/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/Problem02_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 11:48:30,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 11:48:30,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 11:48:31,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 11:48:31,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 11:48:31,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 11:48:31,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 11:48:31,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 11:48:31,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 11:48:31,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 11:48:31,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 11:48:31,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 11:48:31,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 11:48:31,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 11:48:31,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 11:48:31,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 11:48:31,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 11:48:31,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 11:48:31,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 11:48:31,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 11:48:31,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 11:48:31,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 11:48:31,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 11:48:31,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 11:48:31,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 11:48:31,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 11:48:31,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 11:48:31,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 11:48:31,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 11:48:31,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 11:48:31,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 11:48:31,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 11:48:31,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 11:48:31,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 11:48:31,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 11:48:31,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 11:48:31,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 11:48:31,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 11:48:31,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 11:48:31,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 11:48:31,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 11:48:31,087 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 11:48:31,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 11:48:31,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 11:48:31,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 11:48:31,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 11:48:31,117 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 11:48:31,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 11:48:31,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 11:48:31,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 11:48:31,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 11:48:31,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 11:48:31,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 11:48:31,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 11:48:31,119 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 11:48:31,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 11:48:31,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 11:48:31,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 11:48:31,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 11:48:31,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 11:48:31,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 11:48:31,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 11:48:31,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 11:48:31,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 11:48:31,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 11:48:31,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 11:48:31,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 11:48:31,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 11:48:31,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 11:48:31,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 11:48:31,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 11:48:31,540 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 11:48:31,541 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 11:48:31,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label53.c [2021-01-06 11:48:31,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ceb5c9806/ad5633589e18482d96ef02f4885e683a/FLAG3766a7466 [2021-01-06 11:48:32,274 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 11:48:32,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label53.c [2021-01-06 11:48:32,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ceb5c9806/ad5633589e18482d96ef02f4885e683a/FLAG3766a7466 [2021-01-06 11:48:32,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ceb5c9806/ad5633589e18482d96ef02f4885e683a [2021-01-06 11:48:32,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 11:48:32,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 11:48:32,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 11:48:32,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 11:48:32,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 11:48:32,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:48:32" (1/1) ... [2021-01-06 11:48:32,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e33a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:48:32, skipping insertion in model container [2021-01-06 11:48:32,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:48:32" (1/1) ... [2021-01-06 11:48:32,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 11:48:32,669 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,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[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,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[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] [2021-01-06 11:48:33,139 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/Problem02_label53.c[21108,21121] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 11:48:33,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:48:33,188 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,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[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,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[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] [2021-01-06 11:48:33,375 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/Problem02_label53.c[21108,21121] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 11:48:33,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:48:33,405 INFO L208 MainTranslator]: Completed translation [2021-01-06 11:48:33,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:48:33 WrapperNode [2021-01-06 11:48:33,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 11:48:33,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 11:48:33,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 11:48:33,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 11:48:33,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:48:33" (1/1) ... [2021-01-06 11:48:33,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:48:33" (1/1) ... [2021-01-06 11:48:33,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 11:48:33,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 11:48:33,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 11:48:33,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 11:48:33,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:48:33" (1/1) ... [2021-01-06 11:48:33,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:48:33" (1/1) ... [2021-01-06 11:48:33,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:48:33" (1/1) ... [2021-01-06 11:48:33,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:48:33" (1/1) ... [2021-01-06 11:48:33,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:48:33" (1/1) ... [2021-01-06 11:48:33,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:48:33" (1/1) ... [2021-01-06 11:48:33,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:48:33" (1/1) ... [2021-01-06 11:48:33,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 11:48:33,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 11:48:33,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 11:48:33,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 11:48:33,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:48:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 11:48:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 11:48:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 11:48:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 11:48:33,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 11:48:35,300 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 11:48:35,300 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 11:48:35,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:48:35 BoogieIcfgContainer [2021-01-06 11:48:35,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 11:48:35,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 11:48:35,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 11:48:35,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 11:48:35,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 11:48:32" (1/3) ... [2021-01-06 11:48:35,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b597c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:48:35, skipping insertion in model container [2021-01-06 11:48:35,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:48:33" (2/3) ... [2021-01-06 11:48:35,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b597c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:48:35, skipping insertion in model container [2021-01-06 11:48:35,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:48:35" (3/3) ... [2021-01-06 11:48:35,313 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label53.c [2021-01-06 11:48:35,320 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 11:48:35,325 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 11:48:35,346 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 11:48:35,375 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 11:48:35,375 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 11:48:35,375 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 11:48:35,375 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 11:48:35,375 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 11:48:35,376 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 11:48:35,376 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 11:48:35,376 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 11:48:35,397 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2021-01-06 11:48:35,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-01-06 11:48:35,411 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:48:35,412 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:48:35,413 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:48:35,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:48:35,419 INFO L82 PathProgramCache]: Analyzing trace with hash 96826285, now seen corresponding path program 1 times [2021-01-06 11:48:35,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:48:35,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211117745] [2021-01-06 11:48:35,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:48:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:48:35,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211117745] [2021-01-06 11:48:35,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:48:35,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 11:48:35,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463717292] [2021-01-06 11:48:35,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:48:35,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:48:35,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:48:35,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:48:35,991 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2021-01-06 11:48:36,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:48:36,844 INFO L93 Difference]: Finished difference Result 639 states and 1082 transitions. [2021-01-06 11:48:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:48:36,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2021-01-06 11:48:36,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:48:36,862 INFO L225 Difference]: With dead ends: 639 [2021-01-06 11:48:36,862 INFO L226 Difference]: Without dead ends: 318 [2021-01-06 11:48:36,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:48:36,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-01-06 11:48:36,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 313. [2021-01-06 11:48:36,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2021-01-06 11:48:36,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 459 transitions. [2021-01-06 11:48:36,943 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 459 transitions. Word has length 138 [2021-01-06 11:48:36,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:48:36,946 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 459 transitions. [2021-01-06 11:48:36,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:48:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 459 transitions. [2021-01-06 11:48:36,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-01-06 11:48:36,955 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:48:36,956 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:48:36,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 11:48:36,956 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:48:36,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:48:36,963 INFO L82 PathProgramCache]: Analyzing trace with hash -317353640, now seen corresponding path program 1 times [2021-01-06 11:48:36,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:48:36,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868679861] [2021-01-06 11:48:36,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:48:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:48:37,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868679861] [2021-01-06 11:48:37,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:48:37,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 11:48:37,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595669415] [2021-01-06 11:48:37,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:48:37,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:48:37,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:48:37,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:48:37,129 INFO L87 Difference]: Start difference. First operand 313 states and 459 transitions. Second operand 3 states. [2021-01-06 11:48:37,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:48:37,712 INFO L93 Difference]: Finished difference Result 910 states and 1341 transitions. [2021-01-06 11:48:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:48:37,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2021-01-06 11:48:37,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:48:37,718 INFO L225 Difference]: With dead ends: 910 [2021-01-06 11:48:37,718 INFO L226 Difference]: Without dead ends: 599 [2021-01-06 11:48:37,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:48:37,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-01-06 11:48:37,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 596. [2021-01-06 11:48:37,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2021-01-06 11:48:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 772 transitions. [2021-01-06 11:48:37,751 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 772 transitions. Word has length 142 [2021-01-06 11:48:37,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:48:37,752 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 772 transitions. [2021-01-06 11:48:37,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:48:37,752 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 772 transitions. [2021-01-06 11:48:37,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-01-06 11:48:37,754 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:48:37,754 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:48:37,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 11:48:37,755 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:48:37,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:48:37,756 INFO L82 PathProgramCache]: Analyzing trace with hash -597016285, now seen corresponding path program 1 times [2021-01-06 11:48:37,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:48:37,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107751158] [2021-01-06 11:48:37,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:48:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:37,855 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:48:37,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107751158] [2021-01-06 11:48:37,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345627872] [2021-01-06 11:48:37,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:48:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:37,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 11:48:37,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:48:38,275 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 11:48:38,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:48:38,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-01-06 11:48:38,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494117549] [2021-01-06 11:48:38,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:48:38,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:48:38,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:48:38,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:48:38,282 INFO L87 Difference]: Start difference. First operand 596 states and 772 transitions. Second operand 3 states. [2021-01-06 11:48:38,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:48:38,903 INFO L93 Difference]: Finished difference Result 1613 states and 2116 transitions. [2021-01-06 11:48:38,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:48:38,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2021-01-06 11:48:38,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:48:38,915 INFO L225 Difference]: With dead ends: 1613 [2021-01-06 11:48:38,915 INFO L226 Difference]: Without dead ends: 1019 [2021-01-06 11:48:38,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:48:38,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2021-01-06 11:48:38,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1019. [2021-01-06 11:48:38,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2021-01-06 11:48:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1289 transitions. [2021-01-06 11:48:38,960 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1289 transitions. Word has length 147 [2021-01-06 11:48:38,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:48:38,962 INFO L481 AbstractCegarLoop]: Abstraction has 1019 states and 1289 transitions. [2021-01-06 11:48:38,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:48:38,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1289 transitions. [2021-01-06 11:48:38,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-01-06 11:48:38,970 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:48:38,970 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:48:39,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-06 11:48:39,184 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:48:39,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:48:39,186 INFO L82 PathProgramCache]: Analyzing trace with hash 406459573, now seen corresponding path program 1 times [2021-01-06 11:48:39,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:48:39,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095056766] [2021-01-06 11:48:39,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:48:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:39,280 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-01-06 11:48:39,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095056766] [2021-01-06 11:48:39,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525528962] [2021-01-06 11:48:39,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:48:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:39,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:48:39,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:48:39,566 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 11:48:39,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:48:39,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-01-06 11:48:39,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359878984] [2021-01-06 11:48:39,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:48:39,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:48:39,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:48:39,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:48:39,570 INFO L87 Difference]: Start difference. First operand 1019 states and 1289 transitions. Second operand 3 states. [2021-01-06 11:48:40,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:48:40,173 INFO L93 Difference]: Finished difference Result 2597 states and 3363 transitions. [2021-01-06 11:48:40,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:48:40,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2021-01-06 11:48:40,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:48:40,182 INFO L225 Difference]: With dead ends: 2597 [2021-01-06 11:48:40,183 INFO L226 Difference]: Without dead ends: 1580 [2021-01-06 11:48:40,187 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 [2021-01-06 11:48:40,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2021-01-06 11:48:40,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1579. [2021-01-06 11:48:40,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1579 states. [2021-01-06 11:48:40,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1579 states and 2009 transitions. [2021-01-06 11:48:40,231 INFO L78 Accepts]: Start accepts. Automaton has 1579 states and 2009 transitions. Word has length 171 [2021-01-06 11:48:40,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:48:40,232 INFO L481 AbstractCegarLoop]: Abstraction has 1579 states and 2009 transitions. [2021-01-06 11:48:40,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:48:40,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 2009 transitions. [2021-01-06 11:48:40,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-01-06 11:48:40,237 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:48:40,237 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:48:40,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:48:40,452 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:48:40,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:48:40,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1131855488, now seen corresponding path program 1 times [2021-01-06 11:48:40,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:48:40,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748243660] [2021-01-06 11:48:40,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:48:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:40,648 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:48:40,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748243660] [2021-01-06 11:48:40,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251552407] [2021-01-06 11:48:40,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:48:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:40,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:48:40,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:48:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 11:48:40,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:48:40,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-01-06 11:48:40,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574678343] [2021-01-06 11:48:40,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:48:40,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:48:40,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:48:40,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 11:48:40,945 INFO L87 Difference]: Start difference. First operand 1579 states and 2009 transitions. Second operand 3 states. [2021-01-06 11:48:41,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:48:41,492 INFO L93 Difference]: Finished difference Result 3580 states and 4572 transitions. [2021-01-06 11:48:41,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:48:41,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2021-01-06 11:48:41,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:48:41,503 INFO L225 Difference]: With dead ends: 3580 [2021-01-06 11:48:41,503 INFO L226 Difference]: Without dead ends: 2003 [2021-01-06 11:48:41,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 11:48:41,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2021-01-06 11:48:41,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 1719. [2021-01-06 11:48:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1719 states. [2021-01-06 11:48:41,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1719 states and 2164 transitions. [2021-01-06 11:48:41,551 INFO L78 Accepts]: Start accepts. Automaton has 1719 states and 2164 transitions. Word has length 171 [2021-01-06 11:48:41,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:48:41,552 INFO L481 AbstractCegarLoop]: Abstraction has 1719 states and 2164 transitions. [2021-01-06 11:48:41,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:48:41,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2164 transitions. [2021-01-06 11:48:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-01-06 11:48:41,558 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:48:41,558 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:48:41,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:48:41,773 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:48:41,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:48:41,774 INFO L82 PathProgramCache]: Analyzing trace with hash -2059499958, now seen corresponding path program 1 times [2021-01-06 11:48:41,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:48:41,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097632119] [2021-01-06 11:48:41,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:48:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:48:41,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097632119] [2021-01-06 11:48:41,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:48:41,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 11:48:41,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484372725] [2021-01-06 11:48:41,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 11:48:41,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:48:41,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 11:48:41,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:48:41,928 INFO L87 Difference]: Start difference. First operand 1719 states and 2164 transitions. Second operand 5 states. [2021-01-06 11:48:43,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:48:43,111 INFO L93 Difference]: Finished difference Result 4470 states and 5615 transitions. [2021-01-06 11:48:43,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 11:48:43,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2021-01-06 11:48:43,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:48:43,124 INFO L225 Difference]: With dead ends: 4470 [2021-01-06 11:48:43,124 INFO L226 Difference]: Without dead ends: 2467 [2021-01-06 11:48:43,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 11:48:43,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2021-01-06 11:48:43,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 2419. [2021-01-06 11:48:43,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2419 states. [2021-01-06 11:48:43,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2419 states and 2867 transitions. [2021-01-06 11:48:43,190 INFO L78 Accepts]: Start accepts. Automaton has 2419 states and 2867 transitions. Word has length 172 [2021-01-06 11:48:43,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:48:43,190 INFO L481 AbstractCegarLoop]: Abstraction has 2419 states and 2867 transitions. [2021-01-06 11:48:43,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 11:48:43,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 2867 transitions. [2021-01-06 11:48:43,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-01-06 11:48:43,197 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:48:43,198 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:48:43,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 11:48:43,198 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:48:43,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:48:43,199 INFO L82 PathProgramCache]: Analyzing trace with hash -2068033812, now seen corresponding path program 1 times [2021-01-06 11:48:43,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:48:43,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678394283] [2021-01-06 11:48:43,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:48:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:43,358 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 40 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:48:43,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678394283] [2021-01-06 11:48:43,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976853833] [2021-01-06 11:48:43,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:48:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:43,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:48:43,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:48:43,776 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-01-06 11:48:43,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:48:43,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 11:48:43,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431715419] [2021-01-06 11:48:43,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:48:43,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:48:43,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:48:43,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 11:48:43,779 INFO L87 Difference]: Start difference. First operand 2419 states and 2867 transitions. Second operand 3 states. [2021-01-06 11:48:44,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:48:44,392 INFO L93 Difference]: Finished difference Result 6812 states and 8109 transitions. [2021-01-06 11:48:44,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:48:44,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2021-01-06 11:48:44,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:48:44,415 INFO L225 Difference]: With dead ends: 6812 [2021-01-06 11:48:44,415 INFO L226 Difference]: Without dead ends: 4395 [2021-01-06 11:48:44,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 11:48:44,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4395 states. [2021-01-06 11:48:44,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4395 to 3975. [2021-01-06 11:48:44,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3975 states. [2021-01-06 11:48:44,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3975 states to 3975 states and 4652 transitions. [2021-01-06 11:48:44,525 INFO L78 Accepts]: Start accepts. Automaton has 3975 states and 4652 transitions. Word has length 179 [2021-01-06 11:48:44,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:48:44,526 INFO L481 AbstractCegarLoop]: Abstraction has 3975 states and 4652 transitions. [2021-01-06 11:48:44,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:48:44,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3975 states and 4652 transitions. [2021-01-06 11:48:44,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-01-06 11:48:44,535 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:48:44,536 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:48:44,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:48:44,752 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:48:44,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:48:44,753 INFO L82 PathProgramCache]: Analyzing trace with hash 2086369303, now seen corresponding path program 1 times [2021-01-06 11:48:44,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:48:44,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115485003] [2021-01-06 11:48:44,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:48:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:44,842 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-01-06 11:48:44,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115485003] [2021-01-06 11:48:44,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:48:44,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:48:44,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824825914] [2021-01-06 11:48:44,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:48:44,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:48:44,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:48:44,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:48:44,845 INFO L87 Difference]: Start difference. First operand 3975 states and 4652 transitions. Second operand 3 states. [2021-01-06 11:48:45,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:48:45,417 INFO L93 Difference]: Finished difference Result 8509 states and 9983 transitions. [2021-01-06 11:48:45,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:48:45,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2021-01-06 11:48:45,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:48:45,436 INFO L225 Difference]: With dead ends: 8509 [2021-01-06 11:48:45,437 INFO L226 Difference]: Without dead ends: 4536 [2021-01-06 11:48:45,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:48:45,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4536 states. [2021-01-06 11:48:45,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4536 to 4255. [2021-01-06 11:48:45,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4255 states. [2021-01-06 11:48:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4255 states to 4255 states and 4899 transitions. [2021-01-06 11:48:45,536 INFO L78 Accepts]: Start accepts. Automaton has 4255 states and 4899 transitions. Word has length 183 [2021-01-06 11:48:45,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:48:45,536 INFO L481 AbstractCegarLoop]: Abstraction has 4255 states and 4899 transitions. [2021-01-06 11:48:45,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:48:45,537 INFO L276 IsEmpty]: Start isEmpty. Operand 4255 states and 4899 transitions. [2021-01-06 11:48:45,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-01-06 11:48:45,546 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:48:45,546 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:48:45,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 11:48:45,547 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:48:45,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:48:45,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1543378404, now seen corresponding path program 1 times [2021-01-06 11:48:45,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:48:45,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572004393] [2021-01-06 11:48:45,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:48:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 11:48:45,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572004393] [2021-01-06 11:48:45,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:48:45,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:48:45,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542714226] [2021-01-06 11:48:45,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:48:45,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:48:45,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:48:45,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:48:45,635 INFO L87 Difference]: Start difference. First operand 4255 states and 4899 transitions. Second operand 3 states. [2021-01-06 11:48:46,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:48:46,182 INFO L93 Difference]: Finished difference Result 8368 states and 9627 transitions. [2021-01-06 11:48:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:48:46,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2021-01-06 11:48:46,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:48:46,200 INFO L225 Difference]: With dead ends: 8368 [2021-01-06 11:48:46,200 INFO L226 Difference]: Without dead ends: 4115 [2021-01-06 11:48:46,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:48:46,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4115 states. [2021-01-06 11:48:46,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4115 to 3555. [2021-01-06 11:48:46,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3555 states. [2021-01-06 11:48:46,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3555 states and 3937 transitions. [2021-01-06 11:48:46,279 INFO L78 Accepts]: Start accepts. Automaton has 3555 states and 3937 transitions. Word has length 191 [2021-01-06 11:48:46,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:48:46,280 INFO L481 AbstractCegarLoop]: Abstraction has 3555 states and 3937 transitions. [2021-01-06 11:48:46,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:48:46,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 3937 transitions. [2021-01-06 11:48:46,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-01-06 11:48:46,288 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:48:46,289 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:48:46,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 11:48:46,289 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:48:46,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:48:46,290 INFO L82 PathProgramCache]: Analyzing trace with hash 353220855, now seen corresponding path program 1 times [2021-01-06 11:48:46,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:48:46,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364974372] [2021-01-06 11:48:46,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:48:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-01-06 11:48:46,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364974372] [2021-01-06 11:48:46,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396017942] [2021-01-06 11:48:46,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:48:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:46,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:48:46,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:48:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-01-06 11:48:46,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:48:46,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-01-06 11:48:46,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877227969] [2021-01-06 11:48:46,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:48:46,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:48:46,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:48:46,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 11:48:46,784 INFO L87 Difference]: Start difference. First operand 3555 states and 3937 transitions. Second operand 3 states. [2021-01-06 11:48:47,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:48:47,315 INFO L93 Difference]: Finished difference Result 8090 states and 9036 transitions. [2021-01-06 11:48:47,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:48:47,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2021-01-06 11:48:47,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:48:47,337 INFO L225 Difference]: With dead ends: 8090 [2021-01-06 11:48:47,337 INFO L226 Difference]: Without dead ends: 4537 [2021-01-06 11:48:47,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 11:48:47,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4537 states. [2021-01-06 11:48:47,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4537 to 4535. [2021-01-06 11:48:47,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4535 states. [2021-01-06 11:48:47,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4535 states to 4535 states and 5028 transitions. [2021-01-06 11:48:47,456 INFO L78 Accepts]: Start accepts. Automaton has 4535 states and 5028 transitions. Word has length 214 [2021-01-06 11:48:47,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:48:47,456 INFO L481 AbstractCegarLoop]: Abstraction has 4535 states and 5028 transitions. [2021-01-06 11:48:47,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:48:47,456 INFO L276 IsEmpty]: Start isEmpty. Operand 4535 states and 5028 transitions. [2021-01-06 11:48:47,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-01-06 11:48:47,467 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:48:47,467 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:48:47,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 11:48:47,681 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:48:47,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:48:47,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1823441016, now seen corresponding path program 1 times [2021-01-06 11:48:47,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:48:47,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666114565] [2021-01-06 11:48:47,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:48:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-01-06 11:48:47,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666114565] [2021-01-06 11:48:47,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628189560] [2021-01-06 11:48:47,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:48:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:47,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:48:47,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:48:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-01-06 11:48:48,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:48:48,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 11:48:48,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658546272] [2021-01-06 11:48:48,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:48:48,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:48:48,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:48:48,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 11:48:48,133 INFO L87 Difference]: Start difference. First operand 4535 states and 5028 transitions. Second operand 3 states. [2021-01-06 11:48:48,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:48:48,402 INFO L93 Difference]: Finished difference Result 8351 states and 9268 transitions. [2021-01-06 11:48:48,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:48:48,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2021-01-06 11:48:48,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:48:48,420 INFO L225 Difference]: With dead ends: 8351 [2021-01-06 11:48:48,421 INFO L226 Difference]: Without dead ends: 3818 [2021-01-06 11:48:48,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 11:48:48,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3818 states. [2021-01-06 11:48:48,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3818 to 3538. [2021-01-06 11:48:48,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3538 states. [2021-01-06 11:48:48,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3538 states to 3538 states and 3872 transitions. [2021-01-06 11:48:48,504 INFO L78 Accepts]: Start accepts. Automaton has 3538 states and 3872 transitions. Word has length 217 [2021-01-06 11:48:48,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:48:48,504 INFO L481 AbstractCegarLoop]: Abstraction has 3538 states and 3872 transitions. [2021-01-06 11:48:48,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:48:48,504 INFO L276 IsEmpty]: Start isEmpty. Operand 3538 states and 3872 transitions. [2021-01-06 11:48:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-01-06 11:48:48,514 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:48:48,514 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:48:48,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:48:48,728 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:48:48,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:48:48,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1966560280, now seen corresponding path program 1 times [2021-01-06 11:48:48,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:48:48,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767863464] [2021-01-06 11:48:48,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:48:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:49,108 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:48:49,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767863464] [2021-01-06 11:48:49,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392014873] [2021-01-06 11:48:49,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:48:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:48:49,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:48:49,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:48:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-01-06 11:48:49,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:48:49,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-01-06 11:48:49,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371178094] [2021-01-06 11:48:49,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:48:49,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:48:49,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:48:49,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 11:48:49,442 INFO L87 Difference]: Start difference. First operand 3538 states and 3872 transitions. Second operand 3 states. [2021-01-06 11:48:50,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:48:50,041 INFO L93 Difference]: Finished difference Result 7208 states and 7901 transitions. [2021-01-06 11:48:50,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:48:50,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2021-01-06 11:48:50,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:48:50,043 INFO L225 Difference]: With dead ends: 7208 [2021-01-06 11:48:50,043 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 11:48:50,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 11:48:50,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 11:48:50,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 11:48:50,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 11:48:50,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 11:48:50,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 236 [2021-01-06 11:48:50,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:48:50,051 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 11:48:50,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:48:50,052 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 11:48:50,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 11:48:50,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:48:50,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 11:48:50,392 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 39 [2021-01-06 11:48:50,636 INFO L189 CegarLoopUtils]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,636 INFO L189 CegarLoopUtils]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,636 INFO L189 CegarLoopUtils]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,636 INFO L189 CegarLoopUtils]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-01-06 11:48:50,637 INFO L189 CegarLoopUtils]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-01-06 11:48:50,637 INFO L189 CegarLoopUtils]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-01-06 11:48:50,637 INFO L189 CegarLoopUtils]: For program point L566(line 566) no Hoare annotation was computed. [2021-01-06 11:48:50,637 INFO L189 CegarLoopUtils]: For program point L500(line 500) no Hoare annotation was computed. [2021-01-06 11:48:50,637 INFO L189 CegarLoopUtils]: For program point L434(line 434) no Hoare annotation was computed. [2021-01-06 11:48:50,637 INFO L189 CegarLoopUtils]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-01-06 11:48:50,637 INFO L189 CegarLoopUtils]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-01-06 11:48:50,637 INFO L189 CegarLoopUtils]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,648 INFO L189 CegarLoopUtils]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,648 INFO L189 CegarLoopUtils]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,648 INFO L189 CegarLoopUtils]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-01-06 11:48:50,649 INFO L189 CegarLoopUtils]: For program point L569(line 569) no Hoare annotation was computed. [2021-01-06 11:48:50,649 INFO L189 CegarLoopUtils]: For program point L503(line 503) no Hoare annotation was computed. [2021-01-06 11:48:50,649 INFO L189 CegarLoopUtils]: For program point L437(line 437) no Hoare annotation was computed. [2021-01-06 11:48:50,649 INFO L189 CegarLoopUtils]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-01-06 11:48:50,649 INFO L189 CegarLoopUtils]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,649 INFO L189 CegarLoopUtils]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,649 INFO L189 CegarLoopUtils]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,649 INFO L189 CegarLoopUtils]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-01-06 11:48:50,649 INFO L189 CegarLoopUtils]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-01-06 11:48:50,649 INFO L189 CegarLoopUtils]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-01-06 11:48:50,650 INFO L189 CegarLoopUtils]: For program point L572(line 572) no Hoare annotation was computed. [2021-01-06 11:48:50,650 INFO L189 CegarLoopUtils]: For program point L506(line 506) no Hoare annotation was computed. [2021-01-06 11:48:50,650 INFO L189 CegarLoopUtils]: For program point L440(line 440) no Hoare annotation was computed. [2021-01-06 11:48:50,650 INFO L189 CegarLoopUtils]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-01-06 11:48:50,650 INFO L189 CegarLoopUtils]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-01-06 11:48:50,650 INFO L189 CegarLoopUtils]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-01-06 11:48:50,650 INFO L189 CegarLoopUtils]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-01-06 11:48:50,650 INFO L189 CegarLoopUtils]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,650 INFO L189 CegarLoopUtils]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,650 INFO L189 CegarLoopUtils]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,650 INFO L189 CegarLoopUtils]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-01-06 11:48:50,650 INFO L189 CegarLoopUtils]: For program point L575(line 575) no Hoare annotation was computed. [2021-01-06 11:48:50,650 INFO L189 CegarLoopUtils]: For program point L509(line 509) no Hoare annotation was computed. [2021-01-06 11:48:50,651 INFO L189 CegarLoopUtils]: For program point L443(line 443) no Hoare annotation was computed. [2021-01-06 11:48:50,651 INFO L189 CegarLoopUtils]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-01-06 11:48:50,651 INFO L189 CegarLoopUtils]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-01-06 11:48:50,651 INFO L189 CegarLoopUtils]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-01-06 11:48:50,651 INFO L189 CegarLoopUtils]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,651 INFO L189 CegarLoopUtils]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,651 INFO L189 CegarLoopUtils]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,651 INFO L189 CegarLoopUtils]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-01-06 11:48:50,651 INFO L189 CegarLoopUtils]: For program point L578(line 578) no Hoare annotation was computed. [2021-01-06 11:48:50,651 INFO L189 CegarLoopUtils]: For program point L512(line 512) no Hoare annotation was computed. [2021-01-06 11:48:50,651 INFO L189 CegarLoopUtils]: For program point L446(line 446) no Hoare annotation was computed. [2021-01-06 11:48:50,652 INFO L189 CegarLoopUtils]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-01-06 11:48:50,652 INFO L189 CegarLoopUtils]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-01-06 11:48:50,652 INFO L189 CegarLoopUtils]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-01-06 11:48:50,652 INFO L189 CegarLoopUtils]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,652 INFO L189 CegarLoopUtils]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,652 INFO L189 CegarLoopUtils]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,652 INFO L189 CegarLoopUtils]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-01-06 11:48:50,652 INFO L189 CegarLoopUtils]: For program point L581(line 581) no Hoare annotation was computed. [2021-01-06 11:48:50,652 INFO L189 CegarLoopUtils]: For program point L515(line 515) no Hoare annotation was computed. [2021-01-06 11:48:50,653 INFO L189 CegarLoopUtils]: For program point L449(line 449) no Hoare annotation was computed. [2021-01-06 11:48:50,653 INFO L189 CegarLoopUtils]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-01-06 11:48:50,653 INFO L189 CegarLoopUtils]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,653 INFO L189 CegarLoopUtils]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,653 INFO L189 CegarLoopUtils]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,653 INFO L189 CegarLoopUtils]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-01-06 11:48:50,653 INFO L189 CegarLoopUtils]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-01-06 11:48:50,653 INFO L189 CegarLoopUtils]: For program point L584(line 584) no Hoare annotation was computed. [2021-01-06 11:48:50,654 INFO L189 CegarLoopUtils]: For program point L518(line 518) no Hoare annotation was computed. [2021-01-06 11:48:50,654 INFO L189 CegarLoopUtils]: For program point L452(line 452) no Hoare annotation was computed. [2021-01-06 11:48:50,654 INFO L189 CegarLoopUtils]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-01-06 11:48:50,654 INFO L189 CegarLoopUtils]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-01-06 11:48:50,654 INFO L189 CegarLoopUtils]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-01-06 11:48:50,654 INFO L189 CegarLoopUtils]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,654 INFO L189 CegarLoopUtils]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,654 INFO L189 CegarLoopUtils]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,654 INFO L189 CegarLoopUtils]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-01-06 11:48:50,654 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 11:48:50,655 INFO L189 CegarLoopUtils]: For program point L587(line 587) no Hoare annotation was computed. [2021-01-06 11:48:50,655 INFO L189 CegarLoopUtils]: For program point L521(line 521) no Hoare annotation was computed. [2021-01-06 11:48:50,655 INFO L189 CegarLoopUtils]: For program point L455(line 455) no Hoare annotation was computed. [2021-01-06 11:48:50,655 INFO L189 CegarLoopUtils]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-01-06 11:48:50,655 INFO L189 CegarLoopUtils]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-01-06 11:48:50,655 INFO L189 CegarLoopUtils]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-01-06 11:48:50,655 INFO L189 CegarLoopUtils]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-01-06 11:48:50,655 INFO L189 CegarLoopUtils]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,655 INFO L189 CegarLoopUtils]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,655 INFO L189 CegarLoopUtils]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,655 INFO L189 CegarLoopUtils]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-01-06 11:48:50,656 INFO L189 CegarLoopUtils]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-01-06 11:48:50,656 INFO L189 CegarLoopUtils]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-01-06 11:48:50,656 INFO L189 CegarLoopUtils]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-01-06 11:48:50,656 INFO L189 CegarLoopUtils]: For program point L590(line 590) no Hoare annotation was computed. [2021-01-06 11:48:50,656 INFO L189 CegarLoopUtils]: For program point L524(line 524) no Hoare annotation was computed. [2021-01-06 11:48:50,656 INFO L189 CegarLoopUtils]: For program point L458(line 458) no Hoare annotation was computed. [2021-01-06 11:48:50,656 INFO L189 CegarLoopUtils]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-01-06 11:48:50,656 INFO L189 CegarLoopUtils]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-01-06 11:48:50,656 INFO L189 CegarLoopUtils]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,656 INFO L189 CegarLoopUtils]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,656 INFO L189 CegarLoopUtils]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,657 INFO L189 CegarLoopUtils]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-01-06 11:48:50,657 INFO L189 CegarLoopUtils]: For program point L593(line 593) no Hoare annotation was computed. [2021-01-06 11:48:50,657 INFO L189 CegarLoopUtils]: For program point L527(line 527) no Hoare annotation was computed. [2021-01-06 11:48:50,657 INFO L189 CegarLoopUtils]: For program point L461(line 461) no Hoare annotation was computed. [2021-01-06 11:48:50,657 INFO L189 CegarLoopUtils]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-01-06 11:48:50,657 INFO L189 CegarLoopUtils]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-01-06 11:48:50,657 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 11:48:50,657 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 596) no Hoare annotation was computed. [2021-01-06 11:48:50,657 INFO L189 CegarLoopUtils]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,658 INFO L189 CegarLoopUtils]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,658 INFO L189 CegarLoopUtils]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,658 INFO L189 CegarLoopUtils]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-01-06 11:48:50,658 INFO L189 CegarLoopUtils]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-01-06 11:48:50,658 INFO L189 CegarLoopUtils]: For program point L596(line 596) no Hoare annotation was computed. [2021-01-06 11:48:50,658 INFO L189 CegarLoopUtils]: For program point L530(line 530) no Hoare annotation was computed. [2021-01-06 11:48:50,658 INFO L189 CegarLoopUtils]: For program point L464(line 464) no Hoare annotation was computed. [2021-01-06 11:48:50,658 INFO L189 CegarLoopUtils]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-01-06 11:48:50,658 INFO L189 CegarLoopUtils]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-01-06 11:48:50,658 INFO L189 CegarLoopUtils]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-01-06 11:48:50,658 INFO L189 CegarLoopUtils]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,658 INFO L189 CegarLoopUtils]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,658 INFO L189 CegarLoopUtils]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,659 INFO L189 CegarLoopUtils]: For program point L599(line 599) no Hoare annotation was computed. [2021-01-06 11:48:50,659 INFO L189 CegarLoopUtils]: For program point L533(line 533) no Hoare annotation was computed. [2021-01-06 11:48:50,659 INFO L189 CegarLoopUtils]: For program point L467(line 467) no Hoare annotation was computed. [2021-01-06 11:48:50,659 INFO L189 CegarLoopUtils]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-01-06 11:48:50,659 INFO L189 CegarLoopUtils]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-01-06 11:48:50,659 INFO L189 CegarLoopUtils]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,659 INFO L189 CegarLoopUtils]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,659 INFO L189 CegarLoopUtils]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,659 INFO L189 CegarLoopUtils]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-01-06 11:48:50,659 INFO L189 CegarLoopUtils]: For program point L602(line 602) no Hoare annotation was computed. [2021-01-06 11:48:50,660 INFO L189 CegarLoopUtils]: For program point L536(line 536) no Hoare annotation was computed. [2021-01-06 11:48:50,660 INFO L189 CegarLoopUtils]: For program point L470(line 470) no Hoare annotation was computed. [2021-01-06 11:48:50,660 INFO L189 CegarLoopUtils]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-01-06 11:48:50,660 INFO L189 CegarLoopUtils]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-01-06 11:48:50,660 INFO L189 CegarLoopUtils]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-01-06 11:48:50,660 INFO L189 CegarLoopUtils]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-01-06 11:48:50,660 INFO L189 CegarLoopUtils]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-01-06 11:48:50,660 INFO L189 CegarLoopUtils]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-01-06 11:48:50,660 INFO L189 CegarLoopUtils]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-01-06 11:48:50,660 INFO L189 CegarLoopUtils]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,660 INFO L189 CegarLoopUtils]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,661 INFO L189 CegarLoopUtils]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-01-06 11:48:50,661 INFO L189 CegarLoopUtils]: For program point L605(line 605) no Hoare annotation was computed. [2021-01-06 11:48:50,661 INFO L189 CegarLoopUtils]: For program point L539(line 539) no Hoare annotation was computed. [2021-01-06 11:48:50,661 INFO L189 CegarLoopUtils]: For program point L473(line 473) no Hoare annotation was computed. [2021-01-06 11:48:50,661 INFO L189 CegarLoopUtils]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-01-06 11:48:50,661 INFO L189 CegarLoopUtils]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-01-06 11:48:50,661 INFO L189 CegarLoopUtils]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-01-06 11:48:50,661 INFO L189 CegarLoopUtils]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-01-06 11:48:50,661 INFO L189 CegarLoopUtils]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-01-06 11:48:50,662 INFO L185 CegarLoopUtils]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse1 (= ~a19~0 1)) (.cse0 (<= ~a17~0 8))) (or (and (<= 10 ~a28~0) .cse0) (and .cse1 (= ~a21~0 1) .cse0) (and (<= ~a11~0 0) .cse1 .cse0) (and (<= ~a28~0 8) .cse0) (and (= ~a25~0 0) .cse0) (<= ~a17~0 7))) [2021-01-06 11:48:50,662 INFO L189 CegarLoopUtils]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,662 INFO L189 CegarLoopUtils]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,662 INFO L189 CegarLoopUtils]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-01-06 11:48:50,662 INFO L189 CegarLoopUtils]: For program point L542(line 542) no Hoare annotation was computed. [2021-01-06 11:48:50,662 INFO L189 CegarLoopUtils]: For program point L476(line 476) no Hoare annotation was computed. [2021-01-06 11:48:50,662 INFO L189 CegarLoopUtils]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-01-06 11:48:50,662 INFO L189 CegarLoopUtils]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-01-06 11:48:50,663 INFO L189 CegarLoopUtils]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-01-06 11:48:50,663 INFO L192 CegarLoopUtils]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-01-06 11:48:50,663 INFO L189 CegarLoopUtils]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,663 INFO L189 CegarLoopUtils]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,663 INFO L189 CegarLoopUtils]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-01-06 11:48:50,663 INFO L189 CegarLoopUtils]: For program point L545(line 545) no Hoare annotation was computed. [2021-01-06 11:48:50,663 INFO L189 CegarLoopUtils]: For program point L479(line 479) no Hoare annotation was computed. [2021-01-06 11:48:50,663 INFO L189 CegarLoopUtils]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-01-06 11:48:50,663 INFO L189 CegarLoopUtils]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-01-06 11:48:50,663 INFO L189 CegarLoopUtils]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-01-06 11:48:50,664 INFO L189 CegarLoopUtils]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-01-06 11:48:50,664 INFO L189 CegarLoopUtils]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-01-06 11:48:50,664 INFO L189 CegarLoopUtils]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-01-06 11:48:50,664 INFO L189 CegarLoopUtils]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,664 INFO L189 CegarLoopUtils]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,664 INFO L189 CegarLoopUtils]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-01-06 11:48:50,664 INFO L189 CegarLoopUtils]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-01-06 11:48:50,664 INFO L189 CegarLoopUtils]: For program point L548(line 548) no Hoare annotation was computed. [2021-01-06 11:48:50,664 INFO L189 CegarLoopUtils]: For program point L482(line 482) no Hoare annotation was computed. [2021-01-06 11:48:50,664 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 11:48:50,665 INFO L189 CegarLoopUtils]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-01-06 11:48:50,665 INFO L189 CegarLoopUtils]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-01-06 11:48:50,665 INFO L185 CegarLoopUtils]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse1 (= ~a19~0 1)) (.cse0 (<= ~a17~0 8))) (or (and (<= 10 ~a28~0) .cse0) (and .cse1 (= ~a21~0 1) .cse0) (and (<= ~a11~0 0) .cse1 .cse0) (and (<= ~a28~0 8) .cse0) (and (= ~a25~0 0) .cse0) (<= ~a17~0 7))) [2021-01-06 11:48:50,665 INFO L189 CegarLoopUtils]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,665 INFO L189 CegarLoopUtils]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,665 INFO L189 CegarLoopUtils]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-01-06 11:48:50,665 INFO L189 CegarLoopUtils]: For program point L551(line 551) no Hoare annotation was computed. [2021-01-06 11:48:50,665 INFO L189 CegarLoopUtils]: For program point L485(line 485) no Hoare annotation was computed. [2021-01-06 11:48:50,665 INFO L189 CegarLoopUtils]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-01-06 11:48:50,665 INFO L189 CegarLoopUtils]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-01-06 11:48:50,666 INFO L189 CegarLoopUtils]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,666 INFO L189 CegarLoopUtils]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,666 INFO L189 CegarLoopUtils]: For program point L554(line 554) no Hoare annotation was computed. [2021-01-06 11:48:50,666 INFO L189 CegarLoopUtils]: For program point L488(line 488) no Hoare annotation was computed. [2021-01-06 11:48:50,666 INFO L189 CegarLoopUtils]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-01-06 11:48:50,666 INFO L189 CegarLoopUtils]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-01-06 11:48:50,666 INFO L189 CegarLoopUtils]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-01-06 11:48:50,666 INFO L189 CegarLoopUtils]: For program point L621(line 621) no Hoare annotation was computed. [2021-01-06 11:48:50,666 INFO L189 CegarLoopUtils]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-01-06 11:48:50,666 INFO L189 CegarLoopUtils]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-01-06 11:48:50,666 INFO L189 CegarLoopUtils]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-01-06 11:48:50,666 INFO L189 CegarLoopUtils]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,667 INFO L189 CegarLoopUtils]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,667 INFO L189 CegarLoopUtils]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-01-06 11:48:50,667 INFO L189 CegarLoopUtils]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,667 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 11:48:50,667 INFO L189 CegarLoopUtils]: For program point L557(line 557) no Hoare annotation was computed. [2021-01-06 11:48:50,667 INFO L189 CegarLoopUtils]: For program point L491(line 491) no Hoare annotation was computed. [2021-01-06 11:48:50,667 INFO L189 CegarLoopUtils]: For program point L425(line 425) no Hoare annotation was computed. [2021-01-06 11:48:50,667 INFO L189 CegarLoopUtils]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-01-06 11:48:50,667 INFO L189 CegarLoopUtils]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-01-06 11:48:50,668 INFO L189 CegarLoopUtils]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-01-06 11:48:50,668 INFO L189 CegarLoopUtils]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,668 INFO L189 CegarLoopUtils]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,668 INFO L189 CegarLoopUtils]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,668 INFO L189 CegarLoopUtils]: For program point L560(line 560) no Hoare annotation was computed. [2021-01-06 11:48:50,668 INFO L189 CegarLoopUtils]: For program point L494(line 494) no Hoare annotation was computed. [2021-01-06 11:48:50,668 INFO L189 CegarLoopUtils]: For program point L428(line 428) no Hoare annotation was computed. [2021-01-06 11:48:50,668 INFO L189 CegarLoopUtils]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-01-06 11:48:50,668 INFO L189 CegarLoopUtils]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-01-06 11:48:50,668 INFO L189 CegarLoopUtils]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,668 INFO L189 CegarLoopUtils]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,669 INFO L189 CegarLoopUtils]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-01-06 11:48:50,669 INFO L189 CegarLoopUtils]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-01-06 11:48:50,669 INFO L189 CegarLoopUtils]: For program point L563(line 563) no Hoare annotation was computed. [2021-01-06 11:48:50,669 INFO L189 CegarLoopUtils]: For program point L497(line 497) no Hoare annotation was computed. [2021-01-06 11:48:50,669 INFO L189 CegarLoopUtils]: For program point L431(line 431) no Hoare annotation was computed. [2021-01-06 11:48:50,669 INFO L189 CegarLoopUtils]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-01-06 11:48:50,669 INFO L189 CegarLoopUtils]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-01-06 11:48:50,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 11:48:50 BoogieIcfgContainer [2021-01-06 11:48:50,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 11:48:50,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 11:48:50,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 11:48:50,703 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 11:48:50,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:48:35" (3/4) ... [2021-01-06 11:48:50,706 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 11:48:50,729 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-01-06 11:48:50,730 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 11:48:50,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 11:48:50,733 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 11:48:50,905 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem02_label53.c-witness.graphml [2021-01-06 11:48:50,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 11:48:50,907 INFO L168 Benchmark]: Toolchain (without parser) took 18329.65 ms. Allocated memory was 156.2 MB in the beginning and 491.8 MB in the end (delta: 335.5 MB). Free memory was 129.5 MB in the beginning and 327.6 MB in the end (delta: -198.1 MB). Peak memory consumption was 137.8 MB. Max. memory is 8.0 GB. [2021-01-06 11:48:50,907 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 156.2 MB. Free memory is still 127.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 11:48:50,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.89 ms. Allocated memory is still 156.2 MB. Free memory was 129.2 MB in the beginning and 103.2 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-01-06 11:48:50,908 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.51 ms. Allocated memory is still 156.2 MB. Free memory was 103.2 MB in the beginning and 133.2 MB in the end (delta: -30.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 8.0 GB. [2021-01-06 11:48:50,909 INFO L168 Benchmark]: Boogie Preprocessor took 67.46 ms. Allocated memory is still 156.2 MB. Free memory was 133.2 MB in the beginning and 129.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-06 11:48:50,909 INFO L168 Benchmark]: RCFGBuilder took 1667.56 ms. Allocated memory was 156.2 MB in the beginning and 217.1 MB in the end (delta: 60.8 MB). Free memory was 129.0 MB in the beginning and 169.5 MB in the end (delta: -40.4 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. [2021-01-06 11:48:50,910 INFO L168 Benchmark]: TraceAbstraction took 15397.09 ms. Allocated memory was 217.1 MB in the beginning and 491.8 MB in the end (delta: 274.7 MB). Free memory was 168.9 MB in the beginning and 342.3 MB in the end (delta: -173.3 MB). Peak memory consumption was 100.9 MB. Max. memory is 8.0 GB. [2021-01-06 11:48:50,913 INFO L168 Benchmark]: Witness Printer took 203.25 ms. Allocated memory is still 491.8 MB. Free memory was 342.3 MB in the beginning and 327.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-01-06 11:48:50,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 156.2 MB. Free memory is still 127.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 824.89 ms. Allocated memory is still 156.2 MB. Free memory was 129.2 MB in the beginning and 103.2 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 159.51 ms. Allocated memory is still 156.2 MB. Free memory was 103.2 MB in the beginning and 133.2 MB in the end (delta: -30.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 67.46 ms. Allocated memory is still 156.2 MB. Free memory was 133.2 MB in the beginning and 129.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1667.56 ms. Allocated memory was 156.2 MB in the beginning and 217.1 MB in the end (delta: 60.8 MB). Free memory was 129.0 MB in the beginning and 169.5 MB in the end (delta: -40.4 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15397.09 ms. Allocated memory was 217.1 MB in the beginning and 491.8 MB in the end (delta: 274.7 MB). Free memory was 168.9 MB in the beginning and 342.3 MB in the end (delta: -173.3 MB). Peak memory consumption was 100.9 MB. Max. memory is 8.0 GB. * Witness Printer took 203.25 ms. Allocated memory is still 491.8 MB. Free memory was 342.3 MB in the beginning and 327.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 596]: 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((10 <= a28 && a17 <= 8) || ((a19 == 1 && a21 == 1) && a17 <= 8)) || ((a11 <= 0 && a19 == 1) && a17 <= 8)) || (a28 <= 8 && a17 <= 8)) || (a25 == 0 && a17 <= 8)) || a17 <= 7 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((10 <= a28 && a17 <= 8) || ((a19 == 1 && a21 == 1) && a17 <= 8)) || ((a11 <= 0 && a19 == 1) && a17 <= 8)) || (a28 <= 8 && a17 <= 8)) || (a25 == 0 && a17 <= 8)) || a17 <= 7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.8s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1388 SDtfs, 1505 SDslu, 227 SDs, 0 SdLazy, 4679 SolverSat, 853 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1370 GetRequests, 1335 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4535occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 1884 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 91 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2828 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 114 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 3496 NumberOfCodeBlocks, 3496 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3477 ConstructedInterpolants, 0 QuantifiedInterpolants, 1838397 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2429 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 1235/1331 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...