/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_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:50:39,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:50:39,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:50:39,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:50:39,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:50:39,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:50:39,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:50:39,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:50:39,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:50:39,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:50:39,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:50:39,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:50:39,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:50:39,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:50:39,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:50:39,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:50:39,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:50:39,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:50:39,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:50:39,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:50:39,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:50:39,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:50:39,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:50:39,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:50:39,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 01:50:39,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 01:50:39,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 01:50:39,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 01:50:39,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 01:50:39,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 01:50:39,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 01:50:39,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 01:50:39,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 01:50:39,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 01:50:39,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 01:50:39,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 01:50:39,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 01:50:39,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 01:50:39,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:50:39,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:50:39,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:50:39,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 01:50:39,797 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:50:39,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:50:39,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:50:39,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:50:39,801 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:50:39,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:50:39,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:50:39,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:50:39,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:50:39,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:50:39,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:50:39,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:50:39,806 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:50:39,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:50:39,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:50:39,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:50:39,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:50:39,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:50:39,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:50:39,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:50:39,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:50:39,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:50:39,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:50:39,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:50:39,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:50:39,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:50:40,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:50:40,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:50:40,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:50:40,344 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:50:40,345 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:50:40,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label02.c [2020-12-23 01:50:40,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9662993ea/981140107ff140c0b2ce3561891c8170/FLAG77b284c66 [2020-12-23 01:50:41,203 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:50:41,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label02.c [2020-12-23 01:50:41,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9662993ea/981140107ff140c0b2ce3561891c8170/FLAG77b284c66 [2020-12-23 01:50:41,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9662993ea/981140107ff140c0b2ce3561891c8170 [2020-12-23 01:50:41,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:50:41,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:50:41,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:50:41,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:50:41,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:50:41,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:50:41" (1/1) ... [2020-12-23 01:50:41,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a2e8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:41, skipping insertion in model container [2020-12-23 01:50:41,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:50:41" (1/1) ... [2020-12-23 01:50:41,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:50:41,547 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] [2020-12-23 01:50:41,902 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_label02.c[16747,16760] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:50:41,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:50:41,953 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] [2020-12-23 01:50:42,198 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_label02.c[16747,16760] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:50:42,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:50:42,260 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:50:42,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:42 WrapperNode [2020-12-23 01:50:42,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:50:42,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:50:42,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:50:42,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:50:42,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:42" (1/1) ... [2020-12-23 01:50:42,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:42" (1/1) ... [2020-12-23 01:50:42,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:50:42,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:50:42,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:50:42,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:50:42,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:42" (1/1) ... [2020-12-23 01:50:42,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:42" (1/1) ... [2020-12-23 01:50:42,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:42" (1/1) ... [2020-12-23 01:50:42,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:42" (1/1) ... [2020-12-23 01:50:42,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:42" (1/1) ... [2020-12-23 01:50:42,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:42" (1/1) ... [2020-12-23 01:50:42,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:42" (1/1) ... [2020-12-23 01:50:42,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:50:42,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:50:42,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:50:42,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:50:42,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:50:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:50:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:50:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:50:42,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:50:43,835 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:50:43,836 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 01:50:43,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:50:43 BoogieIcfgContainer [2020-12-23 01:50:43,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:50:43,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:50:43,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:50:43,844 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:50:43,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:50:41" (1/3) ... [2020-12-23 01:50:43,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60373bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:50:43, skipping insertion in model container [2020-12-23 01:50:43,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:50:42" (2/3) ... [2020-12-23 01:50:43,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60373bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:50:43, skipping insertion in model container [2020-12-23 01:50:43,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:50:43" (3/3) ... [2020-12-23 01:50:43,848 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label02.c [2020-12-23 01:50:43,855 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:50:43,861 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:50:43,882 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:50:43,914 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:50:43,914 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:50:43,915 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:50:43,915 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:50:43,915 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:50:43,915 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:50:43,915 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:50:43,915 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:50:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-12-23 01:50:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 01:50:43,949 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:43,950 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] [2020-12-23 01:50:43,950 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:43,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:43,958 INFO L82 PathProgramCache]: Analyzing trace with hash -776841673, now seen corresponding path program 1 times [2020-12-23 01:50:43,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:43,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98621233] [2020-12-23 01:50:43,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:44,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:50:44,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98621233] [2020-12-23 01:50:44,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:44,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:44,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475246551] [2020-12-23 01:50:44,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:44,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:44,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:44,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:44,483 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2020-12-23 01:50:45,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:45,352 INFO L93 Difference]: Finished difference Result 553 states and 940 transitions. [2020-12-23 01:50:45,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:45,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-12-23 01:50:45,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:45,371 INFO L225 Difference]: With dead ends: 553 [2020-12-23 01:50:45,371 INFO L226 Difference]: Without dead ends: 266 [2020-12-23 01:50:45,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:45,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-12-23 01:50:45,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-12-23 01:50:45,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-12-23 01:50:45,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-12-23 01:50:45,447 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 90 [2020-12-23 01:50:45,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:45,448 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-12-23 01:50:45,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:45,449 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-12-23 01:50:45,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 01:50:45,454 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:45,454 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:45,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:50:45,455 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:45,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:45,456 INFO L82 PathProgramCache]: Analyzing trace with hash 904352266, now seen corresponding path program 1 times [2020-12-23 01:50:45,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:45,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81821452] [2020-12-23 01:50:45,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:50:45,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81821452] [2020-12-23 01:50:45,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:45,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:45,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991108857] [2020-12-23 01:50:45,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:45,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:45,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:45,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:45,553 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-12-23 01:50:46,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:46,104 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2020-12-23 01:50:46,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:46,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-12-23 01:50:46,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:46,110 INFO L225 Difference]: With dead ends: 792 [2020-12-23 01:50:46,110 INFO L226 Difference]: Without dead ends: 528 [2020-12-23 01:50:46,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:46,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-12-23 01:50:46,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-12-23 01:50:46,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-12-23 01:50:46,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 709 transitions. [2020-12-23 01:50:46,148 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 709 transitions. Word has length 96 [2020-12-23 01:50:46,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:46,148 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 709 transitions. [2020-12-23 01:50:46,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:46,149 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 709 transitions. [2020-12-23 01:50:46,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 01:50:46,154 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:46,154 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] [2020-12-23 01:50:46,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:50:46,155 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:46,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:46,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1983827210, now seen corresponding path program 1 times [2020-12-23 01:50:46,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:46,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493126041] [2020-12-23 01:50:46,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 01:50:46,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493126041] [2020-12-23 01:50:46,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:46,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:46,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281587058] [2020-12-23 01:50:46,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:46,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:46,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:46,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:46,332 INFO L87 Difference]: Start difference. First operand 528 states and 709 transitions. Second operand 3 states. [2020-12-23 01:50:46,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:46,866 INFO L93 Difference]: Finished difference Result 1578 states and 2122 transitions. [2020-12-23 01:50:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:46,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-12-23 01:50:46,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:46,873 INFO L225 Difference]: With dead ends: 1578 [2020-12-23 01:50:46,874 INFO L226 Difference]: Without dead ends: 1052 [2020-12-23 01:50:46,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:46,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-12-23 01:50:46,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2020-12-23 01:50:46,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-12-23 01:50:46,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1365 transitions. [2020-12-23 01:50:46,910 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1365 transitions. Word has length 97 [2020-12-23 01:50:46,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:46,913 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1365 transitions. [2020-12-23 01:50:46,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:46,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1365 transitions. [2020-12-23 01:50:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-23 01:50:46,926 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:46,929 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:46,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 01:50:46,930 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:46,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:46,930 INFO L82 PathProgramCache]: Analyzing trace with hash 2001673946, now seen corresponding path program 1 times [2020-12-23 01:50:46,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:46,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62646719] [2020-12-23 01:50:46,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:47,077 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-23 01:50:47,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62646719] [2020-12-23 01:50:47,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:47,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:50:47,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064551471] [2020-12-23 01:50:47,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:47,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:47,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:47,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:47,082 INFO L87 Difference]: Start difference. First operand 1052 states and 1365 transitions. Second operand 3 states. [2020-12-23 01:50:47,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:47,822 INFO L93 Difference]: Finished difference Result 2888 states and 3762 transitions. [2020-12-23 01:50:47,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:47,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-12-23 01:50:47,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:47,833 INFO L225 Difference]: With dead ends: 2888 [2020-12-23 01:50:47,833 INFO L226 Difference]: Without dead ends: 1838 [2020-12-23 01:50:47,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:47,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-12-23 01:50:47,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1314. [2020-12-23 01:50:47,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-12-23 01:50:47,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1646 transitions. [2020-12-23 01:50:47,873 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1646 transitions. Word has length 110 [2020-12-23 01:50:47,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:47,873 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1646 transitions. [2020-12-23 01:50:47,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:47,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1646 transitions. [2020-12-23 01:50:47,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-23 01:50:47,876 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:47,877 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:47,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 01:50:47,877 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:47,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:47,878 INFO L82 PathProgramCache]: Analyzing trace with hash -565296924, now seen corresponding path program 1 times [2020-12-23 01:50:47,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:47,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923927533] [2020-12-23 01:50:47,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:48,000 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:50:48,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923927533] [2020-12-23 01:50:48,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:48,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:50:48,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450432223] [2020-12-23 01:50:48,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:48,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:48,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:48,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:48,005 INFO L87 Difference]: Start difference. First operand 1314 states and 1646 transitions. Second operand 3 states. [2020-12-23 01:50:48,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:48,655 INFO L93 Difference]: Finished difference Result 3936 states and 4933 transitions. [2020-12-23 01:50:48,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:48,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-12-23 01:50:48,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:48,670 INFO L225 Difference]: With dead ends: 3936 [2020-12-23 01:50:48,670 INFO L226 Difference]: Without dead ends: 2624 [2020-12-23 01:50:48,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:48,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-12-23 01:50:48,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2362. [2020-12-23 01:50:48,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-12-23 01:50:48,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2877 transitions. [2020-12-23 01:50:48,753 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2877 transitions. Word has length 113 [2020-12-23 01:50:48,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:48,754 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2877 transitions. [2020-12-23 01:50:48,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2877 transitions. [2020-12-23 01:50:48,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-23 01:50:48,759 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:48,759 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:48,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 01:50:48,760 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:48,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:48,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1892128057, now seen corresponding path program 1 times [2020-12-23 01:50:48,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:48,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344163537] [2020-12-23 01:50:48,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:48,917 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:50:48,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344163537] [2020-12-23 01:50:48,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:48,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:50:48,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175964631] [2020-12-23 01:50:48,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 01:50:48,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:48,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 01:50:48,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:50:48,920 INFO L87 Difference]: Start difference. First operand 2362 states and 2877 transitions. Second operand 4 states. [2020-12-23 01:50:49,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:49,814 INFO L93 Difference]: Finished difference Result 5246 states and 6319 transitions. [2020-12-23 01:50:49,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 01:50:49,815 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2020-12-23 01:50:49,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:49,830 INFO L225 Difference]: With dead ends: 5246 [2020-12-23 01:50:49,831 INFO L226 Difference]: Without dead ends: 3017 [2020-12-23 01:50:49,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:50:49,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2020-12-23 01:50:49,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2624. [2020-12-23 01:50:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2624 states. [2020-12-23 01:50:49,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 3146 transitions. [2020-12-23 01:50:49,892 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 3146 transitions. Word has length 116 [2020-12-23 01:50:49,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:49,892 INFO L481 AbstractCegarLoop]: Abstraction has 2624 states and 3146 transitions. [2020-12-23 01:50:49,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 01:50:49,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 3146 transitions. [2020-12-23 01:50:49,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 01:50:49,897 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:49,898 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:49,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 01:50:49,898 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:49,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:49,899 INFO L82 PathProgramCache]: Analyzing trace with hash -716022054, now seen corresponding path program 1 times [2020-12-23 01:50:49,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:49,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358636734] [2020-12-23 01:50:49,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-23 01:50:49,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358636734] [2020-12-23 01:50:49,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:49,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:49,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438370935] [2020-12-23 01:50:49,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:49,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:49,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:49,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:49,958 INFO L87 Difference]: Start difference. First operand 2624 states and 3146 transitions. Second operand 3 states. [2020-12-23 01:50:50,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:50,587 INFO L93 Difference]: Finished difference Result 5377 states and 6421 transitions. [2020-12-23 01:50:50,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:50,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-23 01:50:50,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:50,602 INFO L225 Difference]: With dead ends: 5377 [2020-12-23 01:50:50,603 INFO L226 Difference]: Without dead ends: 2624 [2020-12-23 01:50:50,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:50,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-12-23 01:50:50,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2624. [2020-12-23 01:50:50,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2624 states. [2020-12-23 01:50:50,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 2927 transitions. [2020-12-23 01:50:50,672 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 2927 transitions. Word has length 117 [2020-12-23 01:50:50,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:50,674 INFO L481 AbstractCegarLoop]: Abstraction has 2624 states and 2927 transitions. [2020-12-23 01:50:50,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:50,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2927 transitions. [2020-12-23 01:50:50,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 01:50:50,679 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:50,680 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:50,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 01:50:50,680 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:50,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:50,681 INFO L82 PathProgramCache]: Analyzing trace with hash -867091550, now seen corresponding path program 1 times [2020-12-23 01:50:50,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:50,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85404489] [2020-12-23 01:50:50,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:50,768 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-23 01:50:50,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85404489] [2020-12-23 01:50:50,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:50,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:50,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398050253] [2020-12-23 01:50:50,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:50,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:50,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:50,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:50,772 INFO L87 Difference]: Start difference. First operand 2624 states and 2927 transitions. Second operand 3 states. [2020-12-23 01:50:51,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:51,265 INFO L93 Difference]: Finished difference Result 5115 states and 5714 transitions. [2020-12-23 01:50:51,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:51,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 01:50:51,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:51,277 INFO L225 Difference]: With dead ends: 5115 [2020-12-23 01:50:51,277 INFO L226 Difference]: Without dead ends: 2624 [2020-12-23 01:50:51,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:51,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-12-23 01:50:51,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2624. [2020-12-23 01:50:51,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2624 states. [2020-12-23 01:50:51,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 2884 transitions. [2020-12-23 01:50:51,363 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 2884 transitions. Word has length 121 [2020-12-23 01:50:51,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:51,363 INFO L481 AbstractCegarLoop]: Abstraction has 2624 states and 2884 transitions. [2020-12-23 01:50:51,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:51,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2884 transitions. [2020-12-23 01:50:51,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-23 01:50:51,368 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:51,368 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:51,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 01:50:51,369 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:51,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:51,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1286496388, now seen corresponding path program 1 times [2020-12-23 01:50:51,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:51,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119439221] [2020-12-23 01:50:51,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-23 01:50:51,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119439221] [2020-12-23 01:50:51,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:51,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:50:51,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211761538] [2020-12-23 01:50:51,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:51,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:51,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:51,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:51,456 INFO L87 Difference]: Start difference. First operand 2624 states and 2884 transitions. Second operand 3 states. [2020-12-23 01:50:52,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:52,042 INFO L93 Difference]: Finished difference Result 5901 states and 6524 transitions. [2020-12-23 01:50:52,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:52,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-12-23 01:50:52,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:52,057 INFO L225 Difference]: With dead ends: 5901 [2020-12-23 01:50:52,057 INFO L226 Difference]: Without dead ends: 3410 [2020-12-23 01:50:52,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:52,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2020-12-23 01:50:52,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3148. [2020-12-23 01:50:52,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3148 states. [2020-12-23 01:50:52,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3497 transitions. [2020-12-23 01:50:52,171 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3497 transitions. Word has length 130 [2020-12-23 01:50:52,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:52,172 INFO L481 AbstractCegarLoop]: Abstraction has 3148 states and 3497 transitions. [2020-12-23 01:50:52,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:52,172 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3497 transitions. [2020-12-23 01:50:52,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-12-23 01:50:52,178 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:52,178 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:52,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 01:50:52,179 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:52,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:52,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1943350850, now seen corresponding path program 1 times [2020-12-23 01:50:52,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:52,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958953319] [2020-12-23 01:50:52,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-23 01:50:52,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958953319] [2020-12-23 01:50:52,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:50:52,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:50:52,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92345766] [2020-12-23 01:50:52,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:52,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:52,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:52,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:52,280 INFO L87 Difference]: Start difference. First operand 3148 states and 3497 transitions. Second operand 3 states. [2020-12-23 01:50:52,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:52,914 INFO L93 Difference]: Finished difference Result 6163 states and 6854 transitions. [2020-12-23 01:50:52,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:52,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-12-23 01:50:52,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:52,930 INFO L225 Difference]: With dead ends: 6163 [2020-12-23 01:50:52,931 INFO L226 Difference]: Without dead ends: 3148 [2020-12-23 01:50:52,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:50:52,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-12-23 01:50:53,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3148. [2020-12-23 01:50:53,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3148 states. [2020-12-23 01:50:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3487 transitions. [2020-12-23 01:50:53,036 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3487 transitions. Word has length 146 [2020-12-23 01:50:53,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:53,036 INFO L481 AbstractCegarLoop]: Abstraction has 3148 states and 3487 transitions. [2020-12-23 01:50:53,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:53,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3487 transitions. [2020-12-23 01:50:53,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-12-23 01:50:53,041 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:53,042 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:53,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 01:50:53,042 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:53,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:53,043 INFO L82 PathProgramCache]: Analyzing trace with hash -2008053258, now seen corresponding path program 1 times [2020-12-23 01:50:53,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:53,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093650746] [2020-12-23 01:50:53,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 65 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-23 01:50:53,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093650746] [2020-12-23 01:50:53,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276253416] [2020-12-23 01:50:53,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:50:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:53,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:50:53,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:50:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-23 01:50:53,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:50:53,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:50:53,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083064375] [2020-12-23 01:50:53,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:53,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:53,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:53,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:50:53,529 INFO L87 Difference]: Start difference. First operand 3148 states and 3487 transitions. Second operand 3 states. [2020-12-23 01:50:54,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:54,046 INFO L93 Difference]: Finished difference Result 6163 states and 6838 transitions. [2020-12-23 01:50:54,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:54,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-12-23 01:50:54,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:54,060 INFO L225 Difference]: With dead ends: 6163 [2020-12-23 01:50:54,061 INFO L226 Difference]: Without dead ends: 3148 [2020-12-23 01:50:54,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:50:54,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-12-23 01:50:54,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3148. [2020-12-23 01:50:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3148 states. [2020-12-23 01:50:54,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3461 transitions. [2020-12-23 01:50:54,126 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3461 transitions. Word has length 150 [2020-12-23 01:50:54,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:54,127 INFO L481 AbstractCegarLoop]: Abstraction has 3148 states and 3461 transitions. [2020-12-23 01:50:54,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:54,127 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3461 transitions. [2020-12-23 01:50:54,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-23 01:50:54,132 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:54,133 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-23 01:50:54,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 01:50:54,349 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:54,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:54,350 INFO L82 PathProgramCache]: Analyzing trace with hash 7805730, now seen corresponding path program 1 times [2020-12-23 01:50:54,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:54,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193420380] [2020-12-23 01:50:54,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 70 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-23 01:50:54,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193420380] [2020-12-23 01:50:54,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428855166] [2020-12-23 01:50:54,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:50:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:54,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:50:54,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:50:54,788 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-12-23 01:50:54,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:50:54,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:50:54,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391786060] [2020-12-23 01:50:54,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:54,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:54,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:54,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:50:54,790 INFO L87 Difference]: Start difference. First operand 3148 states and 3461 transitions. Second operand 3 states. [2020-12-23 01:50:55,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:55,330 INFO L93 Difference]: Finished difference Result 6163 states and 6786 transitions. [2020-12-23 01:50:55,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:55,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-12-23 01:50:55,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:55,361 INFO L225 Difference]: With dead ends: 6163 [2020-12-23 01:50:55,361 INFO L226 Difference]: Without dead ends: 3148 [2020-12-23 01:50:55,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:50:55,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-12-23 01:50:55,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3017. [2020-12-23 01:50:55,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-12-23 01:50:55,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3257 transitions. [2020-12-23 01:50:55,424 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3257 transitions. Word has length 155 [2020-12-23 01:50:55,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:55,425 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3257 transitions. [2020-12-23 01:50:55,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:55,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3257 transitions. [2020-12-23 01:50:55,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-23 01:50:55,431 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:55,432 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-23 01:50:55,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 01:50:55,659 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:55,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:55,660 INFO L82 PathProgramCache]: Analyzing trace with hash -967776360, now seen corresponding path program 1 times [2020-12-23 01:50:55,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:55,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027355331] [2020-12-23 01:50:55,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:55,761 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 74 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-23 01:50:55,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027355331] [2020-12-23 01:50:55,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993086581] [2020-12-23 01:50:55,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:50:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:55,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:50:55,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:50:56,122 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-12-23 01:50:56,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:50:56,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:50:56,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278737162] [2020-12-23 01:50:56,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:56,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:56,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:56,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:50:56,125 INFO L87 Difference]: Start difference. First operand 3017 states and 3257 transitions. Second operand 3 states. [2020-12-23 01:50:56,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:56,631 INFO L93 Difference]: Finished difference Result 3543 states and 3831 transitions. [2020-12-23 01:50:56,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:56,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-12-23 01:50:56,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:56,646 INFO L225 Difference]: With dead ends: 3543 [2020-12-23 01:50:56,647 INFO L226 Difference]: Without dead ends: 3541 [2020-12-23 01:50:56,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:50:56,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3541 states. [2020-12-23 01:50:56,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3541 to 3279. [2020-12-23 01:50:56,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3279 states. [2020-12-23 01:50:56,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 3549 transitions. [2020-12-23 01:50:56,713 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 3549 transitions. Word has length 159 [2020-12-23 01:50:56,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:56,714 INFO L481 AbstractCegarLoop]: Abstraction has 3279 states and 3549 transitions. [2020-12-23 01:50:56,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:56,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 3549 transitions. [2020-12-23 01:50:56,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-12-23 01:50:56,722 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:56,722 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-12-23 01:50:56,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-23 01:50:56,936 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:56,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:56,937 INFO L82 PathProgramCache]: Analyzing trace with hash 70164999, now seen corresponding path program 1 times [2020-12-23 01:50:56,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:56,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086774705] [2020-12-23 01:50:56,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:57,074 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 115 proven. 3 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-12-23 01:50:57,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086774705] [2020-12-23 01:50:57,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675441628] [2020-12-23 01:50:57,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:50:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:57,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:50:57,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:50:57,364 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-12-23 01:50:57,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:50:57,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:50:57,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447388263] [2020-12-23 01:50:57,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:57,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:57,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:57,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:50:57,368 INFO L87 Difference]: Start difference. First operand 3279 states and 3549 transitions. Second operand 3 states. [2020-12-23 01:50:57,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:57,816 INFO L93 Difference]: Finished difference Result 6556 states and 7097 transitions. [2020-12-23 01:50:57,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:57,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2020-12-23 01:50:57,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:57,832 INFO L225 Difference]: With dead ends: 6556 [2020-12-23 01:50:57,832 INFO L226 Difference]: Without dead ends: 3410 [2020-12-23 01:50:57,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:50:57,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2020-12-23 01:50:57,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 2886. [2020-12-23 01:50:57,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2886 states. [2020-12-23 01:50:57,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 3085 transitions. [2020-12-23 01:50:57,924 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 3085 transitions. Word has length 194 [2020-12-23 01:50:57,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:57,925 INFO L481 AbstractCegarLoop]: Abstraction has 2886 states and 3085 transitions. [2020-12-23 01:50:57,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 3085 transitions. [2020-12-23 01:50:57,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-12-23 01:50:57,930 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:57,930 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:58,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:50:58,141 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:58,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:58,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1325201619, now seen corresponding path program 1 times [2020-12-23 01:50:58,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:58,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169958887] [2020-12-23 01:50:58,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:58,256 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-12-23 01:50:58,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169958887] [2020-12-23 01:50:58,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799678756] [2020-12-23 01:50:58,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:50:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:58,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:50:58,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:50:58,577 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-23 01:50:58,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:50:58,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:50:58,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778806259] [2020-12-23 01:50:58,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:58,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:58,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:58,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:50:58,580 INFO L87 Difference]: Start difference. First operand 2886 states and 3085 transitions. Second operand 3 states. [2020-12-23 01:50:59,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:50:59,117 INFO L93 Difference]: Finished difference Result 6425 states and 6898 transitions. [2020-12-23 01:50:59,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:50:59,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-12-23 01:50:59,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:50:59,125 INFO L225 Difference]: With dead ends: 6425 [2020-12-23 01:50:59,126 INFO L226 Difference]: Without dead ends: 3410 [2020-12-23 01:50:59,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:50:59,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2020-12-23 01:50:59,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 2886. [2020-12-23 01:50:59,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2886 states. [2020-12-23 01:50:59,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 3063 transitions. [2020-12-23 01:50:59,188 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 3063 transitions. Word has length 212 [2020-12-23 01:50:59,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:50:59,189 INFO L481 AbstractCegarLoop]: Abstraction has 2886 states and 3063 transitions. [2020-12-23 01:50:59,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:50:59,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 3063 transitions. [2020-12-23 01:50:59,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-12-23 01:50:59,197 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:50:59,197 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:50:59,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-23 01:50:59,413 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:50:59,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:50:59,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1825511064, now seen corresponding path program 1 times [2020-12-23 01:50:59,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:50:59,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129815830] [2020-12-23 01:50:59,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:50:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:59,535 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 115 proven. 3 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-12-23 01:50:59,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129815830] [2020-12-23 01:50:59,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138138056] [2020-12-23 01:50:59,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:50:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:50:59,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:50:59,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:50:59,966 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-12-23 01:50:59,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:50:59,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:50:59,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119897301] [2020-12-23 01:50:59,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:50:59,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:50:59,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:50:59,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:50:59,969 INFO L87 Difference]: Start difference. First operand 2886 states and 3063 transitions. Second operand 3 states. [2020-12-23 01:51:00,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:00,462 INFO L93 Difference]: Finished difference Result 5506 states and 5853 transitions. [2020-12-23 01:51:00,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:00,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2020-12-23 01:51:00,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:00,464 INFO L225 Difference]: With dead ends: 5506 [2020-12-23 01:51:00,464 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 01:51:00,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:00,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 01:51:00,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 01:51:00,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 01:51:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 01:51:00,469 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2020-12-23 01:51:00,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:00,470 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 01:51:00,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:00,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 01:51:00,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 01:51:00,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:51:00,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 01:51:01,328 WARN L197 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 42 [2020-12-23 01:51:01,907 WARN L197 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 42 [2020-12-23 01:51:01,912 INFO L189 CegarLoopUtils]: For program point L564(line 564) no Hoare annotation was computed. [2020-12-23 01:51:01,912 INFO L189 CegarLoopUtils]: For program point L531(line 531) no Hoare annotation was computed. [2020-12-23 01:51:01,913 INFO L189 CegarLoopUtils]: For program point L498(line 498) no Hoare annotation was computed. [2020-12-23 01:51:01,913 INFO L189 CegarLoopUtils]: For program point L465(line 465) no Hoare annotation was computed. [2020-12-23 01:51:01,913 INFO L189 CegarLoopUtils]: For program point L432(line 432) no Hoare annotation was computed. [2020-12-23 01:51:01,913 INFO L189 CegarLoopUtils]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-12-23 01:51:01,914 INFO L189 CegarLoopUtils]: For program point L598(line 598) no Hoare annotation was computed. [2020-12-23 01:51:01,915 INFO L189 CegarLoopUtils]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-12-23 01:51:01,915 INFO L189 CegarLoopUtils]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,915 INFO L189 CegarLoopUtils]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,915 INFO L189 CegarLoopUtils]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,916 INFO L189 CegarLoopUtils]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,916 INFO L189 CegarLoopUtils]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-12-23 01:51:01,916 INFO L189 CegarLoopUtils]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,916 INFO L189 CegarLoopUtils]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,917 INFO L189 CegarLoopUtils]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-12-23 01:51:01,917 INFO L189 CegarLoopUtils]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-12-23 01:51:01,917 INFO L189 CegarLoopUtils]: For program point L567(line 567) no Hoare annotation was computed. [2020-12-23 01:51:01,917 INFO L189 CegarLoopUtils]: For program point L534(line 534) no Hoare annotation was computed. [2020-12-23 01:51:01,917 INFO L189 CegarLoopUtils]: For program point L501(line 501) no Hoare annotation was computed. [2020-12-23 01:51:01,917 INFO L189 CegarLoopUtils]: For program point L468(line 468) no Hoare annotation was computed. [2020-12-23 01:51:01,919 INFO L189 CegarLoopUtils]: For program point L435(line 435) no Hoare annotation was computed. [2020-12-23 01:51:01,919 INFO L189 CegarLoopUtils]: For program point L402(line 402) no Hoare annotation was computed. [2020-12-23 01:51:01,919 INFO L189 CegarLoopUtils]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-12-23 01:51:01,919 INFO L189 CegarLoopUtils]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-12-23 01:51:01,920 INFO L189 CegarLoopUtils]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-12-23 01:51:01,921 INFO L189 CegarLoopUtils]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-12-23 01:51:01,922 INFO L189 CegarLoopUtils]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,922 INFO L189 CegarLoopUtils]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,922 INFO L189 CegarLoopUtils]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,922 INFO L189 CegarLoopUtils]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,922 INFO L189 CegarLoopUtils]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,922 INFO L189 CegarLoopUtils]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-12-23 01:51:01,923 INFO L189 CegarLoopUtils]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,923 INFO L189 CegarLoopUtils]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-12-23 01:51:01,924 INFO L189 CegarLoopUtils]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-12-23 01:51:01,924 INFO L189 CegarLoopUtils]: For program point L570(line 570) no Hoare annotation was computed. [2020-12-23 01:51:01,924 INFO L189 CegarLoopUtils]: For program point L537(line 537) no Hoare annotation was computed. [2020-12-23 01:51:01,924 INFO L189 CegarLoopUtils]: For program point L504(line 504) no Hoare annotation was computed. [2020-12-23 01:51:01,924 INFO L189 CegarLoopUtils]: For program point L471(line 471) no Hoare annotation was computed. [2020-12-23 01:51:01,924 INFO L189 CegarLoopUtils]: For program point L438(line 438) no Hoare annotation was computed. [2020-12-23 01:51:01,924 INFO L189 CegarLoopUtils]: For program point L405(line 405) no Hoare annotation was computed. [2020-12-23 01:51:01,925 INFO L189 CegarLoopUtils]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-12-23 01:51:01,926 INFO L189 CegarLoopUtils]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-12-23 01:51:01,926 INFO L189 CegarLoopUtils]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-12-23 01:51:01,926 INFO L189 CegarLoopUtils]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-12-23 01:51:01,926 INFO L189 CegarLoopUtils]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-12-23 01:51:01,926 INFO L189 CegarLoopUtils]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-12-23 01:51:01,926 INFO L189 CegarLoopUtils]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,926 INFO L189 CegarLoopUtils]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,926 INFO L189 CegarLoopUtils]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,927 INFO L189 CegarLoopUtils]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,927 INFO L189 CegarLoopUtils]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,927 INFO L189 CegarLoopUtils]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,927 INFO L189 CegarLoopUtils]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-12-23 01:51:01,927 INFO L189 CegarLoopUtils]: For program point L573(line 573) no Hoare annotation was computed. [2020-12-23 01:51:01,927 INFO L189 CegarLoopUtils]: For program point L540(line 540) no Hoare annotation was computed. [2020-12-23 01:51:01,927 INFO L189 CegarLoopUtils]: For program point L507(line 507) no Hoare annotation was computed. [2020-12-23 01:51:01,927 INFO L189 CegarLoopUtils]: For program point L474(line 474) no Hoare annotation was computed. [2020-12-23 01:51:01,928 INFO L189 CegarLoopUtils]: For program point L441(line 441) no Hoare annotation was computed. [2020-12-23 01:51:01,928 INFO L189 CegarLoopUtils]: For program point L408(line 408) no Hoare annotation was computed. [2020-12-23 01:51:01,928 INFO L189 CegarLoopUtils]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-12-23 01:51:01,928 INFO L189 CegarLoopUtils]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-12-23 01:51:01,928 INFO L189 CegarLoopUtils]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-12-23 01:51:01,928 INFO L189 CegarLoopUtils]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-12-23 01:51:01,928 INFO L189 CegarLoopUtils]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-12-23 01:51:01,928 INFO L189 CegarLoopUtils]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,929 INFO L189 CegarLoopUtils]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,929 INFO L189 CegarLoopUtils]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,929 INFO L189 CegarLoopUtils]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,929 INFO L189 CegarLoopUtils]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,929 INFO L189 CegarLoopUtils]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,929 INFO L189 CegarLoopUtils]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-12-23 01:51:01,929 INFO L189 CegarLoopUtils]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-12-23 01:51:01,929 INFO L189 CegarLoopUtils]: For program point L576(line 576) no Hoare annotation was computed. [2020-12-23 01:51:01,929 INFO L189 CegarLoopUtils]: For program point L543(line 543) no Hoare annotation was computed. [2020-12-23 01:51:01,930 INFO L189 CegarLoopUtils]: For program point L510(line 510) no Hoare annotation was computed. [2020-12-23 01:51:01,930 INFO L189 CegarLoopUtils]: For program point L477(line 477) no Hoare annotation was computed. [2020-12-23 01:51:01,930 INFO L189 CegarLoopUtils]: For program point L444(line 444) no Hoare annotation was computed. [2020-12-23 01:51:01,930 INFO L189 CegarLoopUtils]: For program point L411(line 411) no Hoare annotation was computed. [2020-12-23 01:51:01,930 INFO L189 CegarLoopUtils]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-12-23 01:51:01,930 INFO L189 CegarLoopUtils]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-12-23 01:51:01,930 INFO L189 CegarLoopUtils]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,930 INFO L189 CegarLoopUtils]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,931 INFO L189 CegarLoopUtils]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,931 INFO L189 CegarLoopUtils]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,931 INFO L189 CegarLoopUtils]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,931 INFO L189 CegarLoopUtils]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,931 INFO L189 CegarLoopUtils]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-12-23 01:51:01,931 INFO L189 CegarLoopUtils]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-12-23 01:51:01,932 INFO L189 CegarLoopUtils]: For program point L579(line 579) no Hoare annotation was computed. [2020-12-23 01:51:01,932 INFO L189 CegarLoopUtils]: For program point L546(line 546) no Hoare annotation was computed. [2020-12-23 01:51:01,932 INFO L189 CegarLoopUtils]: For program point L513(line 513) no Hoare annotation was computed. [2020-12-23 01:51:01,932 INFO L189 CegarLoopUtils]: For program point L480(line 480) no Hoare annotation was computed. [2020-12-23 01:51:01,933 INFO L189 CegarLoopUtils]: For program point L447(line 447) no Hoare annotation was computed. [2020-12-23 01:51:01,933 INFO L189 CegarLoopUtils]: For program point L414(line 414) no Hoare annotation was computed. [2020-12-23 01:51:01,933 INFO L189 CegarLoopUtils]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-12-23 01:51:01,933 INFO L189 CegarLoopUtils]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-12-23 01:51:01,933 INFO L189 CegarLoopUtils]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-12-23 01:51:01,933 INFO L189 CegarLoopUtils]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-12-23 01:51:01,933 INFO L189 CegarLoopUtils]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-12-23 01:51:01,933 INFO L189 CegarLoopUtils]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-12-23 01:51:01,933 INFO L189 CegarLoopUtils]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-12-23 01:51:01,933 INFO L189 CegarLoopUtils]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,934 INFO L189 CegarLoopUtils]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,934 INFO L189 CegarLoopUtils]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,934 INFO L189 CegarLoopUtils]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,934 INFO L189 CegarLoopUtils]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,934 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 01:51:01,934 INFO L189 CegarLoopUtils]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-12-23 01:51:01,934 INFO L189 CegarLoopUtils]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-12-23 01:51:01,934 INFO L189 CegarLoopUtils]: For program point L582(line 582) no Hoare annotation was computed. [2020-12-23 01:51:01,934 INFO L189 CegarLoopUtils]: For program point L549(line 549) no Hoare annotation was computed. [2020-12-23 01:51:01,935 INFO L189 CegarLoopUtils]: For program point L516(line 516) no Hoare annotation was computed. [2020-12-23 01:51:01,935 INFO L189 CegarLoopUtils]: For program point L483(line 483) no Hoare annotation was computed. [2020-12-23 01:51:01,935 INFO L189 CegarLoopUtils]: For program point L450(line 450) no Hoare annotation was computed. [2020-12-23 01:51:01,935 INFO L189 CegarLoopUtils]: For program point L417(line 417) no Hoare annotation was computed. [2020-12-23 01:51:01,935 INFO L189 CegarLoopUtils]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-12-23 01:51:01,938 INFO L185 CegarLoopUtils]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse1 (<= ~a16~0 5)) (.cse4 (= ~a17~0 1)) (.cse10 (<= ~a16~0 4)) (.cse7 (<= ~a21~0 0)) (.cse9 (<= ~a8~0 14)) (.cse3 (= ~a7~0 0)) (.cse6 (<= ~a20~0 0)) (.cse0 (= ~a21~0 1)) (.cse11 (<= 5 ~a16~0)) (.cse5 (<= ~a17~0 0)) (.cse2 (= ~a20~0 1)) (.cse8 (<= ~a8~0 13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6) (and .cse1 .cse7 .cse2 .cse4 .cse8) (and .cse9 .cse1 .cse6) (and .cse0 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse6) (and .cse9 .cse0 .cse2 .cse3) (and .cse0 .cse3 .cse4 .cse6) (and .cse10 .cse2 .cse4 .cse8) (and .cse10 .cse7 .cse2 .cse8) (and .cse9 .cse0 .cse2 .cse11) (and .cse5 .cse3 .cse6) (and .cse0 .cse5 .cse2 .cse11) (and (<= 6 ~a16~0) .cse5 .cse2 .cse8))) [2020-12-23 01:51:01,938 INFO L189 CegarLoopUtils]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,938 INFO L189 CegarLoopUtils]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,938 INFO L189 CegarLoopUtils]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,938 INFO L189 CegarLoopUtils]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,938 INFO L189 CegarLoopUtils]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,939 INFO L189 CegarLoopUtils]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-12-23 01:51:01,939 INFO L189 CegarLoopUtils]: For program point L552(line 552) no Hoare annotation was computed. [2020-12-23 01:51:01,939 INFO L189 CegarLoopUtils]: For program point L519(line 519) no Hoare annotation was computed. [2020-12-23 01:51:01,939 INFO L189 CegarLoopUtils]: For program point L486(line 486) no Hoare annotation was computed. [2020-12-23 01:51:01,939 INFO L189 CegarLoopUtils]: For program point L453(line 453) no Hoare annotation was computed. [2020-12-23 01:51:01,940 INFO L189 CegarLoopUtils]: For program point L420(line 420) no Hoare annotation was computed. [2020-12-23 01:51:01,940 INFO L189 CegarLoopUtils]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-12-23 01:51:01,940 INFO L189 CegarLoopUtils]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-12-23 01:51:01,940 INFO L189 CegarLoopUtils]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-12-23 01:51:01,941 INFO L189 CegarLoopUtils]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-12-23 01:51:01,941 INFO L189 CegarLoopUtils]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-12-23 01:51:01,941 INFO L189 CegarLoopUtils]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-12-23 01:51:01,941 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 01:51:01,941 INFO L189 CegarLoopUtils]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-12-23 01:51:01,941 INFO L192 CegarLoopUtils]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-12-23 01:51:01,941 INFO L189 CegarLoopUtils]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,941 INFO L189 CegarLoopUtils]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,941 INFO L189 CegarLoopUtils]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,942 INFO L189 CegarLoopUtils]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,942 INFO L189 CegarLoopUtils]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,942 INFO L189 CegarLoopUtils]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-12-23 01:51:01,942 INFO L189 CegarLoopUtils]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-12-23 01:51:01,942 INFO L189 CegarLoopUtils]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-12-23 01:51:01,942 INFO L189 CegarLoopUtils]: For program point L555(line 555) no Hoare annotation was computed. [2020-12-23 01:51:01,942 INFO L189 CegarLoopUtils]: For program point L522(line 522) no Hoare annotation was computed. [2020-12-23 01:51:01,942 INFO L189 CegarLoopUtils]: For program point L489(line 489) no Hoare annotation was computed. [2020-12-23 01:51:01,942 INFO L189 CegarLoopUtils]: For program point L456(line 456) no Hoare annotation was computed. [2020-12-23 01:51:01,942 INFO L189 CegarLoopUtils]: For program point L423(line 423) no Hoare annotation was computed. [2020-12-23 01:51:01,943 INFO L189 CegarLoopUtils]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-12-23 01:51:01,943 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 01:51:01,943 INFO L189 CegarLoopUtils]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,943 INFO L189 CegarLoopUtils]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,943 INFO L189 CegarLoopUtils]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,945 INFO L189 CegarLoopUtils]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,946 INFO L189 CegarLoopUtils]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-12-23 01:51:01,946 INFO L189 CegarLoopUtils]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,946 INFO L189 CegarLoopUtils]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-12-23 01:51:01,946 INFO L189 CegarLoopUtils]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-12-23 01:51:01,946 INFO L189 CegarLoopUtils]: For program point L558(line 558) no Hoare annotation was computed. [2020-12-23 01:51:01,946 INFO L189 CegarLoopUtils]: For program point L525(line 525) no Hoare annotation was computed. [2020-12-23 01:51:01,947 INFO L189 CegarLoopUtils]: For program point L492(line 492) no Hoare annotation was computed. [2020-12-23 01:51:01,947 INFO L189 CegarLoopUtils]: For program point L459(line 459) no Hoare annotation was computed. [2020-12-23 01:51:01,947 INFO L189 CegarLoopUtils]: For program point L426(line 426) no Hoare annotation was computed. [2020-12-23 01:51:01,947 INFO L189 CegarLoopUtils]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-12-23 01:51:01,947 INFO L189 CegarLoopUtils]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-12-23 01:51:01,947 INFO L189 CegarLoopUtils]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-12-23 01:51:01,947 INFO L189 CegarLoopUtils]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-12-23 01:51:01,947 INFO L189 CegarLoopUtils]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-12-23 01:51:01,947 INFO L189 CegarLoopUtils]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-12-23 01:51:01,948 INFO L189 CegarLoopUtils]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,948 INFO L185 CegarLoopUtils]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse1 (<= ~a16~0 5)) (.cse4 (= ~a17~0 1)) (.cse10 (<= ~a16~0 4)) (.cse7 (<= ~a21~0 0)) (.cse9 (<= ~a8~0 14)) (.cse3 (= ~a7~0 0)) (.cse6 (<= ~a20~0 0)) (.cse0 (= ~a21~0 1)) (.cse11 (<= 5 ~a16~0)) (.cse5 (<= ~a17~0 0)) (.cse2 (= ~a20~0 1)) (.cse8 (<= ~a8~0 13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6) (and .cse1 .cse7 .cse2 .cse4 .cse8) (and .cse9 .cse1 .cse6) (and .cse0 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse6) (and .cse9 .cse0 .cse2 .cse3) (and .cse0 .cse3 .cse4 .cse6) (and .cse10 .cse2 .cse4 .cse8) (and .cse10 .cse7 .cse2 .cse8) (and .cse9 .cse0 .cse2 .cse11) (and .cse5 .cse3 .cse6) (and .cse0 .cse5 .cse2 .cse11) (and (<= 6 ~a16~0) .cse5 .cse2 .cse8))) [2020-12-23 01:51:01,948 INFO L189 CegarLoopUtils]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,948 INFO L189 CegarLoopUtils]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,948 INFO L189 CegarLoopUtils]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,948 INFO L189 CegarLoopUtils]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,948 INFO L189 CegarLoopUtils]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-12-23 01:51:01,949 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 01:51:01,949 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 456) no Hoare annotation was computed. [2020-12-23 01:51:01,949 INFO L189 CegarLoopUtils]: For program point L561(line 561) no Hoare annotation was computed. [2020-12-23 01:51:01,949 INFO L189 CegarLoopUtils]: For program point L528(line 528) no Hoare annotation was computed. [2020-12-23 01:51:01,949 INFO L189 CegarLoopUtils]: For program point L495(line 495) no Hoare annotation was computed. [2020-12-23 01:51:01,949 INFO L189 CegarLoopUtils]: For program point L462(line 462) no Hoare annotation was computed. [2020-12-23 01:51:01,949 INFO L189 CegarLoopUtils]: For program point L429(line 429) no Hoare annotation was computed. [2020-12-23 01:51:01,949 INFO L189 CegarLoopUtils]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-12-23 01:51:01,950 INFO L189 CegarLoopUtils]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-12-23 01:51:01,950 INFO L189 CegarLoopUtils]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,950 INFO L189 CegarLoopUtils]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,950 INFO L189 CegarLoopUtils]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,950 INFO L189 CegarLoopUtils]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,950 INFO L189 CegarLoopUtils]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:01,950 INFO L189 CegarLoopUtils]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-12-23 01:51:01,950 INFO L189 CegarLoopUtils]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-12-23 01:51:01,950 INFO L189 CegarLoopUtils]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-12-23 01:51:01,950 INFO L189 CegarLoopUtils]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-12-23 01:51:02,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:51:02 BoogieIcfgContainer [2020-12-23 01:51:02,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 01:51:02,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 01:51:02,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 01:51:02,015 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 01:51:02,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:50:43" (3/4) ... [2020-12-23 01:51:02,020 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 01:51:02,056 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 01:51:02,058 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 01:51:02,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:51:02,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:51:02,270 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem01_label02.c-witness.graphml [2020-12-23 01:51:02,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 01:51:02,272 INFO L168 Benchmark]: Toolchain (without parser) took 20825.04 ms. Allocated memory was 151.0 MB in the beginning and 454.0 MB in the end (delta: 303.0 MB). Free memory was 123.6 MB in the beginning and 304.4 MB in the end (delta: -180.8 MB). Peak memory consumption was 123.5 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:02,272 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 01:51:02,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 811.25 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 127.5 MB in the end (delta: -4.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:02,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.47 ms. Allocated memory is still 151.0 MB. Free memory was 127.0 MB in the beginning and 121.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:02,275 INFO L168 Benchmark]: Boogie Preprocessor took 68.88 ms. Allocated memory is still 151.0 MB. Free memory was 121.7 MB in the beginning and 117.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:02,275 INFO L168 Benchmark]: RCFGBuilder took 1402.84 ms. Allocated memory is still 151.0 MB. Free memory was 117.0 MB in the beginning and 93.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 76.4 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:02,275 INFO L168 Benchmark]: TraceAbstraction took 18170.56 ms. Allocated memory was 151.0 MB in the beginning and 454.0 MB in the end (delta: 303.0 MB). Free memory was 93.0 MB in the beginning and 319.7 MB in the end (delta: -226.6 MB). Peak memory consumption was 242.1 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:02,276 INFO L168 Benchmark]: Witness Printer took 256.20 ms. Allocated memory is still 454.0 MB. Free memory was 319.7 MB in the beginning and 304.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:02,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 811.25 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 127.5 MB in the end (delta: -4.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 101.47 ms. Allocated memory is still 151.0 MB. Free memory was 127.0 MB in the beginning and 121.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 68.88 ms. Allocated memory is still 151.0 MB. Free memory was 121.7 MB in the beginning and 117.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1402.84 ms. Allocated memory is still 151.0 MB. Free memory was 117.0 MB in the beginning and 93.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 76.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18170.56 ms. Allocated memory was 151.0 MB in the beginning and 454.0 MB in the end (delta: 303.0 MB). Free memory was 93.0 MB in the beginning and 319.7 MB in the end (delta: -226.6 MB). Peak memory consumption was 242.1 MB. Max. memory is 8.0 GB. * Witness Printer took 256.20 ms. Allocated memory is still 454.0 MB. Free memory was 319.7 MB in the beginning and 304.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 456]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((((((((((a21 == 1 && a16 <= 5) && a20 == 1) && a7 == 0) && a17 == 1) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || ((((a16 <= 5 && a21 <= 0) && a20 == 1) && a17 == 1) && a8 <= 13)) || ((a8 <= 14 && a16 <= 5) && a20 <= 0)) || (((a21 == 1 && a17 <= 0) && a20 == 1) && a7 == 0)) || (((a21 == 1 && a16 <= 5) && a17 == 1) && a20 <= 0)) || (((a8 <= 14 && a21 == 1) && a20 == 1) && a7 == 0)) || (((a21 == 1 && a7 == 0) && a17 == 1) && a20 <= 0)) || (((a16 <= 4 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a16 <= 4 && a21 <= 0) && a20 == 1) && a8 <= 13)) || (((a8 <= 14 && a21 == 1) && a20 == 1) && 5 <= a16)) || ((a17 <= 0 && a7 == 0) && a20 <= 0)) || (((a21 == 1 && a17 <= 0) && a20 == 1) && 5 <= a16)) || (((6 <= a16 && a17 <= 0) && a20 == 1) && a8 <= 13) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((((((((((((a21 == 1 && a16 <= 5) && a20 == 1) && a7 == 0) && a17 == 1) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || ((((a16 <= 5 && a21 <= 0) && a20 == 1) && a17 == 1) && a8 <= 13)) || ((a8 <= 14 && a16 <= 5) && a20 <= 0)) || (((a21 == 1 && a17 <= 0) && a20 == 1) && a7 == 0)) || (((a21 == 1 && a16 <= 5) && a17 == 1) && a20 <= 0)) || (((a8 <= 14 && a21 == 1) && a20 == 1) && a7 == 0)) || (((a21 == 1 && a7 == 0) && a17 == 1) && a20 <= 0)) || (((a16 <= 4 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a16 <= 4 && a21 <= 0) && a20 == 1) && a8 <= 13)) || (((a8 <= 14 && a21 == 1) && a20 == 1) && 5 <= a16)) || ((a17 <= 0 && a7 == 0) && a20 <= 0)) || (((a21 == 1 && a17 <= 0) && a20 == 1) && 5 <= a16)) || (((6 <= a16 && a17 <= 0) && a20 == 1) && a8 <= 13) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.7s, OverallIterations: 16, TraceHistogramMax: 7, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1547 SDtfs, 1707 SDslu, 87 SDs, 0 SdLazy, 5431 SolverSat, 758 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1130 GetRequests, 1101 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3279occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 16 MinimizatonAttempts, 2882 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 55 NumberOfFragments, 361 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2070 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 616 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 3324 NumberOfCodeBlocks, 3324 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3302 ConstructedInterpolants, 0 QuantifiedInterpolants, 1018556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2433 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 22 InterpolantComputations, 16 PerfectInterpolantSequences, 2605/2623 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...