/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/eca-rers2012/Problem01_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 11:45:53,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 11:45:53,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 11:45:53,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 11:45:53,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 11:45:53,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 11:45:53,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 11:45:53,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 11:45:53,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 11:45:53,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 11:45:53,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 11:45:53,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 11:45:53,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 11:45:53,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 11:45:53,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 11:45:53,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 11:45:53,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 11:45:53,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 11:45:53,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 11:45:53,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 11:45:53,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 11:45:53,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 11:45:53,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 11:45:53,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 11:45:53,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 11:45:53,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 11:45:53,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 11:45:53,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 11:45:53,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 11:45:53,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 11:45:53,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 11:45:53,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 11:45:53,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 11:45:53,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 11:45:53,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 11:45:53,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 11:45:53,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 11:45:53,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 11:45:53,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 11:45:53,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 11:45:53,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 11:45:53,848 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 11:45:53,875 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 11:45:53,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 11:45:53,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 11:45:53,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 11:45:53,878 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 11:45:53,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 11:45:53,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 11:45:53,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 11:45:53,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 11:45:53,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 11:45:53,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 11:45:53,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 11:45:53,880 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 11:45:53,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 11:45:53,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 11:45:53,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 11:45:53,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 11:45:53,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 11:45:53,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 11:45:53,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 11:45:53,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 11:45:53,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 11:45:53,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 11:45:53,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 11:45:53,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 11:45:53,883 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 11:45:54,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 11:45:54,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 11:45:54,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 11:45:54,283 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 11:45:54,284 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 11:45:54,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label18.c [2021-01-06 11:45:54,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/576f87b50/0cc09517b6224f5c9667f075e7a9a170/FLAG5ad7813e0 [2021-01-06 11:45:55,161 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 11:45:55,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label18.c [2021-01-06 11:45:55,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/576f87b50/0cc09517b6224f5c9667f075e7a9a170/FLAG5ad7813e0 [2021-01-06 11:45:55,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/576f87b50/0cc09517b6224f5c9667f075e7a9a170 [2021-01-06 11:45:55,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 11:45:55,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 11:45:55,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 11:45:55,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 11:45:55,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 11:45:55,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:45:55" (1/1) ... [2021-01-06 11:45:55,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6913cd21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:45:55, skipping insertion in model container [2021-01-06 11:45:55,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:45:55" (1/1) ... [2021-01-06 11:45:55,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 11:45:55,475 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] [2021-01-06 11:45:55,868 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label18.c[17985,17998] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 11:45:55,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:45:55,916 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] [2021-01-06 11:45:56,042 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label18.c[17985,17998] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 11:45:56,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:45:56,128 INFO L208 MainTranslator]: Completed translation [2021-01-06 11:45:56,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:45:56 WrapperNode [2021-01-06 11:45:56,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 11:45:56,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 11:45:56,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 11:45:56,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 11:45:56,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:45:56" (1/1) ... [2021-01-06 11:45:56,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:45:56" (1/1) ... [2021-01-06 11:45:56,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 11:45:56,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 11:45:56,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 11:45:56,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 11:45:56,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:45:56" (1/1) ... [2021-01-06 11:45:56,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:45:56" (1/1) ... [2021-01-06 11:45:56,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:45:56" (1/1) ... [2021-01-06 11:45:56,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:45:56" (1/1) ... [2021-01-06 11:45:56,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:45:56" (1/1) ... [2021-01-06 11:45:56,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:45:56" (1/1) ... [2021-01-06 11:45:56,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:45:56" (1/1) ... [2021-01-06 11:45:56,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 11:45:56,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 11:45:56,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 11:45:56,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 11:45:56,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:45:56" (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 11:45:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 11:45:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 11:45:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 11:45:56,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 11:45:58,003 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 11:45:58,004 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 11:45:58,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:45:58 BoogieIcfgContainer [2021-01-06 11:45:58,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 11:45:58,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 11:45:58,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 11:45:58,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 11:45:58,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 11:45:55" (1/3) ... [2021-01-06 11:45:58,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572ae3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:45:58, skipping insertion in model container [2021-01-06 11:45:58,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:45:56" (2/3) ... [2021-01-06 11:45:58,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572ae3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:45:58, skipping insertion in model container [2021-01-06 11:45:58,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:45:58" (3/3) ... [2021-01-06 11:45:58,015 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label18.c [2021-01-06 11:45:58,022 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 11:45:58,028 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 11:45:58,047 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 11:45:58,076 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 11:45:58,076 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 11:45:58,076 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 11:45:58,076 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 11:45:58,076 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 11:45:58,077 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 11:45:58,077 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 11:45:58,077 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 11:45:58,098 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2021-01-06 11:45:58,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-01-06 11:45:58,110 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:45:58,111 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] [2021-01-06 11:45:58,112 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:45:58,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:45:58,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1128398527, now seen corresponding path program 1 times [2021-01-06 11:45:58,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:45:58,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197353815] [2021-01-06 11:45:58,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:45:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:45:58,947 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 11:45:58,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197353815] [2021-01-06 11:45:58,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:45:58,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:45:58,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737288733] [2021-01-06 11:45:58,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 11:45:58,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:45:58,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 11:45:58,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:45:58,984 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2021-01-06 11:46:00,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:00,408 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2021-01-06 11:46:00,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 11:46:00,410 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2021-01-06 11:46:00,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:00,429 INFO L225 Difference]: With dead ends: 662 [2021-01-06 11:46:00,429 INFO L226 Difference]: Without dead ends: 397 [2021-01-06 11:46:00,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:00,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2021-01-06 11:46:00,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2021-01-06 11:46:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2021-01-06 11:46:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions. [2021-01-06 11:46:00,514 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 100 [2021-01-06 11:46:00,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:00,515 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions. [2021-01-06 11:46:00,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 11:46:00,515 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions. [2021-01-06 11:46:00,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 11:46:00,522 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:00,522 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:00,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 11:46:00,523 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:00,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:00,524 INFO L82 PathProgramCache]: Analyzing trace with hash -877508142, now seen corresponding path program 1 times [2021-01-06 11:46:00,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:00,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261287366] [2021-01-06 11:46:00,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:46:00,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261287366] [2021-01-06 11:46:00,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:46:00,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:46:00,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963672471] [2021-01-06 11:46:00,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 11:46:00,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:00,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 11:46:00,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:46:00,852 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand 4 states. [2021-01-06 11:46:01,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:01,827 INFO L93 Difference]: Finished difference Result 887 states and 1235 transitions. [2021-01-06 11:46:01,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 11:46:01,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2021-01-06 11:46:01,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:01,837 INFO L225 Difference]: With dead ends: 887 [2021-01-06 11:46:01,837 INFO L226 Difference]: Without dead ends: 528 [2021-01-06 11:46:01,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:46:01,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-01-06 11:46:01,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 397. [2021-01-06 11:46:01,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2021-01-06 11:46:01,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions. [2021-01-06 11:46:01,894 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 107 [2021-01-06 11:46:01,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:01,895 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions. [2021-01-06 11:46:01,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 11:46:01,897 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions. [2021-01-06 11:46:01,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-01-06 11:46:01,906 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:01,907 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-01-06 11:46:01,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 11:46:01,907 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:01,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:01,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1262463760, now seen corresponding path program 1 times [2021-01-06 11:46:01,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:01,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287266826] [2021-01-06 11:46:01,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:02,046 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:46:02,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287266826] [2021-01-06 11:46:02,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:46:02,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:46:02,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152681323] [2021-01-06 11:46:02,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 11:46:02,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:02,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 11:46:02,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:46:02,055 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand 4 states. [2021-01-06 11:46:02,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:02,770 INFO L93 Difference]: Finished difference Result 1054 states and 1283 transitions. [2021-01-06 11:46:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 11:46:02,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2021-01-06 11:46:02,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:02,776 INFO L225 Difference]: With dead ends: 1054 [2021-01-06 11:46:02,776 INFO L226 Difference]: Without dead ends: 659 [2021-01-06 11:46:02,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:46:02,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2021-01-06 11:46:02,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2021-01-06 11:46:02,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2021-01-06 11:46:02,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 785 transitions. [2021-01-06 11:46:02,797 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 785 transitions. Word has length 115 [2021-01-06 11:46:02,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:02,798 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 785 transitions. [2021-01-06 11:46:02,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 11:46:02,798 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 785 transitions. [2021-01-06 11:46:02,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-01-06 11:46:02,800 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:02,800 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-01-06 11:46:02,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 11:46:02,801 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:02,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:02,802 INFO L82 PathProgramCache]: Analyzing trace with hash 235577714, now seen corresponding path program 1 times [2021-01-06 11:46:02,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:02,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896381109] [2021-01-06 11:46:02,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:02,880 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 11:46:02,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896381109] [2021-01-06 11:46:02,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:46:02,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:46:02,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419639962] [2021-01-06 11:46:02,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:02,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:02,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:02,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:46:02,884 INFO L87 Difference]: Start difference. First operand 659 states and 785 transitions. Second operand 3 states. [2021-01-06 11:46:03,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:03,354 INFO L93 Difference]: Finished difference Result 1840 states and 2182 transitions. [2021-01-06 11:46:03,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:46:03,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2021-01-06 11:46:03,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:03,360 INFO L225 Difference]: With dead ends: 1840 [2021-01-06 11:46:03,361 INFO L226 Difference]: Without dead ends: 1183 [2021-01-06 11:46:03,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:46:03,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2021-01-06 11:46:03,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2021-01-06 11:46:03,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2021-01-06 11:46:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1261 transitions. [2021-01-06 11:46:03,390 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1261 transitions. Word has length 124 [2021-01-06 11:46:03,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:03,391 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1261 transitions. [2021-01-06 11:46:03,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:46:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1261 transitions. [2021-01-06 11:46:03,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-01-06 11:46:03,393 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:03,394 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:03,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 11:46:03,394 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:03,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:03,395 INFO L82 PathProgramCache]: Analyzing trace with hash -272974047, now seen corresponding path program 1 times [2021-01-06 11:46:03,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:03,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277929333] [2021-01-06 11:46:03,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:03,496 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 11:46:03,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277929333] [2021-01-06 11:46:03,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122028046] [2021-01-06 11:46:03,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:46:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:03,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:46:03,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:46:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-01-06 11:46:03,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:46:03,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-01-06 11:46:03,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907797836] [2021-01-06 11:46:03,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:03,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:03,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:03,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:03,862 INFO L87 Difference]: Start difference. First operand 1052 states and 1261 transitions. Second operand 3 states. [2021-01-06 11:46:04,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:04,469 INFO L93 Difference]: Finished difference Result 2495 states and 2989 transitions. [2021-01-06 11:46:04,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:46:04,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2021-01-06 11:46:04,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:04,477 INFO L225 Difference]: With dead ends: 2495 [2021-01-06 11:46:04,478 INFO L226 Difference]: Without dead ends: 1314 [2021-01-06 11:46:04,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:04,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2021-01-06 11:46:04,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1052. [2021-01-06 11:46:04,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2021-01-06 11:46:04,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1201 transitions. [2021-01-06 11:46:04,508 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1201 transitions. Word has length 130 [2021-01-06 11:46:04,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:04,509 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1201 transitions. [2021-01-06 11:46:04,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:46:04,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1201 transitions. [2021-01-06 11:46:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-01-06 11:46:04,512 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:04,513 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:04,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:46:04,727 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:04,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:04,727 INFO L82 PathProgramCache]: Analyzing trace with hash -822596485, now seen corresponding path program 1 times [2021-01-06 11:46:04,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:04,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384159039] [2021-01-06 11:46:04,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:04,842 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-01-06 11:46:04,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384159039] [2021-01-06 11:46:04,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86735534] [2021-01-06 11:46:04,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:46:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:04,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:46:05,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:46:05,211 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-01-06 11:46:05,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:46:05,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-01-06 11:46:05,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392355773] [2021-01-06 11:46:05,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:05,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:05,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:05,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:05,214 INFO L87 Difference]: Start difference. First operand 1052 states and 1201 transitions. Second operand 3 states. [2021-01-06 11:46:05,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:05,725 INFO L93 Difference]: Finished difference Result 2495 states and 2866 transitions. [2021-01-06 11:46:05,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:46:05,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2021-01-06 11:46:05,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:05,734 INFO L225 Difference]: With dead ends: 2495 [2021-01-06 11:46:05,736 INFO L226 Difference]: Without dead ends: 1445 [2021-01-06 11:46:05,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:05,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2021-01-06 11:46:05,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1052. [2021-01-06 11:46:05,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2021-01-06 11:46:05,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1201 transitions. [2021-01-06 11:46:05,764 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1201 transitions. Word has length 146 [2021-01-06 11:46:05,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:05,764 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1201 transitions. [2021-01-06 11:46:05,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:46:05,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1201 transitions. [2021-01-06 11:46:05,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-01-06 11:46:05,768 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:05,768 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:05,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:46:05,983 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:05,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:05,984 INFO L82 PathProgramCache]: Analyzing trace with hash 2042875293, now seen corresponding path program 1 times [2021-01-06 11:46:05,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:05,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582189679] [2021-01-06 11:46:05,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:06,062 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-01-06 11:46:06,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582189679] [2021-01-06 11:46:06,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689578391] [2021-01-06 11:46:06,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:46:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:06,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:46:06,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:46:06,343 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-01-06 11:46:06,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:46:06,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-01-06 11:46:06,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260220623] [2021-01-06 11:46:06,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:06,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:06,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:06,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:06,349 INFO L87 Difference]: Start difference. First operand 1052 states and 1201 transitions. Second operand 3 states. [2021-01-06 11:46:06,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:06,876 INFO L93 Difference]: Finished difference Result 2231 states and 2552 transitions. [2021-01-06 11:46:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:46:06,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2021-01-06 11:46:06,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:06,877 INFO L225 Difference]: With dead ends: 2231 [2021-01-06 11:46:06,877 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 11:46:06,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:46:06,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 11:46:06,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 11:46:06,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 11:46:06,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 11:46:06,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2021-01-06 11:46:06,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:06,881 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 11:46:06,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:46:06,881 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 11:46:06,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 11:46:07,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:46:07,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 11:46:07,290 INFO L189 CegarLoopUtils]: For program point L564(line 564) no Hoare annotation was computed. [2021-01-06 11:46:07,290 INFO L189 CegarLoopUtils]: For program point L531(line 531) no Hoare annotation was computed. [2021-01-06 11:46:07,290 INFO L189 CegarLoopUtils]: For program point L498(line 498) no Hoare annotation was computed. [2021-01-06 11:46:07,290 INFO L189 CegarLoopUtils]: For program point L465(line 465) no Hoare annotation was computed. [2021-01-06 11:46:07,290 INFO L189 CegarLoopUtils]: For program point L432(line 432) no Hoare annotation was computed. [2021-01-06 11:46:07,290 INFO L189 CegarLoopUtils]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-01-06 11:46:07,291 INFO L189 CegarLoopUtils]: For program point L598(line 598) no Hoare annotation was computed. [2021-01-06 11:46:07,291 INFO L189 CegarLoopUtils]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-01-06 11:46:07,291 INFO L189 CegarLoopUtils]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,291 INFO L189 CegarLoopUtils]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,291 INFO L189 CegarLoopUtils]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,291 INFO L189 CegarLoopUtils]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,291 INFO L189 CegarLoopUtils]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-01-06 11:46:07,292 INFO L189 CegarLoopUtils]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,292 INFO L189 CegarLoopUtils]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,292 INFO L189 CegarLoopUtils]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-01-06 11:46:07,292 INFO L189 CegarLoopUtils]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-01-06 11:46:07,292 INFO L189 CegarLoopUtils]: For program point L567(line 567) no Hoare annotation was computed. [2021-01-06 11:46:07,292 INFO L189 CegarLoopUtils]: For program point L534(line 534) no Hoare annotation was computed. [2021-01-06 11:46:07,292 INFO L189 CegarLoopUtils]: For program point L501(line 501) no Hoare annotation was computed. [2021-01-06 11:46:07,292 INFO L189 CegarLoopUtils]: For program point L468(line 468) no Hoare annotation was computed. [2021-01-06 11:46:07,293 INFO L189 CegarLoopUtils]: For program point L435(line 435) no Hoare annotation was computed. [2021-01-06 11:46:07,293 INFO L189 CegarLoopUtils]: For program point L402(line 402) no Hoare annotation was computed. [2021-01-06 11:46:07,293 INFO L189 CegarLoopUtils]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-01-06 11:46:07,293 INFO L189 CegarLoopUtils]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-01-06 11:46:07,293 INFO L189 CegarLoopUtils]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-01-06 11:46:07,293 INFO L189 CegarLoopUtils]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-01-06 11:46:07,293 INFO L189 CegarLoopUtils]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,294 INFO L189 CegarLoopUtils]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,294 INFO L189 CegarLoopUtils]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,294 INFO L189 CegarLoopUtils]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,294 INFO L189 CegarLoopUtils]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,294 INFO L189 CegarLoopUtils]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-01-06 11:46:07,294 INFO L189 CegarLoopUtils]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,294 INFO L189 CegarLoopUtils]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-01-06 11:46:07,294 INFO L189 CegarLoopUtils]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-01-06 11:46:07,294 INFO L189 CegarLoopUtils]: For program point L570(line 570) no Hoare annotation was computed. [2021-01-06 11:46:07,295 INFO L189 CegarLoopUtils]: For program point L537(line 537) no Hoare annotation was computed. [2021-01-06 11:46:07,295 INFO L189 CegarLoopUtils]: For program point L504(line 504) no Hoare annotation was computed. [2021-01-06 11:46:07,295 INFO L189 CegarLoopUtils]: For program point L471(line 471) no Hoare annotation was computed. [2021-01-06 11:46:07,295 INFO L189 CegarLoopUtils]: For program point L438(line 438) no Hoare annotation was computed. [2021-01-06 11:46:07,295 INFO L189 CegarLoopUtils]: For program point L405(line 405) no Hoare annotation was computed. [2021-01-06 11:46:07,295 INFO L189 CegarLoopUtils]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-01-06 11:46:07,296 INFO L189 CegarLoopUtils]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-01-06 11:46:07,296 INFO L189 CegarLoopUtils]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-01-06 11:46:07,296 INFO L189 CegarLoopUtils]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-01-06 11:46:07,296 INFO L189 CegarLoopUtils]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-01-06 11:46:07,296 INFO L189 CegarLoopUtils]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-01-06 11:46:07,296 INFO L189 CegarLoopUtils]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,296 INFO L189 CegarLoopUtils]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,296 INFO L189 CegarLoopUtils]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,296 INFO L189 CegarLoopUtils]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,297 INFO L189 CegarLoopUtils]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,297 INFO L189 CegarLoopUtils]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,297 INFO L189 CegarLoopUtils]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-01-06 11:46:07,297 INFO L189 CegarLoopUtils]: For program point L573(line 573) no Hoare annotation was computed. [2021-01-06 11:46:07,297 INFO L189 CegarLoopUtils]: For program point L540(line 540) no Hoare annotation was computed. [2021-01-06 11:46:07,297 INFO L189 CegarLoopUtils]: For program point L507(line 507) no Hoare annotation was computed. [2021-01-06 11:46:07,297 INFO L189 CegarLoopUtils]: For program point L474(line 474) no Hoare annotation was computed. [2021-01-06 11:46:07,297 INFO L189 CegarLoopUtils]: For program point L441(line 441) no Hoare annotation was computed. [2021-01-06 11:46:07,298 INFO L189 CegarLoopUtils]: For program point L408(line 408) no Hoare annotation was computed. [2021-01-06 11:46:07,298 INFO L189 CegarLoopUtils]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-01-06 11:46:07,298 INFO L189 CegarLoopUtils]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-01-06 11:46:07,298 INFO L189 CegarLoopUtils]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-01-06 11:46:07,298 INFO L189 CegarLoopUtils]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-01-06 11:46:07,298 INFO L189 CegarLoopUtils]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-01-06 11:46:07,298 INFO L189 CegarLoopUtils]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,298 INFO L189 CegarLoopUtils]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,298 INFO L189 CegarLoopUtils]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,299 INFO L189 CegarLoopUtils]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,299 INFO L189 CegarLoopUtils]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,299 INFO L189 CegarLoopUtils]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,299 INFO L189 CegarLoopUtils]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-01-06 11:46:07,299 INFO L189 CegarLoopUtils]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-01-06 11:46:07,299 INFO L189 CegarLoopUtils]: For program point L576(line 576) no Hoare annotation was computed. [2021-01-06 11:46:07,299 INFO L189 CegarLoopUtils]: For program point L543(line 543) no Hoare annotation was computed. [2021-01-06 11:46:07,299 INFO L189 CegarLoopUtils]: For program point L510(line 510) no Hoare annotation was computed. [2021-01-06 11:46:07,299 INFO L189 CegarLoopUtils]: For program point L477(line 477) no Hoare annotation was computed. [2021-01-06 11:46:07,300 INFO L189 CegarLoopUtils]: For program point L444(line 444) no Hoare annotation was computed. [2021-01-06 11:46:07,300 INFO L189 CegarLoopUtils]: For program point L411(line 411) no Hoare annotation was computed. [2021-01-06 11:46:07,300 INFO L189 CegarLoopUtils]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-01-06 11:46:07,300 INFO L189 CegarLoopUtils]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-01-06 11:46:07,300 INFO L189 CegarLoopUtils]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,300 INFO L189 CegarLoopUtils]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,300 INFO L189 CegarLoopUtils]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,300 INFO L189 CegarLoopUtils]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,301 INFO L189 CegarLoopUtils]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,301 INFO L189 CegarLoopUtils]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,301 INFO L189 CegarLoopUtils]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-01-06 11:46:07,301 INFO L189 CegarLoopUtils]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-01-06 11:46:07,301 INFO L189 CegarLoopUtils]: For program point L579(line 579) no Hoare annotation was computed. [2021-01-06 11:46:07,301 INFO L189 CegarLoopUtils]: For program point L546(line 546) no Hoare annotation was computed. [2021-01-06 11:46:07,301 INFO L189 CegarLoopUtils]: For program point L513(line 513) no Hoare annotation was computed. [2021-01-06 11:46:07,301 INFO L189 CegarLoopUtils]: For program point L480(line 480) no Hoare annotation was computed. [2021-01-06 11:46:07,302 INFO L189 CegarLoopUtils]: For program point L447(line 447) no Hoare annotation was computed. [2021-01-06 11:46:07,302 INFO L189 CegarLoopUtils]: For program point L414(line 414) no Hoare annotation was computed. [2021-01-06 11:46:07,302 INFO L189 CegarLoopUtils]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-01-06 11:46:07,302 INFO L189 CegarLoopUtils]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-01-06 11:46:07,302 INFO L189 CegarLoopUtils]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-01-06 11:46:07,302 INFO L189 CegarLoopUtils]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-01-06 11:46:07,302 INFO L189 CegarLoopUtils]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-01-06 11:46:07,302 INFO L189 CegarLoopUtils]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-01-06 11:46:07,303 INFO L189 CegarLoopUtils]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-01-06 11:46:07,303 INFO L189 CegarLoopUtils]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,303 INFO L189 CegarLoopUtils]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,303 INFO L189 CegarLoopUtils]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,303 INFO L189 CegarLoopUtils]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,303 INFO L189 CegarLoopUtils]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,303 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 11:46:07,303 INFO L189 CegarLoopUtils]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-01-06 11:46:07,303 INFO L189 CegarLoopUtils]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-01-06 11:46:07,304 INFO L189 CegarLoopUtils]: For program point L582(line 582) no Hoare annotation was computed. [2021-01-06 11:46:07,304 INFO L189 CegarLoopUtils]: For program point L549(line 549) no Hoare annotation was computed. [2021-01-06 11:46:07,304 INFO L189 CegarLoopUtils]: For program point L516(line 516) no Hoare annotation was computed. [2021-01-06 11:46:07,304 INFO L189 CegarLoopUtils]: For program point L483(line 483) no Hoare annotation was computed. [2021-01-06 11:46:07,304 INFO L189 CegarLoopUtils]: For program point L450(line 450) no Hoare annotation was computed. [2021-01-06 11:46:07,304 INFO L189 CegarLoopUtils]: For program point L417(line 417) no Hoare annotation was computed. [2021-01-06 11:46:07,304 INFO L189 CegarLoopUtils]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-01-06 11:46:07,305 INFO L185 CegarLoopUtils]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (not (= ~a7~0 1))) (.cse2 (<= 15 ~a8~0)) (.cse3 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2) (and (= ~a21~0 1) (= ~a12~0 8) (= ~a20~0 1) .cse1 .cse3) (and (<= ~a16~0 5) .cse0) (and .cse1 .cse2 .cse3) (<= ~a8~0 13))) [2021-01-06 11:46:07,305 INFO L189 CegarLoopUtils]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,305 INFO L189 CegarLoopUtils]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,305 INFO L189 CegarLoopUtils]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,305 INFO L189 CegarLoopUtils]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,305 INFO L189 CegarLoopUtils]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,306 INFO L189 CegarLoopUtils]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-01-06 11:46:07,306 INFO L189 CegarLoopUtils]: For program point L552(line 552) no Hoare annotation was computed. [2021-01-06 11:46:07,306 INFO L189 CegarLoopUtils]: For program point L519(line 519) no Hoare annotation was computed. [2021-01-06 11:46:07,306 INFO L189 CegarLoopUtils]: For program point L486(line 486) no Hoare annotation was computed. [2021-01-06 11:46:07,306 INFO L189 CegarLoopUtils]: For program point L453(line 453) no Hoare annotation was computed. [2021-01-06 11:46:07,306 INFO L189 CegarLoopUtils]: For program point L420(line 420) no Hoare annotation was computed. [2021-01-06 11:46:07,306 INFO L189 CegarLoopUtils]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-01-06 11:46:07,306 INFO L189 CegarLoopUtils]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-01-06 11:46:07,307 INFO L189 CegarLoopUtils]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-01-06 11:46:07,307 INFO L189 CegarLoopUtils]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-01-06 11:46:07,307 INFO L189 CegarLoopUtils]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-01-06 11:46:07,307 INFO L189 CegarLoopUtils]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-01-06 11:46:07,307 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 11:46:07,307 INFO L189 CegarLoopUtils]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-01-06 11:46:07,307 INFO L192 CegarLoopUtils]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-01-06 11:46:07,307 INFO L189 CegarLoopUtils]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,308 INFO L189 CegarLoopUtils]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,308 INFO L189 CegarLoopUtils]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,308 INFO L189 CegarLoopUtils]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,308 INFO L189 CegarLoopUtils]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,308 INFO L189 CegarLoopUtils]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-01-06 11:46:07,308 INFO L189 CegarLoopUtils]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-01-06 11:46:07,308 INFO L189 CegarLoopUtils]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-01-06 11:46:07,308 INFO L189 CegarLoopUtils]: For program point L555(line 555) no Hoare annotation was computed. [2021-01-06 11:46:07,308 INFO L189 CegarLoopUtils]: For program point L522(line 522) no Hoare annotation was computed. [2021-01-06 11:46:07,309 INFO L189 CegarLoopUtils]: For program point L489(line 489) no Hoare annotation was computed. [2021-01-06 11:46:07,309 INFO L189 CegarLoopUtils]: For program point L456(line 456) no Hoare annotation was computed. [2021-01-06 11:46:07,309 INFO L189 CegarLoopUtils]: For program point L423(line 423) no Hoare annotation was computed. [2021-01-06 11:46:07,309 INFO L189 CegarLoopUtils]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-01-06 11:46:07,309 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 11:46:07,309 INFO L189 CegarLoopUtils]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,309 INFO L189 CegarLoopUtils]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,309 INFO L189 CegarLoopUtils]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,309 INFO L189 CegarLoopUtils]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,309 INFO L189 CegarLoopUtils]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-01-06 11:46:07,310 INFO L189 CegarLoopUtils]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,310 INFO L189 CegarLoopUtils]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-01-06 11:46:07,310 INFO L189 CegarLoopUtils]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-01-06 11:46:07,310 INFO L189 CegarLoopUtils]: For program point L558(line 558) no Hoare annotation was computed. [2021-01-06 11:46:07,310 INFO L189 CegarLoopUtils]: For program point L525(line 525) no Hoare annotation was computed. [2021-01-06 11:46:07,310 INFO L189 CegarLoopUtils]: For program point L492(line 492) no Hoare annotation was computed. [2021-01-06 11:46:07,310 INFO L189 CegarLoopUtils]: For program point L459(line 459) no Hoare annotation was computed. [2021-01-06 11:46:07,310 INFO L189 CegarLoopUtils]: For program point L426(line 426) no Hoare annotation was computed. [2021-01-06 11:46:07,310 INFO L189 CegarLoopUtils]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-01-06 11:46:07,311 INFO L189 CegarLoopUtils]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-01-06 11:46:07,311 INFO L189 CegarLoopUtils]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-01-06 11:46:07,311 INFO L189 CegarLoopUtils]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-01-06 11:46:07,311 INFO L189 CegarLoopUtils]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-01-06 11:46:07,311 INFO L189 CegarLoopUtils]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-01-06 11:46:07,311 INFO L189 CegarLoopUtils]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,311 INFO L185 CegarLoopUtils]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (not (= ~a7~0 1))) (.cse2 (<= 15 ~a8~0)) (.cse3 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2) (and (= ~a21~0 1) (= ~a12~0 8) (= ~a20~0 1) .cse1 .cse3) (and (<= ~a16~0 5) .cse0) (and .cse1 .cse2 .cse3) (<= ~a8~0 13))) [2021-01-06 11:46:07,311 INFO L189 CegarLoopUtils]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,312 INFO L189 CegarLoopUtils]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,312 INFO L189 CegarLoopUtils]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,312 INFO L189 CegarLoopUtils]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,312 INFO L189 CegarLoopUtils]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-01-06 11:46:07,312 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 11:46:07,312 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 486) no Hoare annotation was computed. [2021-01-06 11:46:07,312 INFO L189 CegarLoopUtils]: For program point L561(line 561) no Hoare annotation was computed. [2021-01-06 11:46:07,312 INFO L189 CegarLoopUtils]: For program point L528(line 528) no Hoare annotation was computed. [2021-01-06 11:46:07,313 INFO L189 CegarLoopUtils]: For program point L495(line 495) no Hoare annotation was computed. [2021-01-06 11:46:07,313 INFO L189 CegarLoopUtils]: For program point L462(line 462) no Hoare annotation was computed. [2021-01-06 11:46:07,313 INFO L189 CegarLoopUtils]: For program point L429(line 429) no Hoare annotation was computed. [2021-01-06 11:46:07,313 INFO L189 CegarLoopUtils]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-01-06 11:46:07,313 INFO L189 CegarLoopUtils]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-01-06 11:46:07,313 INFO L189 CegarLoopUtils]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,313 INFO L189 CegarLoopUtils]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,313 INFO L189 CegarLoopUtils]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,313 INFO L189 CegarLoopUtils]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,314 INFO L189 CegarLoopUtils]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:46:07,314 INFO L189 CegarLoopUtils]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-01-06 11:46:07,314 INFO L189 CegarLoopUtils]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-01-06 11:46:07,314 INFO L189 CegarLoopUtils]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-01-06 11:46:07,314 INFO L189 CegarLoopUtils]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-01-06 11:46:07,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 11:46:07 BoogieIcfgContainer [2021-01-06 11:46:07,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 11:46:07,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 11:46:07,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 11:46:07,351 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 11:46:07,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:45:58" (3/4) ... [2021-01-06 11:46:07,355 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 11:46:07,390 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-01-06 11:46:07,391 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 11:46:07,393 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 11:46:07,395 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 11:46:07,603 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem01_label18.c-witness.graphml [2021-01-06 11:46:07,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 11:46:07,607 INFO L168 Benchmark]: Toolchain (without parser) took 12191.03 ms. Allocated memory was 155.2 MB in the beginning and 244.3 MB in the end (delta: 89.1 MB). Free memory was 129.2 MB in the beginning and 179.7 MB in the end (delta: -50.6 MB). Peak memory consumption was 39.5 MB. Max. memory is 8.0 GB. [2021-01-06 11:46:07,607 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 155.2 MB. Free memory is still 129.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 11:46:07,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.76 ms. Allocated memory is still 155.2 MB. Free memory was 129.0 MB in the beginning and 133.7 MB in the end (delta: -4.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 8.0 GB. [2021-01-06 11:46:07,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.62 ms. Allocated memory is still 155.2 MB. Free memory was 133.7 MB in the beginning and 127.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-01-06 11:46:07,609 INFO L168 Benchmark]: Boogie Preprocessor took 114.56 ms. Allocated memory is still 155.2 MB. Free memory was 127.8 MB in the beginning and 123.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-06 11:46:07,609 INFO L168 Benchmark]: RCFGBuilder took 1642.21 ms. Allocated memory is still 155.2 MB. Free memory was 123.1 MB in the beginning and 102.2 MB in the end (delta: 20.9 MB). Peak memory consumption was 79.1 MB. Max. memory is 8.0 GB. [2021-01-06 11:46:07,610 INFO L168 Benchmark]: TraceAbstraction took 9342.48 ms. Allocated memory was 155.2 MB in the beginning and 244.3 MB in the end (delta: 89.1 MB). Free memory was 101.6 MB in the beginning and 194.4 MB in the end (delta: -92.7 MB). Peak memory consumption was 114.6 MB. Max. memory is 8.0 GB. [2021-01-06 11:46:07,610 INFO L168 Benchmark]: Witness Printer took 253.72 ms. Allocated memory is still 244.3 MB. Free memory was 194.4 MB in the beginning and 179.7 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-01-06 11:46:07,612 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 155.2 MB. Free memory is still 129.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 712.76 ms. Allocated memory is still 155.2 MB. Free memory was 129.0 MB in the beginning and 133.7 MB in the end (delta: -4.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 112.62 ms. Allocated memory is still 155.2 MB. Free memory was 133.7 MB in the beginning and 127.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 114.56 ms. Allocated memory is still 155.2 MB. Free memory was 127.8 MB in the beginning and 123.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1642.21 ms. Allocated memory is still 155.2 MB. Free memory was 123.1 MB in the beginning and 102.2 MB in the end (delta: 20.9 MB). Peak memory consumption was 79.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9342.48 ms. Allocated memory was 155.2 MB in the beginning and 244.3 MB in the end (delta: 89.1 MB). Free memory was 101.6 MB in the beginning and 194.4 MB in the end (delta: -92.7 MB). Peak memory consumption was 114.6 MB. Max. memory is 8.0 GB. * Witness Printer took 253.72 ms. Allocated memory is still 244.3 MB. Free memory was 194.4 MB in the beginning and 179.7 MB in the end (delta: 14.6 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: 486]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((a17 <= 0 && !(a7 == 1)) && 15 <= a8) || ((((a21 == 1 && a12 == 8) && a20 == 1) && !(a7 == 1)) && a17 == 1)) || (a16 <= 5 && a17 <= 0)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1)) || a8 <= 13 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((a17 <= 0 && !(a7 == 1)) && 15 <= a8) || ((((a21 == 1 && a12 == 8) && a20 == 1) && !(a7 == 1)) && a17 == 1)) || (a16 <= 5 && a17 <= 0)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1)) || a8 <= 13 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.0s, OverallIterations: 7, TraceHistogramMax: 5, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 541 SDtfs, 1140 SDslu, 55 SDs, 0 SdLazy, 2872 SolverSat, 628 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 444 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1052occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 917 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 28 NumberOfFragments, 101 HoareAnnotationTreeSize, 3 FomulaSimplifications, 800 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1296 NumberOfCodeBlocks, 1296 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1286 ConstructedInterpolants, 0 QuantifiedInterpolants, 702644 SizeOfPredicates, 0 NumberOfNonLiveVariables, 975 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 464/473 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...