/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/Problem14_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 04:19:12,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 04:19:12,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 04:19:12,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 04:19:12,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 04:19:12,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 04:19:12,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 04:19:12,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 04:19:12,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 04:19:12,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 04:19:12,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 04:19:12,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 04:19:12,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 04:19:12,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 04:19:12,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 04:19:12,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 04:19:12,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 04:19:12,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 04:19:12,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 04:19:12,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 04:19:12,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 04:19:12,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 04:19:12,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 04:19:12,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 04:19:12,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 04:19:12,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 04:19:12,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 04:19:12,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 04:19:12,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 04:19:12,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 04:19:12,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 04:19:12,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 04:19:12,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 04:19:12,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 04:19:12,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 04:19:12,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 04:19:12,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 04:19:12,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 04:19:12,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 04:19:12,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 04:19:12,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 04:19:12,755 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 04:19:12,806 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 04:19:12,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 04:19:12,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 04:19:12,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 04:19:12,813 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 04:19:12,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 04:19:12,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 04:19:12,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 04:19:12,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 04:19:12,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 04:19:12,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 04:19:12,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 04:19:12,815 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 04:19:12,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 04:19:12,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 04:19:12,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 04:19:12,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 04:19:12,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 04:19:12,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 04:19:12,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 04:19:12,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 04:19:12,818 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 04:19:12,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 04:19:12,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 04:19:12,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 04:19:12,818 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 04:19:13,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 04:19:13,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 04:19:13,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 04:19:13,303 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 04:19:13,303 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 04:19:13,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label21.c [2020-12-23 04:19:13,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6c5a0bd95/389a3286852b489ab73ea3d215ddc7df/FLAG0ed4d417c [2020-12-23 04:19:14,314 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 04:19:14,316 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label21.c [2020-12-23 04:19:14,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6c5a0bd95/389a3286852b489ab73ea3d215ddc7df/FLAG0ed4d417c [2020-12-23 04:19:14,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6c5a0bd95/389a3286852b489ab73ea3d215ddc7df [2020-12-23 04:19:14,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 04:19:14,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 04:19:14,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 04:19:14,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 04:19:14,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 04:19:14,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:19:14" (1/1) ... [2020-12-23 04:19:14,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c9cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:14, skipping insertion in model container [2020-12-23 04:19:14,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:19:14" (1/1) ... [2020-12-23 04:19:14,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 04:19:14,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 04:19:14,917 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/Problem14_label21.c[3617,3630] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 04:19:15,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 04:19:15,298 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 04:19:15,325 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/Problem14_label21.c[3617,3630] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 04:19:15,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 04:19:15,589 INFO L208 MainTranslator]: Completed translation [2020-12-23 04:19:15,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:15 WrapperNode [2020-12-23 04:19:15,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 04:19:15,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 04:19:15,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 04:19:15,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 04:19:15,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:15" (1/1) ... [2020-12-23 04:19:15,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:15" (1/1) ... [2020-12-23 04:19:15,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 04:19:15,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 04:19:15,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 04:19:15,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 04:19:15,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:15" (1/1) ... [2020-12-23 04:19:15,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:15" (1/1) ... [2020-12-23 04:19:15,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:15" (1/1) ... [2020-12-23 04:19:15,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:15" (1/1) ... [2020-12-23 04:19:15,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:15" (1/1) ... [2020-12-23 04:19:15,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:15" (1/1) ... [2020-12-23 04:19:15,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:15" (1/1) ... [2020-12-23 04:19:15,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 04:19:15,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 04:19:15,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 04:19:15,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 04:19:15,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:15" (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 04:19:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 04:19:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 04:19:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 04:19:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 04:19:18,318 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 04:19:18,319 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 04:19:18,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:19:18 BoogieIcfgContainer [2020-12-23 04:19:18,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 04:19:18,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 04:19:18,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 04:19:18,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 04:19:18,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:19:14" (1/3) ... [2020-12-23 04:19:18,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c54ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:19:18, skipping insertion in model container [2020-12-23 04:19:18,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:15" (2/3) ... [2020-12-23 04:19:18,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c54ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:19:18, skipping insertion in model container [2020-12-23 04:19:18,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:19:18" (3/3) ... [2020-12-23 04:19:18,337 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label21.c [2020-12-23 04:19:18,347 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 04:19:18,354 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 04:19:18,382 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 04:19:18,426 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 04:19:18,426 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 04:19:18,426 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 04:19:18,426 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 04:19:18,426 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 04:19:18,427 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 04:19:18,427 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 04:19:18,427 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 04:19:18,453 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-12-23 04:19:18,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 04:19:18,464 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:18,465 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] [2020-12-23 04:19:18,466 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:18,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:18,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1089129850, now seen corresponding path program 1 times [2020-12-23 04:19:18,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:18,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792618495] [2020-12-23 04:19:18,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:18,935 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 04:19:18,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792618495] [2020-12-23 04:19:18,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:18,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:19:18,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340653915] [2020-12-23 04:19:18,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:18,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:18,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:18,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:19:18,979 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2020-12-23 04:19:20,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:20,509 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions. [2020-12-23 04:19:20,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:20,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-23 04:19:20,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:20,536 INFO L225 Difference]: With dead ends: 669 [2020-12-23 04:19:20,536 INFO L226 Difference]: Without dead ends: 360 [2020-12-23 04:19:20,543 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 04:19:20,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-12-23 04:19:20,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-12-23 04:19:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-12-23 04:19:20,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-12-23 04:19:20,671 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 34 [2020-12-23 04:19:20,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:20,672 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-12-23 04:19:20,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:20,673 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-12-23 04:19:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 04:19:20,681 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:20,682 INFO L422 BasicCegarLoop]: trace histogram [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 04:19:20,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 04:19:20,684 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:20,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:20,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1732143824, now seen corresponding path program 1 times [2020-12-23 04:19:20,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:20,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412153583] [2020-12-23 04:19:20,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:20,948 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 04:19:20,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412153583] [2020-12-23 04:19:20,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:20,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:19:20,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431336769] [2020-12-23 04:19:20,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:20,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:20,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:20,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:19:20,954 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-12-23 04:19:22,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:22,203 INFO L93 Difference]: Finished difference Result 1074 states and 1759 transitions. [2020-12-23 04:19:22,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:22,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-23 04:19:22,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:22,225 INFO L225 Difference]: With dead ends: 1074 [2020-12-23 04:19:22,225 INFO L226 Difference]: Without dead ends: 716 [2020-12-23 04:19:22,232 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 04:19:22,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-12-23 04:19:22,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 538. [2020-12-23 04:19:22,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-12-23 04:19:22,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 838 transitions. [2020-12-23 04:19:22,305 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 838 transitions. Word has length 99 [2020-12-23 04:19:22,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:22,305 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 838 transitions. [2020-12-23 04:19:22,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:22,306 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 838 transitions. [2020-12-23 04:19:22,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-23 04:19:22,315 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:22,315 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:22,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 04:19:22,316 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:22,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:22,317 INFO L82 PathProgramCache]: Analyzing trace with hash 585366765, now seen corresponding path program 1 times [2020-12-23 04:19:22,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:22,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253188491] [2020-12-23 04:19:22,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:22,667 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 04:19:22,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253188491] [2020-12-23 04:19:22,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:22,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:19:22,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263032262] [2020-12-23 04:19:22,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:19:22,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:22,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:19:22,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:19:22,674 INFO L87 Difference]: Start difference. First operand 538 states and 838 transitions. Second operand 4 states. [2020-12-23 04:19:24,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:24,863 INFO L93 Difference]: Finished difference Result 1788 states and 2802 transitions. [2020-12-23 04:19:24,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:19:24,863 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2020-12-23 04:19:24,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:24,872 INFO L225 Difference]: With dead ends: 1788 [2020-12-23 04:19:24,873 INFO L226 Difference]: Without dead ends: 1252 [2020-12-23 04:19:24,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 04:19:24,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-12-23 04:19:24,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2020-12-23 04:19:24,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-12-23 04:19:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1617 transitions. [2020-12-23 04:19:24,949 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1617 transitions. Word has length 113 [2020-12-23 04:19:24,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:24,950 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1617 transitions. [2020-12-23 04:19:24,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:19:24,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1617 transitions. [2020-12-23 04:19:24,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-12-23 04:19:24,955 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:24,956 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:24,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 04:19:24,956 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:24,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:24,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1303628737, now seen corresponding path program 1 times [2020-12-23 04:19:24,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:24,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437433554] [2020-12-23 04:19:24,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:25,430 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 04:19:25,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437433554] [2020-12-23 04:19:25,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:25,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:19:25,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614434313] [2020-12-23 04:19:25,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:19:25,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:25,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:19:25,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:19:25,445 INFO L87 Difference]: Start difference. First operand 1250 states and 1617 transitions. Second operand 4 states. [2020-12-23 04:19:27,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:27,079 INFO L93 Difference]: Finished difference Result 2707 states and 3620 transitions. [2020-12-23 04:19:27,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:19:27,080 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 193 [2020-12-23 04:19:27,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:27,091 INFO L225 Difference]: With dead ends: 2707 [2020-12-23 04:19:27,091 INFO L226 Difference]: Without dead ends: 1608 [2020-12-23 04:19:27,094 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 04:19:27,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-12-23 04:19:27,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2020-12-23 04:19:27,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-12-23 04:19:27,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1825 transitions. [2020-12-23 04:19:27,138 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1825 transitions. Word has length 193 [2020-12-23 04:19:27,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:27,139 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1825 transitions. [2020-12-23 04:19:27,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:19:27,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1825 transitions. [2020-12-23 04:19:27,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-12-23 04:19:27,144 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:27,145 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:27,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 04:19:27,146 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:27,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:27,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1754965882, now seen corresponding path program 1 times [2020-12-23 04:19:27,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:27,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317261058] [2020-12-23 04:19:27,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:27,576 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-23 04:19:27,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317261058] [2020-12-23 04:19:27,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:27,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:19:27,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240668011] [2020-12-23 04:19:27,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:27,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:27,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:27,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:19:27,583 INFO L87 Difference]: Start difference. First operand 1606 states and 1825 transitions. Second operand 3 states. [2020-12-23 04:19:28,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:28,508 INFO L93 Difference]: Finished difference Result 3210 states and 3695 transitions. [2020-12-23 04:19:28,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:28,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 324 [2020-12-23 04:19:28,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:28,520 INFO L225 Difference]: With dead ends: 3210 [2020-12-23 04:19:28,520 INFO L226 Difference]: Without dead ends: 1784 [2020-12-23 04:19:28,523 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 04:19:28,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-12-23 04:19:28,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1784. [2020-12-23 04:19:28,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2020-12-23 04:19:28,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2032 transitions. [2020-12-23 04:19:28,574 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2032 transitions. Word has length 324 [2020-12-23 04:19:28,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:28,575 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 2032 transitions. [2020-12-23 04:19:28,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:28,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2032 transitions. [2020-12-23 04:19:28,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-12-23 04:19:28,582 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:28,583 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:28,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 04:19:28,583 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:28,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:28,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1892210744, now seen corresponding path program 1 times [2020-12-23 04:19:28,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:28,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548708580] [2020-12-23 04:19:28,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:29,191 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 150 proven. 130 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-12-23 04:19:29,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548708580] [2020-12-23 04:19:29,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068328544] [2020-12-23 04:19:29,192 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 04:19:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:29,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:19:29,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:19:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-12-23 04:19:30,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:19:30,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 04:19:30,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336849577] [2020-12-23 04:19:30,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:30,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:30,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:30,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:19:30,154 INFO L87 Difference]: Start difference. First operand 1784 states and 2032 transitions. Second operand 3 states. [2020-12-23 04:19:30,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:30,952 INFO L93 Difference]: Finished difference Result 3744 states and 4387 transitions. [2020-12-23 04:19:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:30,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-12-23 04:19:30,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:30,964 INFO L225 Difference]: With dead ends: 3744 [2020-12-23 04:19:30,965 INFO L226 Difference]: Without dead ends: 2140 [2020-12-23 04:19:30,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:19:30,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-12-23 04:19:31,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2020-12-23 04:19:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-23 04:19:31,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2410 transitions. [2020-12-23 04:19:31,020 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2410 transitions. Word has length 327 [2020-12-23 04:19:31,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:31,022 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2410 transitions. [2020-12-23 04:19:31,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:31,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2410 transitions. [2020-12-23 04:19:31,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2020-12-23 04:19:31,033 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:31,034 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:31,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-23 04:19:31,248 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:31,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:31,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1649118554, now seen corresponding path program 1 times [2020-12-23 04:19:31,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:31,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156529701] [2020-12-23 04:19:31,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:31,814 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2020-12-23 04:19:31,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156529701] [2020-12-23 04:19:31,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:31,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:19:31,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820152027] [2020-12-23 04:19:31,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:19:31,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:31,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:19:31,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:19:31,821 INFO L87 Difference]: Start difference. First operand 2140 states and 2410 transitions. Second operand 4 states. [2020-12-23 04:19:33,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:33,141 INFO L93 Difference]: Finished difference Result 4307 states and 4869 transitions. [2020-12-23 04:19:33,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:19:33,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 404 [2020-12-23 04:19:33,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:33,156 INFO L225 Difference]: With dead ends: 4307 [2020-12-23 04:19:33,156 INFO L226 Difference]: Without dead ends: 2318 [2020-12-23 04:19:33,162 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 04:19:33,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-12-23 04:19:33,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2020-12-23 04:19:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-23 04:19:33,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2328 transitions. [2020-12-23 04:19:33,228 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2328 transitions. Word has length 404 [2020-12-23 04:19:33,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:33,230 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2328 transitions. [2020-12-23 04:19:33,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:19:33,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2328 transitions. [2020-12-23 04:19:33,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2020-12-23 04:19:33,240 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:33,241 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:33,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 04:19:33,242 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:33,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:33,242 INFO L82 PathProgramCache]: Analyzing trace with hash -59719909, now seen corresponding path program 2 times [2020-12-23 04:19:33,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:33,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902923129] [2020-12-23 04:19:33,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:33,749 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-12-23 04:19:33,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902923129] [2020-12-23 04:19:33,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:33,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:19:33,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192677313] [2020-12-23 04:19:33,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:33,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:33,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:33,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:19:33,753 INFO L87 Difference]: Start difference. First operand 2140 states and 2328 transitions. Second operand 3 states. [2020-12-23 04:19:34,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:34,847 INFO L93 Difference]: Finished difference Result 4456 states and 4912 transitions. [2020-12-23 04:19:34,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:34,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 430 [2020-12-23 04:19:34,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:34,866 INFO L225 Difference]: With dead ends: 4456 [2020-12-23 04:19:34,867 INFO L226 Difference]: Without dead ends: 2496 [2020-12-23 04:19:34,872 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 04:19:34,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-12-23 04:19:34,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2140. [2020-12-23 04:19:34,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-23 04:19:34,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2326 transitions. [2020-12-23 04:19:34,929 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2326 transitions. Word has length 430 [2020-12-23 04:19:34,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:34,930 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2326 transitions. [2020-12-23 04:19:34,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:34,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2326 transitions. [2020-12-23 04:19:34,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2020-12-23 04:19:34,935 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:34,936 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:34,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 04:19:34,936 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:34,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:34,937 INFO L82 PathProgramCache]: Analyzing trace with hash -269827114, now seen corresponding path program 1 times [2020-12-23 04:19:34,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:34,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296469915] [2020-12-23 04:19:34,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-12-23 04:19:35,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296469915] [2020-12-23 04:19:35,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:35,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:19:35,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491363933] [2020-12-23 04:19:35,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:35,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:35,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:35,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:19:35,388 INFO L87 Difference]: Start difference. First operand 2140 states and 2326 transitions. Second operand 3 states. [2020-12-23 04:19:36,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:36,162 INFO L93 Difference]: Finished difference Result 4990 states and 5486 transitions. [2020-12-23 04:19:36,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:36,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 437 [2020-12-23 04:19:36,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:36,176 INFO L225 Difference]: With dead ends: 4990 [2020-12-23 04:19:36,177 INFO L226 Difference]: Without dead ends: 3030 [2020-12-23 04:19:36,180 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 04:19:36,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2020-12-23 04:19:36,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2852. [2020-12-23 04:19:36,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2020-12-23 04:19:36,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3087 transitions. [2020-12-23 04:19:36,247 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3087 transitions. Word has length 437 [2020-12-23 04:19:36,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:36,249 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3087 transitions. [2020-12-23 04:19:36,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:36,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3087 transitions. [2020-12-23 04:19:36,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2020-12-23 04:19:36,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:36,254 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:36,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 04:19:36,255 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:36,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:36,256 INFO L82 PathProgramCache]: Analyzing trace with hash -344023395, now seen corresponding path program 1 times [2020-12-23 04:19:36,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:36,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308017648] [2020-12-23 04:19:36,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 377 proven. 195 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-12-23 04:19:37,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308017648] [2020-12-23 04:19:37,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356699336] [2020-12-23 04:19:37,073 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 04:19:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:37,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:19:37,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:19:37,870 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2020-12-23 04:19:37,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:19:37,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-23 04:19:37,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616808305] [2020-12-23 04:19:37,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:37,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:37,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:37,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:19:37,873 INFO L87 Difference]: Start difference. First operand 2852 states and 3087 transitions. Second operand 3 states. [2020-12-23 04:19:38,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:38,740 INFO L93 Difference]: Finished difference Result 5880 states and 6431 transitions. [2020-12-23 04:19:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:38,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 482 [2020-12-23 04:19:38,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:38,759 INFO L225 Difference]: With dead ends: 5880 [2020-12-23 04:19:38,759 INFO L226 Difference]: Without dead ends: 3208 [2020-12-23 04:19:38,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:19:38,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-12-23 04:19:38,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-12-23 04:19:38,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-12-23 04:19:38,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3280 transitions. [2020-12-23 04:19:38,837 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3280 transitions. Word has length 482 [2020-12-23 04:19:38,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:38,838 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3280 transitions. [2020-12-23 04:19:38,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:38,838 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3280 transitions. [2020-12-23 04:19:38,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2020-12-23 04:19:38,845 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:38,845 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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] [2020-12-23 04:19:39,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 04:19:39,059 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:39,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:39,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1243681680, now seen corresponding path program 1 times [2020-12-23 04:19:39,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:39,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629980180] [2020-12-23 04:19:39,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:40,364 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 246 proven. 195 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2020-12-23 04:19:40,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629980180] [2020-12-23 04:19:40,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447099342] [2020-12-23 04:19:40,365 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 04:19:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:40,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:19:40,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:19:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2020-12-23 04:19:41,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:19:41,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-23 04:19:41,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922481517] [2020-12-23 04:19:41,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:41,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:41,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:41,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:19:41,228 INFO L87 Difference]: Start difference. First operand 3030 states and 3280 transitions. Second operand 3 states. [2020-12-23 04:19:42,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:42,011 INFO L93 Difference]: Finished difference Result 6592 states and 7123 transitions. [2020-12-23 04:19:42,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:42,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 564 [2020-12-23 04:19:42,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:42,026 INFO L225 Difference]: With dead ends: 6592 [2020-12-23 04:19:42,026 INFO L226 Difference]: Without dead ends: 3030 [2020-12-23 04:19:42,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:19:42,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2020-12-23 04:19:42,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2852. [2020-12-23 04:19:42,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2020-12-23 04:19:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3073 transitions. [2020-12-23 04:19:42,095 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3073 transitions. Word has length 564 [2020-12-23 04:19:42,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:42,096 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3073 transitions. [2020-12-23 04:19:42,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:42,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3073 transitions. [2020-12-23 04:19:42,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2020-12-23 04:19:42,104 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:42,104 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-12-23 04:19:42,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 04:19:42,320 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:42,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:42,321 INFO L82 PathProgramCache]: Analyzing trace with hash -560311672, now seen corresponding path program 1 times [2020-12-23 04:19:42,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:42,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797574451] [2020-12-23 04:19:42,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:43,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 810 proven. 195 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-12-23 04:19:43,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797574451] [2020-12-23 04:19:43,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780460572] [2020-12-23 04:19:43,290 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 04:19:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:43,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:19:43,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:19:44,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2020-12-23 04:19:44,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:19:44,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-23 04:19:44,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579945066] [2020-12-23 04:19:44,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:44,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:44,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:44,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:19:44,247 INFO L87 Difference]: Start difference. First operand 2852 states and 3073 transitions. Second operand 3 states. [2020-12-23 04:19:45,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:45,079 INFO L93 Difference]: Finished difference Result 6236 states and 6758 transitions. [2020-12-23 04:19:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:45,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 599 [2020-12-23 04:19:45,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:45,099 INFO L225 Difference]: With dead ends: 6236 [2020-12-23 04:19:45,100 INFO L226 Difference]: Without dead ends: 3564 [2020-12-23 04:19:45,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:19:45,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-12-23 04:19:45,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2020-12-23 04:19:45,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-12-23 04:19:45,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3663 transitions. [2020-12-23 04:19:45,181 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3663 transitions. Word has length 599 [2020-12-23 04:19:45,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:45,183 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3663 transitions. [2020-12-23 04:19:45,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:45,183 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3663 transitions. [2020-12-23 04:19:45,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2020-12-23 04:19:45,192 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:45,193 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2020-12-23 04:19:45,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:19:45,407 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:45,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:45,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1986362432, now seen corresponding path program 1 times [2020-12-23 04:19:45,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:45,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689389888] [2020-12-23 04:19:45,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 862 proven. 195 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-12-23 04:19:46,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689389888] [2020-12-23 04:19:46,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028145755] [2020-12-23 04:19:46,306 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 04:19:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:46,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:19:46,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:19:47,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2020-12-23 04:19:47,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:19:47,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-23 04:19:47,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737679678] [2020-12-23 04:19:47,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:47,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:47,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:47,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:19:47,210 INFO L87 Difference]: Start difference. First operand 3386 states and 3663 transitions. Second operand 3 states. [2020-12-23 04:19:47,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:47,992 INFO L93 Difference]: Finished difference Result 4098 states and 4413 transitions. [2020-12-23 04:19:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:47,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 612 [2020-12-23 04:19:47,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:47,994 INFO L225 Difference]: With dead ends: 4098 [2020-12-23 04:19:47,994 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 04:19:47,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:19:47,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 04:19:47,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 04:19:47,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 04:19:47,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 04:19:47,999 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 612 [2020-12-23 04:19:48,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:48,000 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 04:19:48,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:48,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 04:19:48,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 04:19:48,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-23 04:19:48,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 04:19:48,442 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2020-12-23 04:19:48,581 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2020-12-23 04:19:48,588 INFO L189 CegarLoopUtils]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-12-23 04:19:48,589 INFO L189 CegarLoopUtils]: For program point L895(line 895) no Hoare annotation was computed. [2020-12-23 04:19:48,589 INFO L189 CegarLoopUtils]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-12-23 04:19:48,589 INFO L189 CegarLoopUtils]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-12-23 04:19:48,589 INFO L189 CegarLoopUtils]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-12-23 04:19:48,589 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,590 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,590 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,590 INFO L189 CegarLoopUtils]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-12-23 04:19:48,590 INFO L189 CegarLoopUtils]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-12-23 04:19:48,590 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-23 04:19:48,590 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-23 04:19:48,590 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-23 04:19:48,590 INFO L189 CegarLoopUtils]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-12-23 04:19:48,590 INFO L189 CegarLoopUtils]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-12-23 04:19:48,590 INFO L189 CegarLoopUtils]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-12-23 04:19:48,591 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,591 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,591 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,591 INFO L189 CegarLoopUtils]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-12-23 04:19:48,591 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-23 04:19:48,591 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-23 04:19:48,591 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-23 04:19:48,591 INFO L189 CegarLoopUtils]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-12-23 04:19:48,591 INFO L189 CegarLoopUtils]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-12-23 04:19:48,591 INFO L189 CegarLoopUtils]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-12-23 04:19:48,592 INFO L189 CegarLoopUtils]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-12-23 04:19:48,592 INFO L189 CegarLoopUtils]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-12-23 04:19:48,592 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,592 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,592 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,592 INFO L189 CegarLoopUtils]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-12-23 04:19:48,592 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-23 04:19:48,592 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-23 04:19:48,592 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-23 04:19:48,592 INFO L189 CegarLoopUtils]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-12-23 04:19:48,592 INFO L189 CegarLoopUtils]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-12-23 04:19:48,593 INFO L189 CegarLoopUtils]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-12-23 04:19:48,593 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,593 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,593 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,593 INFO L189 CegarLoopUtils]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-12-23 04:19:48,593 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-23 04:19:48,593 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-23 04:19:48,593 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-23 04:19:48,593 INFO L189 CegarLoopUtils]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-12-23 04:19:48,593 INFO L189 CegarLoopUtils]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-12-23 04:19:48,594 INFO L189 CegarLoopUtils]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-12-23 04:19:48,594 INFO L189 CegarLoopUtils]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-12-23 04:19:48,594 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,594 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,594 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,594 INFO L189 CegarLoopUtils]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-12-23 04:19:48,594 INFO L189 CegarLoopUtils]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-12-23 04:19:48,594 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-23 04:19:48,594 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-23 04:19:48,594 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-23 04:19:48,594 INFO L189 CegarLoopUtils]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-12-23 04:19:48,596 INFO L189 CegarLoopUtils]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-12-23 04:19:48,596 INFO L189 CegarLoopUtils]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-12-23 04:19:48,596 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,596 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,596 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,596 INFO L189 CegarLoopUtils]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-12-23 04:19:48,596 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-23 04:19:48,597 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-23 04:19:48,597 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-23 04:19:48,597 INFO L189 CegarLoopUtils]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-12-23 04:19:48,597 INFO L189 CegarLoopUtils]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-12-23 04:19:48,597 INFO L189 CegarLoopUtils]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-12-23 04:19:48,597 INFO L189 CegarLoopUtils]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-12-23 04:19:48,597 INFO L189 CegarLoopUtils]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-12-23 04:19:48,597 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,597 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,597 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,598 INFO L189 CegarLoopUtils]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-12-23 04:19:48,598 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-23 04:19:48,598 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-23 04:19:48,598 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-23 04:19:48,599 INFO L189 CegarLoopUtils]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-12-23 04:19:48,599 INFO L189 CegarLoopUtils]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-12-23 04:19:48,599 INFO L189 CegarLoopUtils]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-12-23 04:19:48,599 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 04:19:48,599 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,599 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,599 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,599 INFO L189 CegarLoopUtils]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-12-23 04:19:48,600 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-23 04:19:48,600 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-23 04:19:48,600 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-23 04:19:48,600 INFO L189 CegarLoopUtils]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-12-23 04:19:48,600 INFO L189 CegarLoopUtils]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-12-23 04:19:48,600 INFO L189 CegarLoopUtils]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-12-23 04:19:48,600 INFO L189 CegarLoopUtils]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-12-23 04:19:48,600 INFO L189 CegarLoopUtils]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-12-23 04:19:48,601 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,601 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,601 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,601 INFO L189 CegarLoopUtils]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-12-23 04:19:48,601 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-23 04:19:48,601 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-23 04:19:48,601 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-23 04:19:48,601 INFO L189 CegarLoopUtils]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-12-23 04:19:48,601 INFO L189 CegarLoopUtils]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-12-23 04:19:48,601 INFO L189 CegarLoopUtils]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-12-23 04:19:48,601 INFO L189 CegarLoopUtils]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-12-23 04:19:48,601 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,602 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,602 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,602 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-23 04:19:48,602 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-23 04:19:48,602 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-23 04:19:48,602 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 04:19:48,602 INFO L189 CegarLoopUtils]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-12-23 04:19:48,602 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2020-12-23 04:19:48,602 INFO L189 CegarLoopUtils]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-12-23 04:19:48,602 INFO L189 CegarLoopUtils]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-12-23 04:19:48,603 INFO L189 CegarLoopUtils]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-12-23 04:19:48,603 INFO L189 CegarLoopUtils]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-12-23 04:19:48,603 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,603 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,603 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,603 INFO L189 CegarLoopUtils]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-12-23 04:19:48,603 INFO L189 CegarLoopUtils]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-12-23 04:19:48,603 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-23 04:19:48,603 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-23 04:19:48,603 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-23 04:19:48,604 INFO L189 CegarLoopUtils]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-12-23 04:19:48,604 INFO L189 CegarLoopUtils]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-12-23 04:19:48,604 INFO L189 CegarLoopUtils]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-12-23 04:19:48,604 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,604 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,604 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,604 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-23 04:19:48,605 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-23 04:19:48,605 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-23 04:19:48,605 INFO L189 CegarLoopUtils]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-12-23 04:19:48,605 INFO L189 CegarLoopUtils]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-12-23 04:19:48,605 INFO L189 CegarLoopUtils]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-12-23 04:19:48,605 INFO L189 CegarLoopUtils]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-12-23 04:19:48,605 INFO L189 CegarLoopUtils]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-12-23 04:19:48,605 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,606 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,606 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,606 INFO L189 CegarLoopUtils]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-12-23 04:19:48,606 INFO L189 CegarLoopUtils]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-12-23 04:19:48,606 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-23 04:19:48,606 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-23 04:19:48,606 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-23 04:19:48,606 INFO L189 CegarLoopUtils]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-12-23 04:19:48,606 INFO L189 CegarLoopUtils]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-12-23 04:19:48,606 INFO L189 CegarLoopUtils]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-12-23 04:19:48,606 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,606 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,607 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,607 INFO L189 CegarLoopUtils]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-12-23 04:19:48,607 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-23 04:19:48,607 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-23 04:19:48,607 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-23 04:19:48,607 INFO L189 CegarLoopUtils]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-12-23 04:19:48,607 INFO L189 CegarLoopUtils]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-12-23 04:19:48,607 INFO L189 CegarLoopUtils]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-12-23 04:19:48,607 INFO L189 CegarLoopUtils]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-12-23 04:19:48,607 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,607 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,607 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,608 INFO L189 CegarLoopUtils]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-12-23 04:19:48,608 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-23 04:19:48,608 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-23 04:19:48,608 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-23 04:19:48,608 INFO L189 CegarLoopUtils]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-12-23 04:19:48,608 INFO L189 CegarLoopUtils]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-12-23 04:19:48,608 INFO L189 CegarLoopUtils]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-12-23 04:19:48,608 INFO L189 CegarLoopUtils]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-12-23 04:19:48,608 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,608 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,608 INFO L189 CegarLoopUtils]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-12-23 04:19:48,608 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-23 04:19:48,608 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-23 04:19:48,609 INFO L189 CegarLoopUtils]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-12-23 04:19:48,609 INFO L189 CegarLoopUtils]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-12-23 04:19:48,609 INFO L189 CegarLoopUtils]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-12-23 04:19:48,609 INFO L189 CegarLoopUtils]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-12-23 04:19:48,609 INFO L189 CegarLoopUtils]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-12-23 04:19:48,609 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,609 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,609 INFO L189 CegarLoopUtils]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-12-23 04:19:48,609 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 04:19:48,609 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-23 04:19:48,609 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-23 04:19:48,609 INFO L189 CegarLoopUtils]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-12-23 04:19:48,610 INFO L189 CegarLoopUtils]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-12-23 04:19:48,610 INFO L189 CegarLoopUtils]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-12-23 04:19:48,610 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,610 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,610 INFO L185 CegarLoopUtils]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse2 (< 0 (+ ~a12~0 43))) (.cse3 (<= ~a21~0 7)) (.cse1 (<= ~a15~0 5)) (.cse0 (= ~a24~0 1))) (or (and (<= 7 ~a15~0) .cse0) (and .cse1 (<= (+ ~a12~0 49) 0) .cse0) (and .cse2 .cse0) (and .cse3 .cse2 (<= ~a15~0 8)) (and .cse3 .cse1) (and (<= 9 ~a21~0) .cse0))) [2020-12-23 04:19:48,611 INFO L189 CegarLoopUtils]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-12-23 04:19:48,611 INFO L189 CegarLoopUtils]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-12-23 04:19:48,611 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-23 04:19:48,611 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-23 04:19:48,611 INFO L189 CegarLoopUtils]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-12-23 04:19:48,611 INFO L189 CegarLoopUtils]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-12-23 04:19:48,611 INFO L189 CegarLoopUtils]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-12-23 04:19:48,611 INFO L189 CegarLoopUtils]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-12-23 04:19:48,611 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,611 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,611 INFO L192 CegarLoopUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-12-23 04:19:48,611 INFO L189 CegarLoopUtils]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-12-23 04:19:48,612 INFO L189 CegarLoopUtils]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-12-23 04:19:48,612 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-23 04:19:48,612 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-23 04:19:48,612 INFO L189 CegarLoopUtils]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-12-23 04:19:48,612 INFO L189 CegarLoopUtils]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-12-23 04:19:48,612 INFO L189 CegarLoopUtils]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-12-23 04:19:48,612 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,612 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,612 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 04:19:48,612 INFO L189 CegarLoopUtils]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-12-23 04:19:48,612 INFO L189 CegarLoopUtils]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-12-23 04:19:48,612 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-23 04:19:48,613 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-23 04:19:48,613 INFO L189 CegarLoopUtils]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-12-23 04:19:48,613 INFO L189 CegarLoopUtils]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-12-23 04:19:48,613 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,613 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,613 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-23 04:19:48,613 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,613 INFO L189 CegarLoopUtils]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-12-23 04:19:48,615 INFO L185 CegarLoopUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse2 (< 0 (+ ~a12~0 43))) (.cse3 (<= ~a21~0 7)) (.cse1 (<= ~a15~0 5)) (.cse0 (= ~a24~0 1))) (or (and (<= 7 ~a15~0) .cse0) (and .cse1 (<= (+ ~a12~0 49) 0) .cse0) (and .cse2 .cse0) (and .cse3 .cse2 (<= ~a15~0 8)) (and .cse3 .cse1) (and (<= 9 ~a21~0) .cse0))) [2020-12-23 04:19:48,615 INFO L189 CegarLoopUtils]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-12-23 04:19:48,616 INFO L189 CegarLoopUtils]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-12-23 04:19:48,616 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-23 04:19:48,616 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-23 04:19:48,616 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-23 04:19:48,616 INFO L189 CegarLoopUtils]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-12-23 04:19:48,616 INFO L189 CegarLoopUtils]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-12-23 04:19:48,616 INFO L189 CegarLoopUtils]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-12-23 04:19:48,616 INFO L189 CegarLoopUtils]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-12-23 04:19:48,616 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,616 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,616 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:48,616 INFO L189 CegarLoopUtils]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-12-23 04:19:48,617 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-23 04:19:48,617 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-23 04:19:48,617 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-23 04:19:48,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 04:19:48 BoogieIcfgContainer [2020-12-23 04:19:48,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 04:19:48,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 04:19:48,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 04:19:48,657 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 04:19:48,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:19:18" (3/4) ... [2020-12-23 04:19:48,662 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 04:19:48,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 04:19:48,724 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 04:19:48,726 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 04:19:48,728 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 04:19:48,964 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem14_label21.c-witness.graphml [2020-12-23 04:19:48,964 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 04:19:48,966 INFO L168 Benchmark]: Toolchain (without parser) took 34428.84 ms. Allocated memory was 151.0 MB in the beginning and 997.2 MB in the end (delta: 846.2 MB). Free memory was 125.2 MB in the beginning and 945.0 MB in the end (delta: -819.7 MB). Peak memory consumption was 486.4 MB. Max. memory is 8.0 GB. [2020-12-23 04:19:48,967 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 123.3 MB in the end (delta: 98.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 04:19:48,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1050.58 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 124.1 MB in the end (delta: 896.7 kB). Peak memory consumption was 27.5 MB. Max. memory is 8.0 GB. [2020-12-23 04:19:48,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.02 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 114.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-23 04:19:48,968 INFO L168 Benchmark]: Boogie Preprocessor took 200.25 ms. Allocated memory is still 151.0 MB. Free memory was 114.6 MB in the beginning and 108.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-23 04:19:48,968 INFO L168 Benchmark]: RCFGBuilder took 2356.40 ms. Allocated memory is still 151.0 MB. Free memory was 107.8 MB in the beginning and 64.0 MB in the end (delta: 43.9 MB). Peak memory consumption was 68.0 MB. Max. memory is 8.0 GB. [2020-12-23 04:19:48,969 INFO L168 Benchmark]: TraceAbstraction took 30331.22 ms. Allocated memory was 151.0 MB in the beginning and 808.5 MB in the end (delta: 657.5 MB). Free memory was 64.0 MB in the beginning and 300.1 MB in the end (delta: -236.1 MB). Peak memory consumption was 421.8 MB. Max. memory is 8.0 GB. [2020-12-23 04:19:48,969 INFO L168 Benchmark]: Witness Printer took 306.93 ms. Allocated memory was 808.5 MB in the beginning and 997.2 MB in the end (delta: 188.7 MB). Free memory was 299.6 MB in the beginning and 945.0 MB in the end (delta: -645.4 MB). Peak memory consumption was 2.6 MB. Max. memory is 8.0 GB. [2020-12-23 04:19:48,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 123.3 MB in the end (delta: 98.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1050.58 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 124.1 MB in the end (delta: 896.7 kB). Peak memory consumption was 27.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 170.02 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 114.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 200.25 ms. Allocated memory is still 151.0 MB. Free memory was 114.6 MB in the beginning and 108.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2356.40 ms. Allocated memory is still 151.0 MB. Free memory was 107.8 MB in the beginning and 64.0 MB in the end (delta: 43.9 MB). Peak memory consumption was 68.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 30331.22 ms. Allocated memory was 151.0 MB in the beginning and 808.5 MB in the end (delta: 657.5 MB). Free memory was 64.0 MB in the beginning and 300.1 MB in the end (delta: -236.1 MB). Peak memory consumption was 421.8 MB. Max. memory is 8.0 GB. * Witness Printer took 306.93 ms. Allocated memory was 808.5 MB in the beginning and 997.2 MB in the end (delta: 188.7 MB). Free memory was 299.6 MB in the beginning and 945.0 MB in the end (delta: -645.4 MB). Peak memory consumption was 2.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 116]: 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: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((7 <= a15 && a24 == 1) || ((a15 <= 5 && a12 + 49 <= 0) && a24 == 1)) || (0 < a12 + 43 && a24 == 1)) || ((a21 <= 7 && 0 < a12 + 43) && a15 <= 8)) || (a21 <= 7 && a15 <= 5)) || (9 <= a21 && a24 == 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((7 <= a15 && a24 == 1) || ((a15 <= 5 && a12 + 49 <= 0) && a24 == 1)) || (0 < a12 + 43 && a24 == 1)) || ((a21 <= 7 && 0 < a12 + 43) && a15 <= 8)) || (a21 <= 7 && a15 <= 5)) || (9 <= a21 && a24 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.7s, OverallIterations: 13, TraceHistogramMax: 6, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1565 SDtfs, 1965 SDslu, 75 SDs, 0 SdLazy, 6759 SolverSat, 1111 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2626 GetRequests, 2590 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 1428 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 63 NumberOfFragments, 111 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1422 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 472 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 7202 NumberOfCodeBlocks, 7202 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 7184 ConstructedInterpolants, 0 QuantifiedInterpolants, 12659043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3381 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 9997/10907 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...