82 PathProgramCache]: Analyzing trace with hash 10901207, now seen corresponding path program 1 times [2020-12-23 01:51:01,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:01,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406210810] [2020-12-23 01:51:01,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-12-23 01:51:01,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406210810] [2020-12-23 01:51:01,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:51:01,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:51:01,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287074169] [2020-12-23 01:51:01,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:01,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:01,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:01,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:51:01,259 INFO L87 Difference]: Start difference. First operand 3017 states and 3345 transitions. Second operand 3 states. [2020-12-23 01:51:02,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:02,037 INFO L93 Difference]: Finished difference Result 6032 states and 6690 transitions. [2020-12-23 01:51:02,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:02,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-12-23 01:51:02,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:02,050 INFO L225 Difference]: With dead ends: 6032 [2020-12-23 01:51:02,051 INFO L226 Difference]: Without dead ends: 3148 [2020-12-23 01:51:02,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:51:02,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-12-23 01:51:02,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3017. [2020-12-23 01:51:02,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-12-23 01:51:02,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3335 transitions. [2020-12-23 01:51:02,113 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3335 transitions. Word has length 155 [2020-12-23 01:51:02,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:02,113 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3335 transitions. [2020-12-23 01:51:02,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:02,114 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3335 transitions. [2020-12-23 01:51:02,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-23 01:51:02,123 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:02,123 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:51:02,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 01:51:02,123 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:02,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:02,124 INFO L82 PathProgramCache]: Analyzing trace with hash -323217905, now seen corresponding path program 1 times [2020-12-23 01:51:02,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:02,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417805748] [2020-12-23 01:51:02,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:02,274 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 83 proven. 3 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-12-23 01:51:02,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417805748] [2020-12-23 01:51:02,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538515345] [2020-12-23 01:51:02,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:51:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:02,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:51:02,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:51:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-12-23 01:51:02,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:51:02,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:51:02,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052352497] [2020-12-23 01:51:02,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:02,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:02,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:02,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:02,927 INFO L87 Difference]: Start difference. First operand 3017 states and 3335 transitions. Second operand 3 states. [2020-12-23 01:51:03,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:03,918 INFO L93 Difference]: Finished difference Result 6687 states and 7432 transitions. [2020-12-23 01:51:03,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:03,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-12-23 01:51:03,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:03,939 INFO L225 Difference]: With dead ends: 6687 [2020-12-23 01:51:03,940 INFO L226 Difference]: Without dead ends: 3803 [2020-12-23 01:51:03,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:03,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3803 states. [2020-12-23 01:51:04,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3803 to 3148. [2020-12-23 01:51:04,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3148 states. [2020-12-23 01:51:04,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3478 transitions. [2020-12-23 01:51:04,039 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3478 transitions. Word has length 171 [2020-12-23 01:51:04,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:04,044 INFO L481 AbstractCegarLoop]: Abstraction has 3148 states and 3478 transitions. [2020-12-23 01:51:04,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:04,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3478 transitions. [2020-12-23 01:51:04,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-12-23 01:51:04,054 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:04,055 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:51:04,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 01:51:04,270 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:04,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:04,272 INFO L82 PathProgramCache]: Analyzing trace with hash -206440171, now seen corresponding path program 1 times [2020-12-23 01:51:04,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:04,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015530079] [2020-12-23 01:51:04,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:04,411 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 100 proven. 3 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-12-23 01:51:04,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015530079] [2020-12-23 01:51:04,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811028634] [2020-12-23 01:51:04,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:51:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:04,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:51:04,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:51:05,108 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-12-23 01:51:05,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:51:05,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:51:05,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996503481] [2020-12-23 01:51:05,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:05,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:05,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:05,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:05,111 INFO L87 Difference]: Start difference. First operand 3148 states and 3478 transitions. Second operand 3 states. [2020-12-23 01:51:05,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:05,867 INFO L93 Difference]: Finished difference Result 3543 states and 3917 transitions. [2020-12-23 01:51:05,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:05,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-12-23 01:51:05,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:05,885 INFO L225 Difference]: With dead ends: 3543 [2020-12-23 01:51:05,885 INFO L226 Difference]: Without dead ends: 3541 [2020-12-23 01:51:05,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:05,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3541 states. [2020-12-23 01:51:05,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3541 to 3410. [2020-12-23 01:51:05,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3410 states. [2020-12-23 01:51:05,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 3775 transitions. [2020-12-23 01:51:05,958 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 3775 transitions. Word has length 204 [2020-12-23 01:51:05,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:05,959 INFO L481 AbstractCegarLoop]: Abstraction has 3410 states and 3775 transitions. [2020-12-23 01:51:05,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:05,959 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 3775 transitions. [2020-12-23 01:51:05,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-12-23 01:51:05,969 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:05,970 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 01:51:06,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 01:51:06,185 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:06,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:06,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1889266416, now seen corresponding path program 1 times [2020-12-23 01:51:06,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:06,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048780172] [2020-12-23 01:51:06,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:06,330 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-12-23 01:51:06,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048780172] [2020-12-23 01:51:06,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731116770] [2020-12-23 01:51:06,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:51:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:06,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:51:06,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:51:06,840 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-23 01:51:06,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:51:06,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:51:06,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215658081] [2020-12-23 01:51:06,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:06,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:06,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:06,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:06,843 INFO L87 Difference]: Start difference. First operand 3410 states and 3775 transitions. Second operand 3 states. [2020-12-23 01:51:07,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:07,690 INFO L93 Difference]: Finished difference Result 6687 states and 7414 transitions. [2020-12-23 01:51:07,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:07,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-12-23 01:51:07,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:07,722 INFO L225 Difference]: With dead ends: 6687 [2020-12-23 01:51:07,722 INFO L226 Difference]: Without dead ends: 3410 [2020-12-23 01:51:07,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:07,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2020-12-23 01:51:07,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3148. [2020-12-23 01:51:07,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3148 states. [2020-12-23 01:51:07,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3448 transitions. [2020-12-23 01:51:07,803 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3448 transitions. Word has length 217 [2020-12-23 01:51:07,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:07,803 INFO L481 AbstractCegarLoop]: Abstraction has 3148 states and 3448 transitions. [2020-12-23 01:51:07,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:07,803 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3448 transitions. [2020-12-23 01:51:07,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-12-23 01:51:07,813 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:07,814 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:51:08,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-23 01:51:08,028 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:08,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:08,029 INFO L82 PathProgramCache]: Analyzing trace with hash 176414282, now seen corresponding path program 1 times [2020-12-23 01:51:08,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:08,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43041845] [2020-12-23 01:51:08,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:08,210 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 119 proven. 3 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2020-12-23 01:51:08,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43041845] [2020-12-23 01:51:08,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665496556] [2020-12-23 01:51:08,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:51:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:08,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 01:51:08,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:51:08,893 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-12-23 01:51:08,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:51:08,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:51:08,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374056944] [2020-12-23 01:51:08,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:08,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:08,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:08,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:08,897 INFO L87 Difference]: Start difference. First operand 3148 states and 3448 transitions. Second operand 3 states. [2020-12-23 01:51:09,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:09,847 INFO L93 Difference]: Finished difference Result 6030 states and 6607 transitions. [2020-12-23 01:51:09,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:09,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-12-23 01:51:09,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:09,849 INFO L225 Difference]: With dead ends: 6030 [2020-12-23 01:51:09,849 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 01:51:09,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:09,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 01:51:09,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 01:51:09,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 01:51:09,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 01:51:09,856 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2020-12-23 01:51:09,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:09,856 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 01:51:09,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:09,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 01:51:09,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 01:51:10,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:51:10,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 01:51:10,558 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-23 01:51:10,958 WARN L197 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-23 01:51:10,963 INFO L189 CegarLoopUtils]: For program point L564(line 564) no Hoare annotation was computed. [2020-12-23 01:51:10,963 INFO L189 CegarLoopUtils]: For program point L531(line 531) no Hoare annotation was computed. [2020-12-23 01:51:10,963 INFO L189 CegarLoopUtils]: For program point L498(line 498) no Hoare annotation was computed. [2020-12-23 01:51:10,963 INFO L189 CegarLoopUtils]: For program point L465(line 465) no Hoare annotation was computed. [2020-12-23 01:51:10,963 INFO L189 CegarLoopUtils]: For program point L432(line 432) no Hoare annotation was computed. [2020-12-23 01:51:10,964 INFO L189 CegarLoopUtils]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-12-23 01:51:10,964 INFO L189 CegarLoopUtils]: For program point L598(line 598) no Hoare annotation was computed. [2020-12-23 01:51:10,964 INFO L189 CegarLoopUtils]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-12-23 01:51:10,964 INFO L189 CegarLoopUtils]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,964 INFO L189 CegarLoopUtils]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,964 INFO L189 CegarLoopUtils]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,964 INFO L189 CegarLoopUtils]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,965 INFO L189 CegarLoopUtils]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-12-23 01:51:10,965 INFO L189 CegarLoopUtils]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,965 INFO L189 CegarLoopUtils]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,965 INFO L189 CegarLoopUtils]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-12-23 01:51:10,965 INFO L189 CegarLoopUtils]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-12-23 01:51:10,965 INFO L189 CegarLoopUtils]: For program point L567(line 567) no Hoare annotation was computed. [2020-12-23 01:51:10,966 INFO L189 CegarLoopUtils]: For program point L534(line 534) no Hoare annotation was computed. [2020-12-23 01:51:10,966 INFO L189 CegarLoopUtils]: For program point L501(line 501) no Hoare annotation was computed. [2020-12-23 01:51:10,966 INFO L189 CegarLoopUtils]: For program point L468(line 468) no Hoare annotation was computed. [2020-12-23 01:51:10,966 INFO L189 CegarLoopUtils]: For program point L435(line 435) no Hoare annotation was computed. [2020-12-23 01:51:10,966 INFO L189 CegarLoopUtils]: For program point L402(line 402) no Hoare annotation was computed. [2020-12-23 01:51:10,966 INFO L189 CegarLoopUtils]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-12-23 01:51:10,966 INFO L189 CegarLoopUtils]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-12-23 01:51:10,966 INFO L189 CegarLoopUtils]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-12-23 01:51:10,967 INFO L189 CegarLoopUtils]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-12-23 01:51:10,967 INFO L189 CegarLoopUtils]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,967 INFO L189 CegarLoopUtils]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,967 INFO L189 CegarLoopUtils]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,967 INFO L189 CegarLoopUtils]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,967 INFO L189 CegarLoopUtils]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,967 INFO L189 CegarLoopUtils]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-12-23 01:51:10,967 INFO L189 CegarLoopUtils]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,967 INFO L189 CegarLoopUtils]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-12-23 01:51:10,968 INFO L189 CegarLoopUtils]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-12-23 01:51:10,968 INFO L189 CegarLoopUtils]: For program point L570(line 570) no Hoare annotation was computed. [2020-12-23 01:51:10,968 INFO L189 CegarLoopUtils]: For program point L537(line 537) no Hoare annotation was computed. [2020-12-23 01:51:10,968 INFO L189 CegarLoopUtils]: For program point L504(line 504) no Hoare annotation was computed. [2020-12-23 01:51:10,968 INFO L189 CegarLoopUtils]: For program point L471(line 471) no Hoare annotation was computed. [2020-12-23 01:51:10,968 INFO L189 CegarLoopUtils]: For program point L438(line 438) no Hoare annotation was computed. [2020-12-23 01:51:10,968 INFO L189 CegarLoopUtils]: For program point L405(line 405) no Hoare annotation was computed. [2020-12-23 01:51:10,968 INFO L189 CegarLoopUtils]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-12-23 01:51:10,968 INFO L189 CegarLoopUtils]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-12-23 01:51:10,969 INFO L189 CegarLoopUtils]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-12-23 01:51:10,969 INFO L189 CegarLoopUtils]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-12-23 01:51:10,969 INFO L189 CegarLoopUtils]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-12-23 01:51:10,969 INFO L189 CegarLoopUtils]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-12-23 01:51:10,969 INFO L189 CegarLoopUtils]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,969 INFO L189 CegarLoopUtils]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,969 INFO L189 CegarLoopUtils]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,969 INFO L189 CegarLoopUtils]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,969 INFO L189 CegarLoopUtils]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,970 INFO L189 CegarLoopUtils]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,970 INFO L189 CegarLoopUtils]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-12-23 01:51:10,970 INFO L189 CegarLoopUtils]: For program point L573(line 573) no Hoare annotation was computed. [2020-12-23 01:51:10,970 INFO L189 CegarLoopUtils]: For program point L540(line 540) no Hoare annotation was computed. [2020-12-23 01:51:10,970 INFO L189 CegarLoopUtils]: For program point L507(line 507) no Hoare annotation was computed. [2020-12-23 01:51:10,970 INFO L189 CegarLoopUtils]: For program point L474(line 474) no Hoare annotation was computed. [2020-12-23 01:51:10,970 INFO L189 CegarLoopUtils]: For program point L441(line 441) no Hoare annotation was computed. [2020-12-23 01:51:10,970 INFO L189 CegarLoopUtils]: For program point L408(line 408) no Hoare annotation was computed. [2020-12-23 01:51:10,970 INFO L189 CegarLoopUtils]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-12-23 01:51:10,970 INFO L189 CegarLoopUtils]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-12-23 01:51:10,971 INFO L189 CegarLoopUtils]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-12-23 01:51:10,971 INFO L189 CegarLoopUtils]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-12-23 01:51:10,971 INFO L189 CegarLoopUtils]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-12-23 01:51:10,971 INFO L189 CegarLoopUtils]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,971 INFO L189 CegarLoopUtils]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,971 INFO L189 CegarLoopUtils]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,971 INFO L189 CegarLoopUtils]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,971 INFO L189 CegarLoopUtils]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,971 INFO L189 CegarLoopUtils]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,972 INFO L189 CegarLoopUtils]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-12-23 01:51:10,972 INFO L189 CegarLoopUtils]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-12-23 01:51:10,972 INFO L189 CegarLoopUtils]: For program point L576(line 576) no Hoare annotation was computed. [2020-12-23 01:51:10,972 INFO L189 CegarLoopUtils]: For program point L543(line 543) no Hoare annotation was computed. [2020-12-23 01:51:10,972 INFO L189 CegarLoopUtils]: For program point L510(line 510) no Hoare annotation was computed. [2020-12-23 01:51:10,972 INFO L189 CegarLoopUtils]: For program point L477(line 477) no Hoare annotation was computed. [2020-12-23 01:51:10,972 INFO L189 CegarLoopUtils]: For program point L444(line 444) no Hoare annotation was computed. [2020-12-23 01:51:10,972 INFO L189 CegarLoopUtils]: For program point L411(line 411) no Hoare annotation was computed. [2020-12-23 01:51:10,972 INFO L189 CegarLoopUtils]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-12-23 01:51:10,973 INFO L189 CegarLoopUtils]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-12-23 01:51:10,973 INFO L189 CegarLoopUtils]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,973 INFO L189 CegarLoopUtils]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,973 INFO L189 CegarLoopUtils]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,973 INFO L189 CegarLoopUtils]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,973 INFO L189 CegarLoopUtils]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,973 INFO L189 CegarLoopUtils]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,973 INFO L189 CegarLoopUtils]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-12-23 01:51:10,973 INFO L189 CegarLoopUtils]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-12-23 01:51:10,973 INFO L189 CegarLoopUtils]: For program point L579(line 579) no Hoare annotation was computed. [2020-12-23 01:51:10,974 INFO L189 CegarLoopUtils]: For program point L546(line 546) no Hoare annotation was computed. [2020-12-23 01:51:10,974 INFO L189 CegarLoopUtils]: For program point L513(line 513) no Hoare annotation was computed. [2020-12-23 01:51:10,974 INFO L189 CegarLoopUtils]: For program point L480(line 480) no Hoare annotation was computed. [2020-12-23 01:51:10,974 INFO L189 CegarLoopUtils]: For program point L447(line 447) no Hoare annotation was computed. [2020-12-23 01:51:10,974 INFO L189 CegarLoopUtils]: For program point L414(line 414) no Hoare annotation was computed. [2020-12-23 01:51:10,974 INFO L189 CegarLoopUtils]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-12-23 01:51:10,974 INFO L189 CegarLoopUtils]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-12-23 01:51:10,974 INFO L189 CegarLoopUtils]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-12-23 01:51:10,974 INFO L189 CegarLoopUtils]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-12-23 01:51:10,974 INFO L189 CegarLoopUtils]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-12-23 01:51:10,975 INFO L189 CegarLoopUtils]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-12-23 01:51:10,975 INFO L189 CegarLoopUtils]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-12-23 01:51:10,975 INFO L189 CegarLoopUtils]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,975 INFO L189 CegarLoopUtils]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,975 INFO L189 CegarLoopUtils]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,975 INFO L189 CegarLoopUtils]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,975 INFO L189 CegarLoopUtils]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,975 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 01:51:10,975 INFO L189 CegarLoopUtils]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-12-23 01:51:10,975 INFO L189 CegarLoopUtils]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-12-23 01:51:10,976 INFO L189 CegarLoopUtils]: For program point L582(line 582) no Hoare annotation was computed. [2020-12-23 01:51:10,976 INFO L189 CegarLoopUtils]: For program point L549(line 549) no Hoare annotation was computed. [2020-12-23 01:51:10,976 INFO L189 CegarLoopUtils]: For program point L516(line 516) no Hoare annotation was computed. [2020-12-23 01:51:10,976 INFO L189 CegarLoopUtils]: For program point L483(line 483) no Hoare annotation was computed. [2020-12-23 01:51:10,976 INFO L189 CegarLoopUtils]: For program point L450(line 450) no Hoare annotation was computed. [2020-12-23 01:51:10,976 INFO L189 CegarLoopUtils]: For program point L417(line 417) no Hoare annotation was computed. [2020-12-23 01:51:10,976 INFO L189 CegarLoopUtils]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-12-23 01:51:10,977 INFO L185 CegarLoopUtils]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 13)) (.cse0 (<= ~a16~0 4)) (.cse4 (= ~a20~0 1)) (.cse11 (= ~a17~0 1))) (let ((.cse6 (<= 15 ~a8~0)) (.cse5 (let ((.cse12 (= ~a7~0 0))) (or (and .cse12 .cse2) (and .cse0 .cse4 .cse12 .cse11)))) (.cse10 (not .cse4)) (.cse9 (not .cse11)) (.cse1 (<= ~a21~0 0)) (.cse7 (<= 14 ~a8~0)) (.cse3 (= ~a21~0 1)) (.cse8 (<= ~a16~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse3 .cse6) (and .cse7 .cse8 .cse9 .cse10) (and .cse9 .cse10 .cse6) (and .cse0 .cse4 .cse2) (and .cse8 .cse9 .cse5 .cse10) (and .cse9 .cse0 .cse2) (and .cse1 .cse4 .cse2) (and .cse7 .cse3 .cse8 .cse4)))) [2020-12-23 01:51:10,977 INFO L189 CegarLoopUtils]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,977 INFO L189 CegarLoopUtils]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,977 INFO L189 CegarLoopUtils]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,977 INFO L189 CegarLoopUtils]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,978 INFO L189 CegarLoopUtils]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,978 INFO L189 CegarLoopUtils]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-12-23 01:51:10,978 INFO L189 CegarLoopUtils]: For program point L552(line 552) no Hoare annotation was computed. [2020-12-23 01:51:10,978 INFO L189 CegarLoopUtils]: For program point L519(line 519) no Hoare annotation was computed. [2020-12-23 01:51:10,978 INFO L189 CegarLoopUtils]: For program point L486(line 486) no Hoare annotation was computed. [2020-12-23 01:51:10,978 INFO L189 CegarLoopUtils]: For program point L453(line 453) no Hoare annotation was computed. [2020-12-23 01:51:10,978 INFO L189 CegarLoopUtils]: For program point L420(line 420) no Hoare annotation was computed. [2020-12-23 01:51:10,978 INFO L189 CegarLoopUtils]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-12-23 01:51:10,978 INFO L189 CegarLoopUtils]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-12-23 01:51:10,979 INFO L189 CegarLoopUtils]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-12-23 01:51:10,979 INFO L189 CegarLoopUtils]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-12-23 01:51:10,979 INFO L189 CegarLoopUtils]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-12-23 01:51:10,979 INFO L189 CegarLoopUtils]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-12-23 01:51:10,979 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 01:51:10,979 INFO L189 CegarLoopUtils]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-12-23 01:51:10,979 INFO L192 CegarLoopUtils]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-12-23 01:51:10,979 INFO L189 CegarLoopUtils]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,979 INFO L189 CegarLoopUtils]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,980 INFO L189 CegarLoopUtils]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,980 INFO L189 CegarLoopUtils]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,980 INFO L189 CegarLoopUtils]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,980 INFO L189 CegarLoopUtils]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-12-23 01:51:10,980 INFO L189 CegarLoopUtils]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-12-23 01:51:10,980 INFO L189 CegarLoopUtils]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-12-23 01:51:10,980 INFO L189 CegarLoopUtils]: For program point L555(line 555) no Hoare annotation was computed. [2020-12-23 01:51:10,980 INFO L189 CegarLoopUtils]: For program point L522(line 522) no Hoare annotation was computed. [2020-12-23 01:51:10,980 INFO L189 CegarLoopUtils]: For program point L489(line 489) no Hoare annotation was computed. [2020-12-23 01:51:10,981 INFO L189 CegarLoopUtils]: For program point L456(line 456) no Hoare annotation was computed. [2020-12-23 01:51:10,981 INFO L189 CegarLoopUtils]: For program point L423(line 423) no Hoare annotation was computed. [2020-12-23 01:51:10,981 INFO L189 CegarLoopUtils]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-12-23 01:51:10,981 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 01:51:10,981 INFO L189 CegarLoopUtils]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,981 INFO L189 CegarLoopUtils]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,981 INFO L189 CegarLoopUtils]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,981 INFO L189 CegarLoopUtils]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,982 INFO L189 CegarLoopUtils]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-12-23 01:51:10,982 INFO L189 CegarLoopUtils]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,982 INFO L189 CegarLoopUtils]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-12-23 01:51:10,982 INFO L189 CegarLoopUtils]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-12-23 01:51:10,982 INFO L189 CegarLoopUtils]: For program point L558(line 558) no Hoare annotation was computed. [2020-12-23 01:51:10,982 INFO L189 CegarLoopUtils]: For program point L525(line 525) no Hoare annotation was computed. [2020-12-23 01:51:10,982 INFO L189 CegarLoopUtils]: For program point L492(line 492) no Hoare annotation was computed. [2020-12-23 01:51:10,982 INFO L189 CegarLoopUtils]: For program point L459(line 459) no Hoare annotation was computed. [2020-12-23 01:51:10,982 INFO L189 CegarLoopUtils]: For program point L426(line 426) no Hoare annotation was computed. [2020-12-23 01:51:10,983 INFO L189 CegarLoopUtils]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-12-23 01:51:10,983 INFO L189 CegarLoopUtils]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-12-23 01:51:10,983 INFO L189 CegarLoopUtils]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-12-23 01:51:10,983 INFO L189 CegarLoopUtils]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-12-23 01:51:10,983 INFO L189 CegarLoopUtils]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-12-23 01:51:10,983 INFO L189 CegarLoopUtils]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-12-23 01:51:10,983 INFO L189 CegarLoopUtils]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,984 INFO L185 CegarLoopUtils]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 13)) (.cse0 (<= ~a16~0 4)) (.cse4 (= ~a20~0 1)) (.cse11 (= ~a17~0 1))) (let ((.cse6 (<= 15 ~a8~0)) (.cse5 (let ((.cse12 (= ~a7~0 0))) (or (and .cse12 .cse2) (and .cse0 .cse4 .cse12 .cse11)))) (.cse10 (not .cse4)) (.cse9 (not .cse11)) (.cse1 (<= ~a21~0 0)) (.cse7 (<= 14 ~a8~0)) (.cse3 (= ~a21~0 1)) (.cse8 (<= ~a16~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse3 .cse6) (and .cse7 .cse8 .cse9 .cse10) (and .cse9 .cse10 .cse6) (and .cse0 .cse4 .cse2) (and .cse8 .cse9 .cse5 .cse10) (and .cse9 .cse0 .cse2) (and .cse1 .cse4 .cse2) (and .cse7 .cse3 .cse8 .cse4)))) [2020-12-23 01:51:10,984 INFO L189 CegarLoopUtils]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,984 INFO L189 CegarLoopUtils]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,984 INFO L189 CegarLoopUtils]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,984 INFO L189 CegarLoopUtils]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,984 INFO L189 CegarLoopUtils]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-12-23 01:51:10,984 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 01:51:10,984 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 474) no Hoare annotation was computed. [2020-12-23 01:51:10,985 INFO L189 CegarLoopUtils]: For program point L561(line 561) no Hoare annotation was computed. [2020-12-23 01:51:10,985 INFO L189 CegarLoopUtils]: For program point L528(line 528) no Hoare annotation was computed. [2020-12-23 01:51:10,985 INFO L189 CegarLoopUtils]: For program point L495(line 495) no Hoare annotation was computed. [2020-12-23 01:51:10,985 INFO L189 CegarLoopUtils]: For program point L462(line 462) no Hoare annotation was computed. [2020-12-23 01:51:10,990 INFO L189 CegarLoopUtils]: For program point L429(line 429) no Hoare annotation was computed. [2020-12-23 01:51:10,990 INFO L189 CegarLoopUtils]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-12-23 01:51:10,990 INFO L189 CegarLoopUtils]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-12-23 01:51:10,991 INFO L189 CegarLoopUtils]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,991 INFO L189 CegarLoopUtils]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,991 INFO L189 CegarLoopUtils]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,991 INFO L189 CegarLoopUtils]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,991 INFO L189 CegarLoopUtils]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:10,991 INFO L189 CegarLoopUtils]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-12-23 01:51:10,991 INFO L189 CegarLoopUtils]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-12-23 01:51:10,991 INFO L189 CegarLoopUtils]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-12-23 01:51:10,991 INFO L189 CegarLoopUtils]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-12-23 01:51:11,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:51:11 BoogieIcfgContainer [2020-12-23 01:51:11,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 01:51:11,017 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 01:51:11,017 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 01:51:11,018 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 01:51:11,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:50:49" (3/4) ... [2020-12-23 01:51:11,022 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 01:51:11,047 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 01:51:11,049 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 01:51:11,050 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:51:11,051 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:51:11,229 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem01_label04.c-witness.graphml [2020-12-23 01:51:11,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 01:51:11,231 INFO L168 Benchmark]: Toolchain (without parser) took 25225.68 ms. Allocated memory was 154.1 MB in the beginning and 338.7 MB in the end (delta: 184.5 MB). Free memory was 128.7 MB in the beginning and 133.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 180.4 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:11,232 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 154.1 MB. Free memory is still 126.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 01:51:11,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 869.95 ms. Allocated memory is still 154.1 MB. Free memory was 128.5 MB in the beginning and 132.9 MB in the end (delta: -4.4 MB). Peak memory consumption was 27.7 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:11,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.67 ms. Allocated memory is still 154.1 MB. Free memory was 132.9 MB in the beginning and 127.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:11,233 INFO L168 Benchmark]: Boogie Preprocessor took 65.38 ms. Allocated memory is still 154.1 MB. Free memory was 127.2 MB in the beginning and 122.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:11,233 INFO L168 Benchmark]: RCFGBuilder took 1982.23 ms. Allocated memory is still 154.1 MB. Free memory was 122.4 MB in the beginning and 101.0 MB in the end (delta: 21.4 MB). Peak memory consumption was 79.6 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:11,234 INFO L168 Benchmark]: TraceAbstraction took 21941.78 ms. Allocated memory was 154.1 MB in the beginning and 338.7 MB in the end (delta: 184.5 MB). Free memory was 100.5 MB in the beginning and 149.0 MB in the end (delta: -48.5 MB). Peak memory consumption was 136.1 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:11,234 INFO L168 Benchmark]: Witness Printer took 212.59 ms. Allocated memory is still 338.7 MB. Free memory was 149.0 MB in the beginning and 133.8 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:11,237 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 154.1 MB. Free memory is still 126.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 869.95 ms. Allocated memory is still 154.1 MB. Free memory was 128.5 MB in the beginning and 132.9 MB in the end (delta: -4.4 MB). Peak memory consumption was 27.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 141.67 ms. Allocated memory is still 154.1 MB. Free memory was 132.9 MB in the beginning and 127.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 65.38 ms. Allocated memory is still 154.1 MB. Free memory was 127.2 MB in the beginning and 122.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1982.23 ms. Allocated memory is still 154.1 MB. Free memory was 122.4 MB in the beginning and 101.0 MB in the end (delta: 21.4 MB). Peak memory consumption was 79.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21941.78 ms. Allocated memory was 154.1 MB in the beginning and 338.7 MB in the end (delta: 184.5 MB). Free memory was 100.5 MB in the beginning and 149.0 MB in the end (delta: -48.5 MB). Peak memory consumption was 136.1 MB. Max. memory is 8.0 GB. * Witness Printer took 212.59 ms. Allocated memory is still 338.7 MB. Free memory was 149.0 MB in the beginning and 133.8 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 474]: 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: ((((((((((a16 <= 4 && a21 <= 0) && a8 <= 13) || ((a21 == 1 && a20 == 1) && ((a7 == 0 && a8 <= 13) || (((a16 <= 4 && a20 == 1) && a7 == 0) && a17 == 1)))) || (a21 == 1 && 15 <= a8)) || (((14 <= a8 && a16 <= 5) && !(a17 == 1)) && !(a20 == 1))) || ((!(a17 == 1) && !(a20 == 1)) && 15 <= a8)) || ((a16 <= 4 && a20 == 1) && a8 <= 13)) || (((a16 <= 5 && !(a17 == 1)) && ((a7 == 0 && a8 <= 13) || (((a16 <= 4 && a20 == 1) && a7 == 0) && a17 == 1))) && !(a20 == 1))) || ((!(a17 == 1) && a16 <= 4) && a8 <= 13)) || ((a21 <= 0 && a20 == 1) && a8 <= 13)) || (((14 <= a8 && a21 == 1) && a16 <= 5) && a20 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((((((a16 <= 4 && a21 <= 0) && a8 <= 13) || ((a21 == 1 && a20 == 1) && ((a7 == 0 && a8 <= 13) || (((a16 <= 4 && a20 == 1) && a7 == 0) && a17 == 1)))) || (a21 == 1 && 15 <= a8)) || (((14 <= a8 && a16 <= 5) && !(a17 == 1)) && !(a20 == 1))) || ((!(a17 == 1) && !(a20 == 1)) && 15 <= a8)) || ((a16 <= 4 && a20 == 1) && a8 <= 13)) || (((a16 <= 5 && !(a17 == 1)) && ((a7 == 0 && a8 <= 13) || (((a16 <= 4 && a20 == 1) && a7 == 0) && a17 == 1))) && !(a20 == 1))) || ((!(a17 == 1) && a16 <= 4) && a8 <= 13)) || ((a21 <= 0 && a20 == 1) && a8 <= 13)) || (((14 <= a8 && a21 == 1) && a16 <= 5) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.9s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1077 SDtfs, 1621 SDslu, 78 SDs, 0 SdLazy, 4777 SolverSat, 714 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 853 GetRequests, 830 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3410occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 2620 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 55 NumberOfFragments, 301 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2258 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 96 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2841 NumberOfCodeBlocks, 2841 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2823 ConstructedInterpolants, 0 QuantifiedInterpolants, 906556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1743 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 2119/2131 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...