/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/eca-rers2012/Problem01_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:52:40,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:52:40,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:52:40,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:52:40,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:52:40,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:52:40,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:52:40,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:52:40,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:52:40,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:52:40,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:52:40,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:52:40,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:52:40,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:52:40,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:52:40,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:52:40,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:52:40,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:52:40,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:52:40,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:52:40,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:52:40,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:52:40,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:52:40,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:52:40,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 01:52:40,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:52:40,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:52:40,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:52:40,805 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 01:52:40,830 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:52:40,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:52:40,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:52:40,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:52:40,832 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:52:40,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:52:40,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:52:40,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:52:40,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:52:40,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:52:40,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:52:40,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:52:40,834 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:52:40,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:52:40,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:52:40,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:52:40,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:52:40,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:52:40,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:52:40,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:52:40,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:52:40,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:52:40,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:52:40,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:52:40,836 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:52:40,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:52:41,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:52:41,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:52:41,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:52:41,257 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:52:41,258 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:52:41,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label42.c [2020-12-23 01:52:41,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4f08b4d9d/c9b8b37dc71949419ec1d87d9238934b/FLAG4eb1a7d3e [2020-12-23 01:52:42,138 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:52:42,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label42.c [2020-12-23 01:52:42,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4f08b4d9d/c9b8b37dc71949419ec1d87d9238934b/FLAG4eb1a7d3e [2020-12-23 01:52:42,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4f08b4d9d/c9b8b37dc71949419ec1d87d9238934b [2020-12-23 01:52:42,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:52:42,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:52:42,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:52:42,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:52:42,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:52:42,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:52:42" (1/1) ... [2020-12-23 01:52:42,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9955de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:52:42, skipping insertion in model container [2020-12-23 01:52:42,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:52:42" (1/1) ... [2020-12-23 01:52:42,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:52:42,462 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] [2020-12-23 01:52:42,880 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label42.c[19849,19862] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:52:42,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:52:42,913 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] [2020-12-23 01:52:43,020 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label42.c[19849,19862] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:52:43,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:52:43,094 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:52:43,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:52:43 WrapperNode [2020-12-23 01:52:43,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:52:43,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:52:43,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:52:43,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:52:43,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:52:43" (1/1) ... [2020-12-23 01:52:43,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:52:43" (1/1) ... [2020-12-23 01:52:43,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:52:43,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:52:43,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:52:43,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:52:43,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:52:43" (1/1) ... [2020-12-23 01:52:43,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:52:43" (1/1) ... [2020-12-23 01:52:43,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:52:43" (1/1) ... [2020-12-23 01:52:43,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:52:43" (1/1) ... [2020-12-23 01:52:43,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:52:43" (1/1) ... [2020-12-23 01:52:43,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:52:43" (1/1) ... [2020-12-23 01:52:43,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:52:43" (1/1) ... [2020-12-23 01:52:43,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:52:43,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:52:43,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:52:43,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:52:43,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:52:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:52:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:52:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:52:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:52:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:52:44,881 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:52:44,882 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 01:52:44,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:52:44 BoogieIcfgContainer [2020-12-23 01:52:44,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:52:44,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:52:44,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:52:44,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:52:44,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:52:42" (1/3) ... [2020-12-23 01:52:44,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8148d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:52:44, skipping insertion in model container [2020-12-23 01:52:44,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:52:43" (2/3) ... [2020-12-23 01:52:44,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8148d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:52:44, skipping insertion in model container [2020-12-23 01:52:44,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:52:44" (3/3) ... [2020-12-23 01:52:44,893 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label42.c [2020-12-23 01:52:44,900 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:52:44,905 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:52:44,924 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:52:44,953 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:52:44,953 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:52:44,954 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:52:44,954 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:52:44,954 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:52:44,954 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:52:44,954 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:52:44,954 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:52:44,974 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-12-23 01:52:44,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-23 01:52:44,989 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:52:44,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:52:44,991 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:52:44,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:52:44,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1613704130, now seen corresponding path program 1 times [2020-12-23 01:52:45,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:52:45,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782673509] [2020-12-23 01:52:45,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:52:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:52:45,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:52:45,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782673509] [2020-12-23 01:52:45,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:52:45,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 01:52:45,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966423406] [2020-12-23 01:52:45,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 01:52:45,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:52:45,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 01:52:45,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:52:45,854 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 5 states. [2020-12-23 01:52:48,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:52:48,266 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2020-12-23 01:52:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 01:52:48,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-12-23 01:52:48,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:52:48,312 INFO L225 Difference]: With dead ends: 662 [2020-12-23 01:52:48,313 INFO L226 Difference]: Without dead ends: 397 [2020-12-23 01:52:48,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-23 01:52:48,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-12-23 01:52:48,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2020-12-23 01:52:48,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-12-23 01:52:48,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions. [2020-12-23 01:52:48,404 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 115 [2020-12-23 01:52:48,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:52:48,405 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions. [2020-12-23 01:52:48,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 01:52:48,405 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions. [2020-12-23 01:52:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-23 01:52:48,410 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:52:48,410 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:52:48,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:52:48,411 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:52:48,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:52:48,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1556832053, now seen corresponding path program 1 times [2020-12-23 01:52:48,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:52:48,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707166346] [2020-12-23 01:52:48,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:52:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:52:48,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:52:48,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707166346] [2020-12-23 01:52:48,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:52:48,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:52:48,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075767364] [2020-12-23 01:52:48,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 01:52:48,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:52:48,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 01:52:48,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:52:48,803 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand 4 states. [2020-12-23 01:52:50,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:52:50,303 INFO L93 Difference]: Finished difference Result 1018 states and 1433 transitions. [2020-12-23 01:52:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 01:52:50,304 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2020-12-23 01:52:50,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:52:50,309 INFO L225 Difference]: With dead ends: 1018 [2020-12-23 01:52:50,309 INFO L226 Difference]: Without dead ends: 659 [2020-12-23 01:52:50,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:52:50,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-12-23 01:52:50,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 397. [2020-12-23 01:52:50,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-12-23 01:52:50,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions. [2020-12-23 01:52:50,353 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 122 [2020-12-23 01:52:50,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:52:50,354 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions. [2020-12-23 01:52:50,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 01:52:50,354 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions. [2020-12-23 01:52:50,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-23 01:52:50,357 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:52:50,357 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:52:50,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:52:50,358 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:52:50,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:52:50,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1584192461, now seen corresponding path program 1 times [2020-12-23 01:52:50,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:52:50,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461091900] [2020-12-23 01:52:50,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:52:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:52:50,463 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:52:50,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461091900] [2020-12-23 01:52:50,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:52:50,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:52:50,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070308286] [2020-12-23 01:52:50,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 01:52:50,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:52:50,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 01:52:50,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:52:50,467 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand 4 states. [2020-12-23 01:52:51,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:52:51,602 INFO L93 Difference]: Finished difference Result 1054 states and 1283 transitions. [2020-12-23 01:52:51,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 01:52:51,603 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2020-12-23 01:52:51,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:52:51,608 INFO L225 Difference]: With dead ends: 1054 [2020-12-23 01:52:51,608 INFO L226 Difference]: Without dead ends: 659 [2020-12-23 01:52:51,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:52:51,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-12-23 01:52:51,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2020-12-23 01:52:51,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-12-23 01:52:51,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 785 transitions. [2020-12-23 01:52:51,631 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 785 transitions. Word has length 130 [2020-12-23 01:52:51,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:52:51,632 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 785 transitions. [2020-12-23 01:52:51,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 01:52:51,632 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 785 transitions. [2020-12-23 01:52:51,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-23 01:52:51,635 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:52:51,635 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:52:51,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 01:52:51,636 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:52:51,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:52:51,637 INFO L82 PathProgramCache]: Analyzing trace with hash -210889429, now seen corresponding path program 1 times [2020-12-23 01:52:51,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:52:51,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948535947] [2020-12-23 01:52:51,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:52:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:52:51,706 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-23 01:52:51,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948535947] [2020-12-23 01:52:51,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:52:51,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:52:51,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548706691] [2020-12-23 01:52:51,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:52:51,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:52:51,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:52:51,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:52:51,710 INFO L87 Difference]: Start difference. First operand 659 states and 785 transitions. Second operand 3 states. [2020-12-23 01:52:52,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:52:52,491 INFO L93 Difference]: Finished difference Result 1840 states and 2182 transitions. [2020-12-23 01:52:52,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:52:52,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-12-23 01:52:52,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:52:52,500 INFO L225 Difference]: With dead ends: 1840 [2020-12-23 01:52:52,501 INFO L226 Difference]: Without dead ends: 1183 [2020-12-23 01:52:52,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:52:52,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2020-12-23 01:52:52,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2020-12-23 01:52:52,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-12-23 01:52:52,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1261 transitions. [2020-12-23 01:52:52,548 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1261 transitions. Word has length 139 [2020-12-23 01:52:52,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:52:52,549 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1261 transitions. [2020-12-23 01:52:52,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:52:52,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1261 transitions. [2020-12-23 01:52:52,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-23 01:52:52,555 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:52:52,555 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:52:52,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 01:52:52,555 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:52:52,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:52:52,556 INFO L82 PathProgramCache]: Analyzing trace with hash 882312092, now seen corresponding path program 1 times [2020-12-23 01:52:52,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:52:52,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396528950] [2020-12-23 01:52:52,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:52:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:52:52,720 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-23 01:52:52,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396528950] [2020-12-23 01:52:52,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870323142] [2020-12-23 01:52:52,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:52:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:52:52,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:52:52,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:52:53,262 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-23 01:52:53,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:52:53,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:52:53,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701748966] [2020-12-23 01:52:53,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:52:53,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:52:53,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:52:53,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:52:53,267 INFO L87 Difference]: Start difference. First operand 1052 states and 1261 transitions. Second operand 3 states. [2020-12-23 01:52:54,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:52:54,002 INFO L93 Difference]: Finished difference Result 2495 states and 3042 transitions. [2020-12-23 01:52:54,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:52:54,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-12-23 01:52:54,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:52:54,010 INFO L225 Difference]: With dead ends: 2495 [2020-12-23 01:52:54,011 INFO L226 Difference]: Without dead ends: 1445 [2020-12-23 01:52:54,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:52:54,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2020-12-23 01:52:54,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1183. [2020-12-23 01:52:54,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-12-23 01:52:54,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1416 transitions. [2020-12-23 01:52:54,047 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1416 transitions. Word has length 145 [2020-12-23 01:52:54,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:52:54,048 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1416 transitions. [2020-12-23 01:52:54,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:52:54,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1416 transitions. [2020-12-23 01:52:54,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-12-23 01:52:54,052 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:52:54,052 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:52:54,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:52:54,266 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:52:54,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:52:54,268 INFO L82 PathProgramCache]: Analyzing trace with hash -299894565, now seen corresponding path program 1 times [2020-12-23 01:52:54,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:52:54,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610263337] [2020-12-23 01:52:54,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:52:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:52:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-12-23 01:52:54,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610263337] [2020-12-23 01:52:54,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476528509] [2020-12-23 01:52:54,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:52:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:52:54,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:52:54,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:52:54,979 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-23 01:52:54,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:52:54,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:52:54,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659059324] [2020-12-23 01:52:54,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:52:54,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:52:54,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:52:54,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:52:54,982 INFO L87 Difference]: Start difference. First operand 1183 states and 1416 transitions. Second operand 3 states. [2020-12-23 01:52:55,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:52:55,805 INFO L93 Difference]: Finished difference Result 2888 states and 3419 transitions. [2020-12-23 01:52:55,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:52:55,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2020-12-23 01:52:55,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:52:55,814 INFO L225 Difference]: With dead ends: 2888 [2020-12-23 01:52:55,814 INFO L226 Difference]: Without dead ends: 1576 [2020-12-23 01:52:55,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:52:55,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2020-12-23 01:52:55,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2020-12-23 01:52:55,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2020-12-23 01:52:55,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1800 transitions. [2020-12-23 01:52:55,860 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1800 transitions. Word has length 183 [2020-12-23 01:52:55,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:52:55,860 INFO L481 AbstractCegarLoop]: Abstraction has 1576 states and 1800 transitions. [2020-12-23 01:52:55,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:52:55,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1800 transitions. [2020-12-23 01:52:55,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-12-23 01:52:55,867 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:52:55,867 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:52:56,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:52:56,074 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:52:56,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:52:56,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1937364628, now seen corresponding path program 1 times [2020-12-23 01:52:56,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:52:56,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561378155] [2020-12-23 01:52:56,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:52:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:52:56,184 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-12-23 01:52:56,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561378155] [2020-12-23 01:52:56,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165676181] [2020-12-23 01:52:56,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:52:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:52:56,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:52:56,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:52:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-23 01:52:56,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:52:56,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:52:56,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791805328] [2020-12-23 01:52:56,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:52:56,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:52:56,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:52:56,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:52:56,917 INFO L87 Difference]: Start difference. First operand 1576 states and 1800 transitions. Second operand 3 states. [2020-12-23 01:52:57,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:52:57,666 INFO L93 Difference]: Finished difference Result 4067 states and 4634 transitions. [2020-12-23 01:52:57,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:52:57,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2020-12-23 01:52:57,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:52:57,678 INFO L225 Difference]: With dead ends: 4067 [2020-12-23 01:52:57,678 INFO L226 Difference]: Without dead ends: 2493 [2020-12-23 01:52:57,682 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:52:57,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2020-12-23 01:52:57,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2362. [2020-12-23 01:52:57,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-12-23 01:52:57,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2680 transitions. [2020-12-23 01:52:57,740 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2680 transitions. Word has length 202 [2020-12-23 01:52:57,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:52:57,741 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2680 transitions. [2020-12-23 01:52:57,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:52:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2680 transitions. [2020-12-23 01:52:57,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-12-23 01:52:57,748 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:52:57,748 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:52:57,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:52:57,963 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:52:57,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:52:57,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1414952128, now seen corresponding path program 1 times [2020-12-23 01:52:57,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:52:57,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264413918] [2020-12-23 01:52:57,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:52:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:52:58,078 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2020-12-23 01:52:58,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264413918] [2020-12-23 01:52:58,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070913909] [2020-12-23 01:52:58,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:52:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:52:58,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:52:58,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:52:58,666 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-12-23 01:52:58,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:52:58,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:52:58,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943333200] [2020-12-23 01:52:58,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:52:58,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:52:58,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:52:58,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:52:58,669 INFO L87 Difference]: Start difference. First operand 2362 states and 2680 transitions. Second operand 3 states. [2020-12-23 01:52:59,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:52:59,459 INFO L93 Difference]: Finished difference Result 4982 states and 5657 transitions. [2020-12-23 01:52:59,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:52:59,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-12-23 01:52:59,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:52:59,461 INFO L225 Difference]: With dead ends: 4982 [2020-12-23 01:52:59,461 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 01:52:59,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:52:59,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 01:52:59,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 01:52:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 01:52:59,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 01:52:59,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234 [2020-12-23 01:52:59,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:52:59,506 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 01:52:59,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:52:59,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 01:52:59,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 01:52:59,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:52:59,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 01:52:59,918 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-12-23 01:53:00,047 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-12-23 01:53:00,052 INFO L189 CegarLoopUtils]: For program point L564(line 564) no Hoare annotation was computed. [2020-12-23 01:53:00,052 INFO L189 CegarLoopUtils]: For program point L531(line 531) no Hoare annotation was computed. [2020-12-23 01:53:00,052 INFO L189 CegarLoopUtils]: For program point L498(line 498) no Hoare annotation was computed. [2020-12-23 01:53:00,052 INFO L189 CegarLoopUtils]: For program point L465(line 465) no Hoare annotation was computed. [2020-12-23 01:53:00,052 INFO L189 CegarLoopUtils]: For program point L432(line 432) no Hoare annotation was computed. [2020-12-23 01:53:00,052 INFO L189 CegarLoopUtils]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-12-23 01:53:00,052 INFO L189 CegarLoopUtils]: For program point L598(line 598) no Hoare annotation was computed. [2020-12-23 01:53:00,052 INFO L189 CegarLoopUtils]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-12-23 01:53:00,053 INFO L189 CegarLoopUtils]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,053 INFO L189 CegarLoopUtils]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,053 INFO L189 CegarLoopUtils]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,053 INFO L189 CegarLoopUtils]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,053 INFO L189 CegarLoopUtils]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-12-23 01:53:00,053 INFO L189 CegarLoopUtils]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,053 INFO L189 CegarLoopUtils]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,053 INFO L189 CegarLoopUtils]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-12-23 01:53:00,053 INFO L189 CegarLoopUtils]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-12-23 01:53:00,053 INFO L189 CegarLoopUtils]: For program point L567(line 567) no Hoare annotation was computed. [2020-12-23 01:53:00,054 INFO L189 CegarLoopUtils]: For program point L534(line 534) no Hoare annotation was computed. [2020-12-23 01:53:00,054 INFO L189 CegarLoopUtils]: For program point L501(line 501) no Hoare annotation was computed. [2020-12-23 01:53:00,054 INFO L189 CegarLoopUtils]: For program point L468(line 468) no Hoare annotation was computed. [2020-12-23 01:53:00,054 INFO L189 CegarLoopUtils]: For program point L435(line 435) no Hoare annotation was computed. [2020-12-23 01:53:00,054 INFO L189 CegarLoopUtils]: For program point L402(line 402) no Hoare annotation was computed. [2020-12-23 01:53:00,054 INFO L189 CegarLoopUtils]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-12-23 01:53:00,054 INFO L189 CegarLoopUtils]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-12-23 01:53:00,054 INFO L189 CegarLoopUtils]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-12-23 01:53:00,055 INFO L189 CegarLoopUtils]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-12-23 01:53:00,055 INFO L189 CegarLoopUtils]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,055 INFO L189 CegarLoopUtils]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,055 INFO L189 CegarLoopUtils]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,055 INFO L189 CegarLoopUtils]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,055 INFO L189 CegarLoopUtils]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,055 INFO L189 CegarLoopUtils]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-12-23 01:53:00,055 INFO L189 CegarLoopUtils]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,056 INFO L189 CegarLoopUtils]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-12-23 01:53:00,056 INFO L189 CegarLoopUtils]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-12-23 01:53:00,056 INFO L189 CegarLoopUtils]: For program point L570(line 570) no Hoare annotation was computed. [2020-12-23 01:53:00,056 INFO L189 CegarLoopUtils]: For program point L537(line 537) no Hoare annotation was computed. [2020-12-23 01:53:00,056 INFO L189 CegarLoopUtils]: For program point L504(line 504) no Hoare annotation was computed. [2020-12-23 01:53:00,056 INFO L189 CegarLoopUtils]: For program point L471(line 471) no Hoare annotation was computed. [2020-12-23 01:53:00,056 INFO L189 CegarLoopUtils]: For program point L438(line 438) no Hoare annotation was computed. [2020-12-23 01:53:00,056 INFO L189 CegarLoopUtils]: For program point L405(line 405) no Hoare annotation was computed. [2020-12-23 01:53:00,057 INFO L189 CegarLoopUtils]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-12-23 01:53:00,057 INFO L189 CegarLoopUtils]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-12-23 01:53:00,057 INFO L189 CegarLoopUtils]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-12-23 01:53:00,057 INFO L189 CegarLoopUtils]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-12-23 01:53:00,057 INFO L189 CegarLoopUtils]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-12-23 01:53:00,057 INFO L189 CegarLoopUtils]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-12-23 01:53:00,057 INFO L189 CegarLoopUtils]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,057 INFO L189 CegarLoopUtils]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,058 INFO L189 CegarLoopUtils]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,058 INFO L189 CegarLoopUtils]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,058 INFO L189 CegarLoopUtils]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,058 INFO L189 CegarLoopUtils]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,058 INFO L189 CegarLoopUtils]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-12-23 01:53:00,058 INFO L189 CegarLoopUtils]: For program point L573(line 573) no Hoare annotation was computed. [2020-12-23 01:53:00,058 INFO L189 CegarLoopUtils]: For program point L540(line 540) no Hoare annotation was computed. [2020-12-23 01:53:00,058 INFO L189 CegarLoopUtils]: For program point L507(line 507) no Hoare annotation was computed. [2020-12-23 01:53:00,059 INFO L189 CegarLoopUtils]: For program point L474(line 474) no Hoare annotation was computed. [2020-12-23 01:53:00,059 INFO L189 CegarLoopUtils]: For program point L441(line 441) no Hoare annotation was computed. [2020-12-23 01:53:00,059 INFO L189 CegarLoopUtils]: For program point L408(line 408) no Hoare annotation was computed. [2020-12-23 01:53:00,059 INFO L189 CegarLoopUtils]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-12-23 01:53:00,059 INFO L189 CegarLoopUtils]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-12-23 01:53:00,059 INFO L189 CegarLoopUtils]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-12-23 01:53:00,059 INFO L189 CegarLoopUtils]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-12-23 01:53:00,059 INFO L189 CegarLoopUtils]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-12-23 01:53:00,059 INFO L189 CegarLoopUtils]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,060 INFO L189 CegarLoopUtils]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,060 INFO L189 CegarLoopUtils]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,060 INFO L189 CegarLoopUtils]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,060 INFO L189 CegarLoopUtils]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,060 INFO L189 CegarLoopUtils]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,060 INFO L189 CegarLoopUtils]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-12-23 01:53:00,060 INFO L189 CegarLoopUtils]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-12-23 01:53:00,060 INFO L189 CegarLoopUtils]: For program point L576(line 576) no Hoare annotation was computed. [2020-12-23 01:53:00,060 INFO L189 CegarLoopUtils]: For program point L543(line 543) no Hoare annotation was computed. [2020-12-23 01:53:00,060 INFO L189 CegarLoopUtils]: For program point L510(line 510) no Hoare annotation was computed. [2020-12-23 01:53:00,060 INFO L189 CegarLoopUtils]: For program point L477(line 477) no Hoare annotation was computed. [2020-12-23 01:53:00,060 INFO L189 CegarLoopUtils]: For program point L444(line 444) no Hoare annotation was computed. [2020-12-23 01:53:00,061 INFO L189 CegarLoopUtils]: For program point L411(line 411) no Hoare annotation was computed. [2020-12-23 01:53:00,061 INFO L189 CegarLoopUtils]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-12-23 01:53:00,061 INFO L189 CegarLoopUtils]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-12-23 01:53:00,061 INFO L189 CegarLoopUtils]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,061 INFO L189 CegarLoopUtils]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,061 INFO L189 CegarLoopUtils]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,061 INFO L189 CegarLoopUtils]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,061 INFO L189 CegarLoopUtils]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,061 INFO L189 CegarLoopUtils]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,061 INFO L189 CegarLoopUtils]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-12-23 01:53:00,061 INFO L189 CegarLoopUtils]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-12-23 01:53:00,062 INFO L189 CegarLoopUtils]: For program point L579(line 579) no Hoare annotation was computed. [2020-12-23 01:53:00,062 INFO L189 CegarLoopUtils]: For program point L546(line 546) no Hoare annotation was computed. [2020-12-23 01:53:00,062 INFO L189 CegarLoopUtils]: For program point L513(line 513) no Hoare annotation was computed. [2020-12-23 01:53:00,062 INFO L189 CegarLoopUtils]: For program point L480(line 480) no Hoare annotation was computed. [2020-12-23 01:53:00,062 INFO L189 CegarLoopUtils]: For program point L447(line 447) no Hoare annotation was computed. [2020-12-23 01:53:00,062 INFO L189 CegarLoopUtils]: For program point L414(line 414) no Hoare annotation was computed. [2020-12-23 01:53:00,062 INFO L189 CegarLoopUtils]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-12-23 01:53:00,062 INFO L189 CegarLoopUtils]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-12-23 01:53:00,062 INFO L189 CegarLoopUtils]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-12-23 01:53:00,062 INFO L189 CegarLoopUtils]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-12-23 01:53:00,063 INFO L189 CegarLoopUtils]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-12-23 01:53:00,063 INFO L189 CegarLoopUtils]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-12-23 01:53:00,063 INFO L189 CegarLoopUtils]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-12-23 01:53:00,063 INFO L189 CegarLoopUtils]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,063 INFO L189 CegarLoopUtils]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,063 INFO L189 CegarLoopUtils]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,063 INFO L189 CegarLoopUtils]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,063 INFO L189 CegarLoopUtils]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,064 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 01:53:00,064 INFO L189 CegarLoopUtils]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-12-23 01:53:00,064 INFO L189 CegarLoopUtils]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-12-23 01:53:00,064 INFO L189 CegarLoopUtils]: For program point L582(line 582) no Hoare annotation was computed. [2020-12-23 01:53:00,064 INFO L189 CegarLoopUtils]: For program point L549(line 549) no Hoare annotation was computed. [2020-12-23 01:53:00,064 INFO L189 CegarLoopUtils]: For program point L516(line 516) no Hoare annotation was computed. [2020-12-23 01:53:00,064 INFO L189 CegarLoopUtils]: For program point L483(line 483) no Hoare annotation was computed. [2020-12-23 01:53:00,064 INFO L189 CegarLoopUtils]: For program point L450(line 450) no Hoare annotation was computed. [2020-12-23 01:53:00,064 INFO L189 CegarLoopUtils]: For program point L417(line 417) no Hoare annotation was computed. [2020-12-23 01:53:00,064 INFO L189 CegarLoopUtils]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-12-23 01:53:00,065 INFO L185 CegarLoopUtils]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1))) (or (and (<= ~a16~0 4) .cse0) (and (not (= ~a8~0 13)) (not (= ~a7~0 1)) .cse0) (and (= ~a21~0 1) (= ~a12~0 8) (<= ~a7~0 0) (= ~a20~0 1) .cse0) (<= ~a17~0 0) (<= ~a21~0 0))) [2020-12-23 01:53:00,065 INFO L189 CegarLoopUtils]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,065 INFO L189 CegarLoopUtils]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,065 INFO L189 CegarLoopUtils]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,065 INFO L189 CegarLoopUtils]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,066 INFO L189 CegarLoopUtils]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,066 INFO L189 CegarLoopUtils]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-12-23 01:53:00,066 INFO L189 CegarLoopUtils]: For program point L552(line 552) no Hoare annotation was computed. [2020-12-23 01:53:00,066 INFO L189 CegarLoopUtils]: For program point L519(line 519) no Hoare annotation was computed. [2020-12-23 01:53:00,066 INFO L189 CegarLoopUtils]: For program point L486(line 486) no Hoare annotation was computed. [2020-12-23 01:53:00,066 INFO L189 CegarLoopUtils]: For program point L453(line 453) no Hoare annotation was computed. [2020-12-23 01:53:00,066 INFO L189 CegarLoopUtils]: For program point L420(line 420) no Hoare annotation was computed. [2020-12-23 01:53:00,066 INFO L189 CegarLoopUtils]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-12-23 01:53:00,066 INFO L189 CegarLoopUtils]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-12-23 01:53:00,067 INFO L189 CegarLoopUtils]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-12-23 01:53:00,067 INFO L189 CegarLoopUtils]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-12-23 01:53:00,067 INFO L189 CegarLoopUtils]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-12-23 01:53:00,067 INFO L189 CegarLoopUtils]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-12-23 01:53:00,067 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 01:53:00,067 INFO L189 CegarLoopUtils]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-12-23 01:53:00,067 INFO L192 CegarLoopUtils]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-12-23 01:53:00,067 INFO L189 CegarLoopUtils]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,067 INFO L189 CegarLoopUtils]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,067 INFO L189 CegarLoopUtils]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,068 INFO L189 CegarLoopUtils]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,068 INFO L189 CegarLoopUtils]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,068 INFO L189 CegarLoopUtils]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-12-23 01:53:00,068 INFO L189 CegarLoopUtils]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-12-23 01:53:00,068 INFO L189 CegarLoopUtils]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-12-23 01:53:00,068 INFO L189 CegarLoopUtils]: For program point L555(line 555) no Hoare annotation was computed. [2020-12-23 01:53:00,068 INFO L189 CegarLoopUtils]: For program point L522(line 522) no Hoare annotation was computed. [2020-12-23 01:53:00,068 INFO L189 CegarLoopUtils]: For program point L489(line 489) no Hoare annotation was computed. [2020-12-23 01:53:00,068 INFO L189 CegarLoopUtils]: For program point L456(line 456) no Hoare annotation was computed. [2020-12-23 01:53:00,068 INFO L189 CegarLoopUtils]: For program point L423(line 423) no Hoare annotation was computed. [2020-12-23 01:53:00,068 INFO L189 CegarLoopUtils]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-12-23 01:53:00,069 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 01:53:00,069 INFO L189 CegarLoopUtils]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,069 INFO L189 CegarLoopUtils]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,069 INFO L189 CegarLoopUtils]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,069 INFO L189 CegarLoopUtils]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,069 INFO L189 CegarLoopUtils]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-12-23 01:53:00,069 INFO L189 CegarLoopUtils]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,069 INFO L189 CegarLoopUtils]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-12-23 01:53:00,069 INFO L189 CegarLoopUtils]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-12-23 01:53:00,069 INFO L189 CegarLoopUtils]: For program point L558(line 558) no Hoare annotation was computed. [2020-12-23 01:53:00,069 INFO L189 CegarLoopUtils]: For program point L525(line 525) no Hoare annotation was computed. [2020-12-23 01:53:00,069 INFO L189 CegarLoopUtils]: For program point L492(line 492) no Hoare annotation was computed. [2020-12-23 01:53:00,070 INFO L189 CegarLoopUtils]: For program point L459(line 459) no Hoare annotation was computed. [2020-12-23 01:53:00,070 INFO L189 CegarLoopUtils]: For program point L426(line 426) no Hoare annotation was computed. [2020-12-23 01:53:00,070 INFO L189 CegarLoopUtils]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-12-23 01:53:00,070 INFO L189 CegarLoopUtils]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-12-23 01:53:00,070 INFO L189 CegarLoopUtils]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-12-23 01:53:00,070 INFO L189 CegarLoopUtils]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-12-23 01:53:00,070 INFO L189 CegarLoopUtils]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-12-23 01:53:00,070 INFO L189 CegarLoopUtils]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-12-23 01:53:00,070 INFO L189 CegarLoopUtils]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,071 INFO L185 CegarLoopUtils]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1))) (or (and (<= ~a16~0 4) .cse0) (and (not (= ~a8~0 13)) (not (= ~a7~0 1)) .cse0) (and (= ~a21~0 1) (= ~a12~0 8) (<= ~a7~0 0) (= ~a20~0 1) .cse0) (<= ~a17~0 0) (<= ~a21~0 0))) [2020-12-23 01:53:00,071 INFO L189 CegarLoopUtils]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,071 INFO L189 CegarLoopUtils]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,071 INFO L189 CegarLoopUtils]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,071 INFO L189 CegarLoopUtils]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,071 INFO L189 CegarLoopUtils]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-12-23 01:53:00,071 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 01:53:00,072 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 531) no Hoare annotation was computed. [2020-12-23 01:53:00,072 INFO L189 CegarLoopUtils]: For program point L561(line 561) no Hoare annotation was computed. [2020-12-23 01:53:00,072 INFO L189 CegarLoopUtils]: For program point L528(line 528) no Hoare annotation was computed. [2020-12-23 01:53:00,072 INFO L189 CegarLoopUtils]: For program point L495(line 495) no Hoare annotation was computed. [2020-12-23 01:53:00,072 INFO L189 CegarLoopUtils]: For program point L462(line 462) no Hoare annotation was computed. [2020-12-23 01:53:00,072 INFO L189 CegarLoopUtils]: For program point L429(line 429) no Hoare annotation was computed. [2020-12-23 01:53:00,072 INFO L189 CegarLoopUtils]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-12-23 01:53:00,072 INFO L189 CegarLoopUtils]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-12-23 01:53:00,072 INFO L189 CegarLoopUtils]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,072 INFO L189 CegarLoopUtils]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,073 INFO L189 CegarLoopUtils]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,073 INFO L189 CegarLoopUtils]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,073 INFO L189 CegarLoopUtils]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:53:00,073 INFO L189 CegarLoopUtils]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-12-23 01:53:00,073 INFO L189 CegarLoopUtils]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-12-23 01:53:00,073 INFO L189 CegarLoopUtils]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-12-23 01:53:00,073 INFO L189 CegarLoopUtils]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-12-23 01:53:00,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:53:00 BoogieIcfgContainer [2020-12-23 01:53:00,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 01:53:00,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 01:53:00,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 01:53:00,094 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 01:53:00,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:52:44" (3/4) ... [2020-12-23 01:53:00,098 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 01:53:00,119 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 01:53:00,120 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 01:53:00,121 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:53:00,122 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:53:00,284 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem01_label42.c-witness.graphml [2020-12-23 01:53:00,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 01:53:00,286 INFO L168 Benchmark]: Toolchain (without parser) took 17914.53 ms. Allocated memory was 168.8 MB in the beginning and 367.0 MB in the end (delta: 198.2 MB). Free memory was 142.1 MB in the beginning and 283.1 MB in the end (delta: -141.0 MB). Peak memory consumption was 58.4 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:00,286 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 168.8 MB. Free memory is still 140.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 01:53:00,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.31 ms. Allocated memory is still 168.8 MB. Free memory was 141.7 MB in the beginning and 148.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 33.7 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:00,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.80 ms. Allocated memory is still 168.8 MB. Free memory was 148.7 MB in the beginning and 142.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:00,288 INFO L168 Benchmark]: Boogie Preprocessor took 70.39 ms. Allocated memory is still 168.8 MB. Free memory was 142.7 MB in the beginning and 138.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:00,288 INFO L168 Benchmark]: RCFGBuilder took 1559.66 ms. Allocated memory was 168.8 MB in the beginning and 226.5 MB in the end (delta: 57.7 MB). Free memory was 138.5 MB in the beginning and 182.4 MB in the end (delta: -43.8 MB). Peak memory consumption was 90.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:00,289 INFO L168 Benchmark]: TraceAbstraction took 15207.30 ms. Allocated memory was 226.5 MB in the beginning and 367.0 MB in the end (delta: 140.5 MB). Free memory was 182.0 MB in the beginning and 297.8 MB in the end (delta: -115.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:00,289 INFO L168 Benchmark]: Witness Printer took 190.88 ms. Allocated memory is still 367.0 MB. Free memory was 297.8 MB in the beginning and 283.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:00,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 168.8 MB. Free memory is still 140.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 725.31 ms. Allocated memory is still 168.8 MB. Free memory was 141.7 MB in the beginning and 148.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 33.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 149.80 ms. Allocated memory is still 168.8 MB. Free memory was 148.7 MB in the beginning and 142.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 70.39 ms. Allocated memory is still 168.8 MB. Free memory was 142.7 MB in the beginning and 138.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1559.66 ms. Allocated memory was 168.8 MB in the beginning and 226.5 MB in the end (delta: 57.7 MB). Free memory was 138.5 MB in the beginning and 182.4 MB in the end (delta: -43.8 MB). Peak memory consumption was 90.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15207.30 ms. Allocated memory was 226.5 MB in the beginning and 367.0 MB in the end (delta: 140.5 MB). Free memory was 182.0 MB in the beginning and 297.8 MB in the end (delta: -115.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 8.0 GB. * Witness Printer took 190.88 ms. Allocated memory is still 367.0 MB. Free memory was 297.8 MB in the beginning and 283.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 531]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((a16 <= 4 && a17 == 1) || ((!(a8 == 13) && !(a7 == 1)) && a17 == 1)) || ((((a21 == 1 && a12 == 8) && a7 <= 0) && a20 == 1) && a17 == 1)) || a17 <= 0) || a21 <= 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((a16 <= 4 && a17 == 1) || ((!(a8 == 13) && !(a7 == 1)) && a17 == 1)) || ((((a21 == 1 && a12 == 8) && a7 <= 0) && a20 == 1) && a17 == 1)) || a17 <= 0) || a21 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.7s, OverallIterations: 8, TraceHistogramMax: 7, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 714 SDtfs, 1302 SDslu, 68 SDs, 0 SdLazy, 3478 SolverSat, 657 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 787 GetRequests, 765 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2362occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 786 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 50 NumberOfFragments, 85 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1006 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 98 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2034 NumberOfCodeBlocks, 2034 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2022 ConstructedInterpolants, 0 QuantifiedInterpolants, 1055384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1564 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 1151/1163 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...