/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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 04:28:59,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 04:28:59,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 04:28:59,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 04:28:59,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 04:28:59,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 04:28:59,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 04:28:59,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 04:28:59,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 04:28:59,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 04:28:59,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 04:28:59,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 04:28:59,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 04:28:59,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 04:28:59,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 04:28:59,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 04:28:59,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 04:28:59,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 04:28:59,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 04:28:59,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 04:28:59,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 04:28:59,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 04:28:59,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 04:28:59,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 04:28:59,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 04:28:59,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 04:28:59,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 04:28:59,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 04:28:59,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 04:28:59,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 04:28:59,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 04:28:59,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 04:28:59,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 04:28:59,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 04:28:59,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 04:28:59,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 04:28:59,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 04:28:59,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 04:28:59,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 04:28:59,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 04:28:59,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 04:28:59,998 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 04:29:00,061 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 04:29:00,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 04:29:00,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 04:29:00,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 04:29:00,066 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 04:29:00,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 04:29:00,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 04:29:00,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 04:29:00,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 04:29:00,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 04:29:00,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 04:29:00,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 04:29:00,071 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 04:29:00,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 04:29:00,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 04:29:00,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 04:29:00,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 04:29:00,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 04:29:00,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 04:29:00,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 04:29:00,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 04:29:00,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 04:29:00,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 04:29:00,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 04:29:00,074 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 04:29:00,075 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 04:29:00,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 04:29:00,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 04:29:00,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 04:29:00,614 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 04:29:00,615 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 04:29:00,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2020-12-22 04:29:00,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b09c3f952/87b454dd758b4d36a566bc49b3715a78/FLAGae455d779 [2020-12-22 04:29:01,485 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 04:29:01,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2020-12-22 04:29:01,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b09c3f952/87b454dd758b4d36a566bc49b3715a78/FLAGae455d779 [2020-12-22 04:29:01,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b09c3f952/87b454dd758b4d36a566bc49b3715a78 [2020-12-22 04:29:01,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 04:29:01,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 04:29:01,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 04:29:01,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 04:29:01,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 04:29:01,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:29:01" (1/1) ... [2020-12-22 04:29:01,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba7c0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:29:01, skipping insertion in model container [2020-12-22 04:29:01,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:29:01" (1/1) ... [2020-12-22 04:29:01,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 04:29:01,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 04:29:02,122 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2020-12-22 04:29:02,133 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2020-12-22 04:29:02,137 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2020-12-22 04:29:02,147 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2020-12-22 04:29:02,153 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2020-12-22 04:29:02,156 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2020-12-22 04:29:02,162 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2020-12-22 04:29:02,166 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2020-12-22 04:29:02,170 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2020-12-22 04:29:02,175 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2020-12-22 04:29:02,178 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2020-12-22 04:29:02,181 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2020-12-22 04:29:02,187 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2020-12-22 04:29:02,188 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2020-12-22 04:29:02,553 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2020-12-22 04:29:02,584 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2020-12-22 04:29:02,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 04:29:02,653 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 04:29:02,668 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2020-12-22 04:29:02,669 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2020-12-22 04:29:02,670 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2020-12-22 04:29:02,671 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2020-12-22 04:29:02,672 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2020-12-22 04:29:02,672 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2020-12-22 04:29:02,674 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2020-12-22 04:29:02,675 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2020-12-22 04:29:02,676 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2020-12-22 04:29:02,677 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2020-12-22 04:29:02,678 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2020-12-22 04:29:02,679 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2020-12-22 04:29:02,680 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2020-12-22 04:29:02,681 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2020-12-22 04:29:02,866 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2020-12-22 04:29:02,872 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2020-12-22 04:29:02,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 04:29:02,913 INFO L208 MainTranslator]: Completed translation [2020-12-22 04:29:02,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:29:02 WrapperNode [2020-12-22 04:29:02,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 04:29:02,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 04:29:02,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 04:29:02,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 04:29:02,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:29:02" (1/1) ... [2020-12-22 04:29:02,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:29:02" (1/1) ... [2020-12-22 04:29:03,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 04:29:03,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 04:29:03,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 04:29:03,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 04:29:03,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:29:02" (1/1) ... [2020-12-22 04:29:03,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:29:02" (1/1) ... [2020-12-22 04:29:03,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:29:02" (1/1) ... [2020-12-22 04:29:03,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:29:02" (1/1) ... [2020-12-22 04:29:03,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:29:02" (1/1) ... [2020-12-22 04:29:03,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:29:02" (1/1) ... [2020-12-22 04:29:03,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:29:02" (1/1) ... [2020-12-22 04:29:03,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 04:29:03,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 04:29:03,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 04:29:03,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 04:29:03,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:29:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 04:29:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 04:29:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 04:29:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 04:29:03,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 04:29:04,693 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 04:29:04,694 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-22 04:29:04,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:29:04 BoogieIcfgContainer [2020-12-22 04:29:04,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 04:29:04,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 04:29:04,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 04:29:04,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 04:29:04,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 04:29:01" (1/3) ... [2020-12-22 04:29:04,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152e6007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:29:04, skipping insertion in model container [2020-12-22 04:29:04,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:29:02" (2/3) ... [2020-12-22 04:29:04,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152e6007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:29:04, skipping insertion in model container [2020-12-22 04:29:04,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:29:04" (3/3) ... [2020-12-22 04:29:04,706 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2020-12-22 04:29:04,712 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 04:29:04,718 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-12-22 04:29:04,737 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-12-22 04:29:04,768 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 04:29:04,769 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 04:29:04,769 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 04:29:04,769 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 04:29:04,769 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 04:29:04,769 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 04:29:04,770 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 04:29:04,770 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 04:29:04,795 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-12-22 04:29:04,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-22 04:29:04,801 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:04,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:04,802 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:04,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:04,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1804934597, now seen corresponding path program 1 times [2020-12-22 04:29:04,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:04,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814261190] [2020-12-22 04:29:04,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:05,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814261190] [2020-12-22 04:29:05,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:05,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 04:29:05,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569180769] [2020-12-22 04:29:05,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 04:29:05,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:05,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 04:29:05,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 04:29:05,071 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 4 states. [2020-12-22 04:29:05,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:05,949 INFO L93 Difference]: Finished difference Result 315 states and 573 transitions. [2020-12-22 04:29:05,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 04:29:05,951 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-12-22 04:29:05,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:05,966 INFO L225 Difference]: With dead ends: 315 [2020-12-22 04:29:05,967 INFO L226 Difference]: Without dead ends: 298 [2020-12-22 04:29:05,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 04:29:05,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-12-22 04:29:06,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-12-22 04:29:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-12-22 04:29:06,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 421 transitions. [2020-12-22 04:29:06,032 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 421 transitions. Word has length 7 [2020-12-22 04:29:06,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:06,032 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 421 transitions. [2020-12-22 04:29:06,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 04:29:06,032 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 421 transitions. [2020-12-22 04:29:06,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-22 04:29:06,033 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:06,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:06,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 04:29:06,034 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:06,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:06,035 INFO L82 PathProgramCache]: Analyzing trace with hash 118401710, now seen corresponding path program 1 times [2020-12-22 04:29:06,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:06,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112689808] [2020-12-22 04:29:06,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:06,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112689808] [2020-12-22 04:29:06,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:06,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 04:29:06,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226819452] [2020-12-22 04:29:06,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 04:29:06,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:06,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 04:29:06,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 04:29:06,131 INFO L87 Difference]: Start difference. First operand 298 states and 421 transitions. Second operand 5 states. [2020-12-22 04:29:06,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:06,611 INFO L93 Difference]: Finished difference Result 305 states and 428 transitions. [2020-12-22 04:29:06,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 04:29:06,612 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-12-22 04:29:06,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:06,615 INFO L225 Difference]: With dead ends: 305 [2020-12-22 04:29:06,615 INFO L226 Difference]: Without dead ends: 300 [2020-12-22 04:29:06,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-22 04:29:06,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-12-22 04:29:06,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 293. [2020-12-22 04:29:06,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-12-22 04:29:06,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 356 transitions. [2020-12-22 04:29:06,637 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 356 transitions. Word has length 8 [2020-12-22 04:29:06,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:06,637 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 356 transitions. [2020-12-22 04:29:06,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 04:29:06,638 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 356 transitions. [2020-12-22 04:29:06,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-22 04:29:06,638 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:06,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:06,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 04:29:06,639 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:06,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:06,640 INFO L82 PathProgramCache]: Analyzing trace with hash 137513629, now seen corresponding path program 1 times [2020-12-22 04:29:06,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:06,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260513912] [2020-12-22 04:29:06,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:06,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260513912] [2020-12-22 04:29:06,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:06,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 04:29:06,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135589620] [2020-12-22 04:29:06,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 04:29:06,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:06,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 04:29:06,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 04:29:06,691 INFO L87 Difference]: Start difference. First operand 293 states and 356 transitions. Second operand 4 states. [2020-12-22 04:29:07,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:07,201 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2020-12-22 04:29:07,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 04:29:07,202 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-12-22 04:29:07,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:07,204 INFO L225 Difference]: With dead ends: 293 [2020-12-22 04:29:07,204 INFO L226 Difference]: Without dead ends: 291 [2020-12-22 04:29:07,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 04:29:07,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-12-22 04:29:07,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2020-12-22 04:29:07,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-12-22 04:29:07,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 354 transitions. [2020-12-22 04:29:07,221 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 354 transitions. Word has length 8 [2020-12-22 04:29:07,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:07,221 INFO L481 AbstractCegarLoop]: Abstraction has 291 states and 354 transitions. [2020-12-22 04:29:07,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 04:29:07,222 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 354 transitions. [2020-12-22 04:29:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 04:29:07,222 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:07,222 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:07,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 04:29:07,223 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:07,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:07,224 INFO L82 PathProgramCache]: Analyzing trace with hash -32040723, now seen corresponding path program 1 times [2020-12-22 04:29:07,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:07,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424190246] [2020-12-22 04:29:07,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:07,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:07,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424190246] [2020-12-22 04:29:07,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:07,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 04:29:07,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551778779] [2020-12-22 04:29:07,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 04:29:07,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:07,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 04:29:07,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 04:29:07,282 INFO L87 Difference]: Start difference. First operand 291 states and 354 transitions. Second operand 4 states. [2020-12-22 04:29:07,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:07,678 INFO L93 Difference]: Finished difference Result 296 states and 359 transitions. [2020-12-22 04:29:07,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 04:29:07,679 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-12-22 04:29:07,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:07,682 INFO L225 Difference]: With dead ends: 296 [2020-12-22 04:29:07,682 INFO L226 Difference]: Without dead ends: 294 [2020-12-22 04:29:07,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 04:29:07,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-12-22 04:29:07,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-12-22 04:29:07,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-12-22 04:29:07,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 357 transitions. [2020-12-22 04:29:07,694 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 357 transitions. Word has length 9 [2020-12-22 04:29:07,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:07,695 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 357 transitions. [2020-12-22 04:29:07,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 04:29:07,695 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 357 transitions. [2020-12-22 04:29:07,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-22 04:29:07,696 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:07,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:07,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 04:29:07,696 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:07,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:07,697 INFO L82 PathProgramCache]: Analyzing trace with hash -726236111, now seen corresponding path program 1 times [2020-12-22 04:29:07,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:07,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995416509] [2020-12-22 04:29:07,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:07,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:07,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995416509] [2020-12-22 04:29:07,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:07,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 04:29:07,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138690927] [2020-12-22 04:29:07,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 04:29:07,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:07,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 04:29:07,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 04:29:07,754 INFO L87 Difference]: Start difference. First operand 294 states and 357 transitions. Second operand 5 states. [2020-12-22 04:29:08,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:08,450 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2020-12-22 04:29:08,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 04:29:08,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-22 04:29:08,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:08,453 INFO L225 Difference]: With dead ends: 294 [2020-12-22 04:29:08,453 INFO L226 Difference]: Without dead ends: 292 [2020-12-22 04:29:08,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 04:29:08,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-12-22 04:29:08,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2020-12-22 04:29:08,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-12-22 04:29:08,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 355 transitions. [2020-12-22 04:29:08,463 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 355 transitions. Word has length 11 [2020-12-22 04:29:08,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:08,464 INFO L481 AbstractCegarLoop]: Abstraction has 292 states and 355 transitions. [2020-12-22 04:29:08,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 04:29:08,464 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 355 transitions. [2020-12-22 04:29:08,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-22 04:29:08,465 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:08,465 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:08,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 04:29:08,465 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:08,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:08,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1038478869, now seen corresponding path program 1 times [2020-12-22 04:29:08,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:08,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540044184] [2020-12-22 04:29:08,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:08,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540044184] [2020-12-22 04:29:08,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:08,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 04:29:08,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660214538] [2020-12-22 04:29:08,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 04:29:08,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:08,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 04:29:08,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 04:29:08,516 INFO L87 Difference]: Start difference. First operand 292 states and 355 transitions. Second operand 4 states. [2020-12-22 04:29:08,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:08,888 INFO L93 Difference]: Finished difference Result 292 states and 355 transitions. [2020-12-22 04:29:08,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 04:29:08,889 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-12-22 04:29:08,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:08,891 INFO L225 Difference]: With dead ends: 292 [2020-12-22 04:29:08,891 INFO L226 Difference]: Without dead ends: 288 [2020-12-22 04:29:08,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 04:29:08,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-12-22 04:29:08,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2020-12-22 04:29:08,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-12-22 04:29:08,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2020-12-22 04:29:08,902 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 12 [2020-12-22 04:29:08,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:08,902 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2020-12-22 04:29:08,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 04:29:08,902 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2020-12-22 04:29:08,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 04:29:08,903 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:08,903 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:08,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 04:29:08,904 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:08,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:08,905 INFO L82 PathProgramCache]: Analyzing trace with hash -242777879, now seen corresponding path program 1 times [2020-12-22 04:29:08,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:08,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304806720] [2020-12-22 04:29:08,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:09,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:09,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304806720] [2020-12-22 04:29:09,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:09,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 04:29:09,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719795247] [2020-12-22 04:29:09,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 04:29:09,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:09,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 04:29:09,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 04:29:09,090 INFO L87 Difference]: Start difference. First operand 288 states and 351 transitions. Second operand 6 states. [2020-12-22 04:29:09,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:09,621 INFO L93 Difference]: Finished difference Result 316 states and 381 transitions. [2020-12-22 04:29:09,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 04:29:09,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-12-22 04:29:09,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:09,624 INFO L225 Difference]: With dead ends: 316 [2020-12-22 04:29:09,624 INFO L226 Difference]: Without dead ends: 314 [2020-12-22 04:29:09,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 04:29:09,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-12-22 04:29:09,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 288. [2020-12-22 04:29:09,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-12-22 04:29:09,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2020-12-22 04:29:09,635 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 13 [2020-12-22 04:29:09,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:09,635 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2020-12-22 04:29:09,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 04:29:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2020-12-22 04:29:09,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 04:29:09,636 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:09,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:09,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 04:29:09,637 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:09,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:09,637 INFO L82 PathProgramCache]: Analyzing trace with hash -2112927996, now seen corresponding path program 1 times [2020-12-22 04:29:09,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:09,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382214019] [2020-12-22 04:29:09,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:09,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382214019] [2020-12-22 04:29:09,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:09,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 04:29:09,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735295410] [2020-12-22 04:29:09,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 04:29:09,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:09,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 04:29:09,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 04:29:09,684 INFO L87 Difference]: Start difference. First operand 288 states and 351 transitions. Second operand 5 states. [2020-12-22 04:29:10,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:10,360 INFO L93 Difference]: Finished difference Result 308 states and 373 transitions. [2020-12-22 04:29:10,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 04:29:10,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-22 04:29:10,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:10,362 INFO L225 Difference]: With dead ends: 308 [2020-12-22 04:29:10,363 INFO L226 Difference]: Without dead ends: 306 [2020-12-22 04:29:10,363 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 04:29:10,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-12-22 04:29:10,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 286. [2020-12-22 04:29:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-12-22 04:29:10,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 349 transitions. [2020-12-22 04:29:10,372 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 349 transitions. Word has length 13 [2020-12-22 04:29:10,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:10,373 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 349 transitions. [2020-12-22 04:29:10,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 04:29:10,373 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 349 transitions. [2020-12-22 04:29:10,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 04:29:10,374 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:10,374 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:10,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 04:29:10,374 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:10,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:10,375 INFO L82 PathProgramCache]: Analyzing trace with hash -2111204092, now seen corresponding path program 1 times [2020-12-22 04:29:10,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:10,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104492124] [2020-12-22 04:29:10,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:10,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104492124] [2020-12-22 04:29:10,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:10,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 04:29:10,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854101889] [2020-12-22 04:29:10,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 04:29:10,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:10,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 04:29:10,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 04:29:10,423 INFO L87 Difference]: Start difference. First operand 286 states and 349 transitions. Second operand 5 states. [2020-12-22 04:29:11,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:11,034 INFO L93 Difference]: Finished difference Result 289 states and 352 transitions. [2020-12-22 04:29:11,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 04:29:11,035 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-22 04:29:11,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:11,037 INFO L225 Difference]: With dead ends: 289 [2020-12-22 04:29:11,037 INFO L226 Difference]: Without dead ends: 287 [2020-12-22 04:29:11,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 04:29:11,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-12-22 04:29:11,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 284. [2020-12-22 04:29:11,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-12-22 04:29:11,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 347 transitions. [2020-12-22 04:29:11,047 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 347 transitions. Word has length 13 [2020-12-22 04:29:11,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:11,047 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 347 transitions. [2020-12-22 04:29:11,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 04:29:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 347 transitions. [2020-12-22 04:29:11,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-22 04:29:11,049 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:11,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:11,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 04:29:11,049 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:11,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:11,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1076254322, now seen corresponding path program 1 times [2020-12-22 04:29:11,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:11,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330136519] [2020-12-22 04:29:11,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:11,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:11,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330136519] [2020-12-22 04:29:11,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:11,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 04:29:11,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320054698] [2020-12-22 04:29:11,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 04:29:11,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:11,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 04:29:11,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 04:29:11,152 INFO L87 Difference]: Start difference. First operand 284 states and 347 transitions. Second operand 6 states. [2020-12-22 04:29:11,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:11,671 INFO L93 Difference]: Finished difference Result 322 states and 389 transitions. [2020-12-22 04:29:11,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 04:29:11,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-12-22 04:29:11,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:11,673 INFO L225 Difference]: With dead ends: 322 [2020-12-22 04:29:11,673 INFO L226 Difference]: Without dead ends: 320 [2020-12-22 04:29:11,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 04:29:11,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-12-22 04:29:11,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 292. [2020-12-22 04:29:11,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-12-22 04:29:11,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2020-12-22 04:29:11,684 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 14 [2020-12-22 04:29:11,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:11,684 INFO L481 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2020-12-22 04:29:11,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 04:29:11,684 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2020-12-22 04:29:11,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-22 04:29:11,685 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:11,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:11,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 04:29:11,685 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:11,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:11,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1074707177, now seen corresponding path program 1 times [2020-12-22 04:29:11,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:11,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012839785] [2020-12-22 04:29:11,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:11,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:11,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012839785] [2020-12-22 04:29:11,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:11,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 04:29:11,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688840185] [2020-12-22 04:29:11,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 04:29:11,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:11,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 04:29:11,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 04:29:11,730 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand 5 states. [2020-12-22 04:29:12,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:12,365 INFO L93 Difference]: Finished difference Result 312 states and 379 transitions. [2020-12-22 04:29:12,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 04:29:12,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-12-22 04:29:12,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:12,368 INFO L225 Difference]: With dead ends: 312 [2020-12-22 04:29:12,368 INFO L226 Difference]: Without dead ends: 310 [2020-12-22 04:29:12,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 04:29:12,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-12-22 04:29:12,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 290. [2020-12-22 04:29:12,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-12-22 04:29:12,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 355 transitions. [2020-12-22 04:29:12,377 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 355 transitions. Word has length 14 [2020-12-22 04:29:12,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:12,377 INFO L481 AbstractCegarLoop]: Abstraction has 290 states and 355 transitions. [2020-12-22 04:29:12,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 04:29:12,378 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 355 transitions. [2020-12-22 04:29:12,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-22 04:29:12,378 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:12,378 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:12,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 04:29:12,379 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:12,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:12,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1022813242, now seen corresponding path program 1 times [2020-12-22 04:29:12,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:12,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622666881] [2020-12-22 04:29:12,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:12,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:12,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622666881] [2020-12-22 04:29:12,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:12,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 04:29:12,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341285978] [2020-12-22 04:29:12,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 04:29:12,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:12,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 04:29:12,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 04:29:12,477 INFO L87 Difference]: Start difference. First operand 290 states and 355 transitions. Second operand 6 states. [2020-12-22 04:29:13,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:13,119 INFO L93 Difference]: Finished difference Result 300 states and 365 transitions. [2020-12-22 04:29:13,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 04:29:13,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-12-22 04:29:13,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:13,126 INFO L225 Difference]: With dead ends: 300 [2020-12-22 04:29:13,126 INFO L226 Difference]: Without dead ends: 296 [2020-12-22 04:29:13,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 04:29:13,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-12-22 04:29:13,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 291. [2020-12-22 04:29:13,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-12-22 04:29:13,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 356 transitions. [2020-12-22 04:29:13,136 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 356 transitions. Word has length 14 [2020-12-22 04:29:13,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:13,137 INFO L481 AbstractCegarLoop]: Abstraction has 291 states and 356 transitions. [2020-12-22 04:29:13,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 04:29:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 356 transitions. [2020-12-22 04:29:13,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 04:29:13,138 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:13,138 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:13,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 04:29:13,139 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:13,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:13,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1043820030, now seen corresponding path program 1 times [2020-12-22 04:29:13,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:13,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182283382] [2020-12-22 04:29:13,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:13,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182283382] [2020-12-22 04:29:13,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:13,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 04:29:13,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911316652] [2020-12-22 04:29:13,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 04:29:13,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:13,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 04:29:13,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 04:29:13,241 INFO L87 Difference]: Start difference. First operand 291 states and 356 transitions. Second operand 6 states. [2020-12-22 04:29:13,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:13,892 INFO L93 Difference]: Finished difference Result 317 states and 384 transitions. [2020-12-22 04:29:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 04:29:13,893 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-12-22 04:29:13,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:13,895 INFO L225 Difference]: With dead ends: 317 [2020-12-22 04:29:13,895 INFO L226 Difference]: Without dead ends: 315 [2020-12-22 04:29:13,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 04:29:13,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-12-22 04:29:13,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 294. [2020-12-22 04:29:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-12-22 04:29:13,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 359 transitions. [2020-12-22 04:29:13,905 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 359 transitions. Word has length 15 [2020-12-22 04:29:13,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:13,905 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 359 transitions. [2020-12-22 04:29:13,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 04:29:13,906 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 359 transitions. [2020-12-22 04:29:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 04:29:13,906 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:13,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:13,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 04:29:13,907 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:13,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:13,907 INFO L82 PathProgramCache]: Analyzing trace with hash 806842801, now seen corresponding path program 1 times [2020-12-22 04:29:13,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:13,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542761412] [2020-12-22 04:29:13,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:13,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:13,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542761412] [2020-12-22 04:29:13,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:13,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 04:29:13,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193774042] [2020-12-22 04:29:13,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 04:29:13,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:13,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 04:29:13,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 04:29:13,956 INFO L87 Difference]: Start difference. First operand 294 states and 359 transitions. Second operand 4 states. [2020-12-22 04:29:14,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:14,218 INFO L93 Difference]: Finished difference Result 294 states and 359 transitions. [2020-12-22 04:29:14,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 04:29:14,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-12-22 04:29:14,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:14,221 INFO L225 Difference]: With dead ends: 294 [2020-12-22 04:29:14,221 INFO L226 Difference]: Without dead ends: 292 [2020-12-22 04:29:14,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 04:29:14,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-12-22 04:29:14,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2020-12-22 04:29:14,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-12-22 04:29:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2020-12-22 04:29:14,231 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 16 [2020-12-22 04:29:14,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:14,231 INFO L481 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2020-12-22 04:29:14,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 04:29:14,232 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2020-12-22 04:29:14,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 04:29:14,232 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:14,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:14,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 04:29:14,233 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:14,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:14,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1029635725, now seen corresponding path program 1 times [2020-12-22 04:29:14,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:14,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115817622] [2020-12-22 04:29:14,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:14,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115817622] [2020-12-22 04:29:14,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:14,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 04:29:14,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534951546] [2020-12-22 04:29:14,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 04:29:14,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:14,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 04:29:14,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 04:29:14,314 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand 6 states. [2020-12-22 04:29:14,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:14,937 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2020-12-22 04:29:14,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 04:29:14,937 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-12-22 04:29:14,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:14,939 INFO L225 Difference]: With dead ends: 292 [2020-12-22 04:29:14,939 INFO L226 Difference]: Without dead ends: 290 [2020-12-22 04:29:14,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 04:29:14,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-12-22 04:29:14,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 287. [2020-12-22 04:29:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-12-22 04:29:14,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 352 transitions. [2020-12-22 04:29:14,949 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 352 transitions. Word has length 17 [2020-12-22 04:29:14,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:14,949 INFO L481 AbstractCegarLoop]: Abstraction has 287 states and 352 transitions. [2020-12-22 04:29:14,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 04:29:14,949 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 352 transitions. [2020-12-22 04:29:14,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 04:29:14,950 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:14,950 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:14,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 04:29:14,950 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:14,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:14,951 INFO L82 PathProgramCache]: Analyzing trace with hash -757672814, now seen corresponding path program 1 times [2020-12-22 04:29:14,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:14,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316630683] [2020-12-22 04:29:14,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:14,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316630683] [2020-12-22 04:29:14,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:14,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 04:29:14,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252175669] [2020-12-22 04:29:14,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 04:29:14,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:14,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 04:29:14,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 04:29:14,985 INFO L87 Difference]: Start difference. First operand 287 states and 352 transitions. Second operand 4 states. [2020-12-22 04:29:15,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:15,332 INFO L93 Difference]: Finished difference Result 287 states and 352 transitions. [2020-12-22 04:29:15,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 04:29:15,332 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-12-22 04:29:15,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:15,334 INFO L225 Difference]: With dead ends: 287 [2020-12-22 04:29:15,335 INFO L226 Difference]: Without dead ends: 283 [2020-12-22 04:29:15,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 04:29:15,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-12-22 04:29:15,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2020-12-22 04:29:15,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-12-22 04:29:15,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 348 transitions. [2020-12-22 04:29:15,345 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 348 transitions. Word has length 17 [2020-12-22 04:29:15,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:15,345 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 348 transitions. [2020-12-22 04:29:15,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 04:29:15,346 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 348 transitions. [2020-12-22 04:29:15,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 04:29:15,346 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:15,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:15,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 04:29:15,347 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:15,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:15,348 INFO L82 PathProgramCache]: Analyzing trace with hash -476651758, now seen corresponding path program 1 times [2020-12-22 04:29:15,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:15,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077894349] [2020-12-22 04:29:15,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:15,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:15,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077894349] [2020-12-22 04:29:15,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:15,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 04:29:15,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541411977] [2020-12-22 04:29:15,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 04:29:15,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:15,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 04:29:15,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 04:29:15,406 INFO L87 Difference]: Start difference. First operand 283 states and 348 transitions. Second operand 6 states. [2020-12-22 04:29:16,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:16,154 INFO L93 Difference]: Finished difference Result 297 states and 364 transitions. [2020-12-22 04:29:16,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 04:29:16,154 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-12-22 04:29:16,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:16,157 INFO L225 Difference]: With dead ends: 297 [2020-12-22 04:29:16,158 INFO L226 Difference]: Without dead ends: 295 [2020-12-22 04:29:16,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 04:29:16,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-12-22 04:29:16,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 279. [2020-12-22 04:29:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2020-12-22 04:29:16,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 344 transitions. [2020-12-22 04:29:16,168 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 344 transitions. Word has length 18 [2020-12-22 04:29:16,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:16,168 INFO L481 AbstractCegarLoop]: Abstraction has 279 states and 344 transitions. [2020-12-22 04:29:16,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 04:29:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 344 transitions. [2020-12-22 04:29:16,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 04:29:16,169 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:16,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:16,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-22 04:29:16,169 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:16,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:16,170 INFO L82 PathProgramCache]: Analyzing trace with hash -423210678, now seen corresponding path program 1 times [2020-12-22 04:29:16,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:16,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010272892] [2020-12-22 04:29:16,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:16,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:16,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010272892] [2020-12-22 04:29:16,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:16,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 04:29:16,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759298575] [2020-12-22 04:29:16,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 04:29:16,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:16,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 04:29:16,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 04:29:16,222 INFO L87 Difference]: Start difference. First operand 279 states and 344 transitions. Second operand 6 states. [2020-12-22 04:29:16,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:16,908 INFO L93 Difference]: Finished difference Result 279 states and 344 transitions. [2020-12-22 04:29:16,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 04:29:16,909 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-12-22 04:29:16,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:16,911 INFO L225 Difference]: With dead ends: 279 [2020-12-22 04:29:16,911 INFO L226 Difference]: Without dead ends: 275 [2020-12-22 04:29:16,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 04:29:16,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-12-22 04:29:16,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2020-12-22 04:29:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2020-12-22 04:29:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 340 transitions. [2020-12-22 04:29:16,920 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 340 transitions. Word has length 18 [2020-12-22 04:29:16,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:16,920 INFO L481 AbstractCegarLoop]: Abstraction has 275 states and 340 transitions. [2020-12-22 04:29:16,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 04:29:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 340 transitions. [2020-12-22 04:29:16,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 04:29:16,921 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:16,921 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:16,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-22 04:29:16,921 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:16,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:16,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1997901656, now seen corresponding path program 1 times [2020-12-22 04:29:16,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:16,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104149022] [2020-12-22 04:29:16,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:16,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:16,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104149022] [2020-12-22 04:29:16,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:16,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 04:29:16,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117520460] [2020-12-22 04:29:16,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 04:29:16,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:16,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 04:29:16,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 04:29:16,973 INFO L87 Difference]: Start difference. First operand 275 states and 340 transitions. Second operand 6 states. [2020-12-22 04:29:17,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:17,703 INFO L93 Difference]: Finished difference Result 284 states and 351 transitions. [2020-12-22 04:29:17,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 04:29:17,704 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-12-22 04:29:17,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:17,706 INFO L225 Difference]: With dead ends: 284 [2020-12-22 04:29:17,706 INFO L226 Difference]: Without dead ends: 250 [2020-12-22 04:29:17,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 04:29:17,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-12-22 04:29:17,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2020-12-22 04:29:17,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-12-22 04:29:17,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 250 transitions. [2020-12-22 04:29:17,713 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 250 transitions. Word has length 18 [2020-12-22 04:29:17,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:17,713 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 250 transitions. [2020-12-22 04:29:17,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 04:29:17,713 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 250 transitions. [2020-12-22 04:29:17,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-12-22 04:29:17,718 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:17,718 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:17,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-22 04:29:17,719 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:17,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:17,719 INFO L82 PathProgramCache]: Analyzing trace with hash -707619029, now seen corresponding path program 1 times [2020-12-22 04:29:17,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:17,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114722448] [2020-12-22 04:29:17,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:20,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:20,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114722448] [2020-12-22 04:29:20,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:20,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2020-12-22 04:29:20,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065055870] [2020-12-22 04:29:20,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 63 states [2020-12-22 04:29:20,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:20,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2020-12-22 04:29:20,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1834, Invalid=2072, Unknown=0, NotChecked=0, Total=3906 [2020-12-22 04:29:20,606 INFO L87 Difference]: Start difference. First operand 250 states and 250 transitions. Second operand 63 states. [2020-12-22 04:29:22,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:22,165 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2020-12-22 04:29:22,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-12-22 04:29:22,165 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 244 [2020-12-22 04:29:22,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:22,167 INFO L225 Difference]: With dead ends: 251 [2020-12-22 04:29:22,167 INFO L226 Difference]: Without dead ends: 249 [2020-12-22 04:29:22,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1896, Invalid=2136, Unknown=0, NotChecked=0, Total=4032 [2020-12-22 04:29:22,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-12-22 04:29:22,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 248. [2020-12-22 04:29:22,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2020-12-22 04:29:22,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 248 transitions. [2020-12-22 04:29:22,174 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 248 transitions. Word has length 244 [2020-12-22 04:29:22,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:22,175 INFO L481 AbstractCegarLoop]: Abstraction has 248 states and 248 transitions. [2020-12-22 04:29:22,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 63 states. [2020-12-22 04:29:22,175 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 248 transitions. [2020-12-22 04:29:22,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-12-22 04:29:22,179 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:29:22,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:29:22,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-22 04:29:22,180 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:29:22,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:29:22,181 INFO L82 PathProgramCache]: Analyzing trace with hash -461348049, now seen corresponding path program 1 times [2020-12-22 04:29:22,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:29:22,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792307841] [2020-12-22 04:29:22,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:29:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:29:23,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:29:23,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792307841] [2020-12-22 04:29:23,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:29:23,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 04:29:23,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290594568] [2020-12-22 04:29:23,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 04:29:23,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:29:23,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 04:29:23,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 04:29:23,254 INFO L87 Difference]: Start difference. First operand 248 states and 248 transitions. Second operand 7 states. [2020-12-22 04:29:23,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:29:23,872 INFO L93 Difference]: Finished difference Result 250 states and 250 transitions. [2020-12-22 04:29:23,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 04:29:23,872 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 245 [2020-12-22 04:29:23,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:29:23,873 INFO L225 Difference]: With dead ends: 250 [2020-12-22 04:29:23,873 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 04:29:23,878 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 04:29:23,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 04:29:23,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 04:29:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 04:29:23,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 04:29:23,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2020-12-22 04:29:23,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:29:23,879 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 04:29:23,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 04:29:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 04:29:23,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 04:29:23,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-22 04:29:23,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 04:29:24,164 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 15 [2020-12-22 04:29:24,227 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2020-12-22 04:29:24,227 INFO L189 CegarLoopUtils]: For program point L1555(lines 1555 2805) no Hoare annotation was computed. [2020-12-22 04:29:24,227 INFO L189 CegarLoopUtils]: For program point L2546(lines 2546 2653) no Hoare annotation was computed. [2020-12-22 04:29:24,227 INFO L189 CegarLoopUtils]: For program point L2480(lines 2480 2663) no Hoare annotation was computed. [2020-12-22 04:29:24,227 INFO L189 CegarLoopUtils]: For program point L432(lines 432 2978) no Hoare annotation was computed. [2020-12-22 04:29:24,227 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 255) no Hoare annotation was computed. [2020-12-22 04:29:24,228 INFO L189 CegarLoopUtils]: For program point L697(lines 697 2937) no Hoare annotation was computed. [2020-12-22 04:29:24,228 INFO L189 CegarLoopUtils]: For program point L1688(lines 1688 2785) no Hoare annotation was computed. [2020-12-22 04:29:24,228 INFO L189 CegarLoopUtils]: For program point L1622(lines 1622 2795) no Hoare annotation was computed. [2020-12-22 04:29:24,228 INFO L189 CegarLoopUtils]: For program point L103(lines 103 125) no Hoare annotation was computed. [2020-12-22 04:29:24,228 INFO L189 CegarLoopUtils]: For program point L1953(lines 1953 2744) no Hoare annotation was computed. [2020-12-22 04:29:24,228 INFO L189 CegarLoopUtils]: For program point L830(lines 830 2917) no Hoare annotation was computed. [2020-12-22 04:29:24,228 INFO L189 CegarLoopUtils]: For program point L764(lines 764 2927) no Hoare annotation was computed. [2020-12-22 04:29:24,228 INFO L189 CegarLoopUtils]: For program point L2614(lines 2614 2643) no Hoare annotation was computed. [2020-12-22 04:29:24,228 INFO L189 CegarLoopUtils]: For program point L2218(lines 2218 2703) no Hoare annotation was computed. [2020-12-22 04:29:24,228 INFO L189 CegarLoopUtils]: For program point L1095(lines 1095 2876) no Hoare annotation was computed. [2020-12-22 04:29:24,228 INFO L189 CegarLoopUtils]: For program point L1360(lines 1360 2835) no Hoare annotation was computed. [2020-12-22 04:29:24,229 INFO L189 CegarLoopUtils]: For program point L2351(lines 2351 2683) no Hoare annotation was computed. [2020-12-22 04:29:24,229 INFO L189 CegarLoopUtils]: For program point L2285(lines 2285 2693) no Hoare annotation was computed. [2020-12-22 04:29:24,229 INFO L189 CegarLoopUtils]: For program point L171(lines 171 193) no Hoare annotation was computed. [2020-12-22 04:29:24,229 INFO L189 CegarLoopUtils]: For program point L105(line 105) no Hoare annotation was computed. [2020-12-22 04:29:24,229 INFO L189 CegarLoopUtils]: For program point L2616(line 2616) no Hoare annotation was computed. [2020-12-22 04:29:24,229 INFO L189 CegarLoopUtils]: For program point L502(lines 502 2967) no Hoare annotation was computed. [2020-12-22 04:29:24,229 INFO L189 CegarLoopUtils]: For program point L1493(lines 1493 2815) no Hoare annotation was computed. [2020-12-22 04:29:24,229 INFO L189 CegarLoopUtils]: For program point L1427(lines 1427 2825) no Hoare annotation was computed. [2020-12-22 04:29:24,229 INFO L189 CegarLoopUtils]: For program point L1758(lines 1758 2774) no Hoare annotation was computed. [2020-12-22 04:29:24,229 INFO L189 CegarLoopUtils]: For program point L635(lines 635 2947) no Hoare annotation was computed. [2020-12-22 04:29:24,229 INFO L189 CegarLoopUtils]: For program point L569(lines 569 2957) no Hoare annotation was computed. [2020-12-22 04:29:24,230 INFO L192 CegarLoopUtils]: At program point L2617(lines 16 3008) the Hoare annotation is: true [2020-12-22 04:29:24,230 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-22 04:29:24,230 INFO L189 CegarLoopUtils]: For program point L2023(lines 2023 2733) no Hoare annotation was computed. [2020-12-22 04:29:24,230 INFO L189 CegarLoopUtils]: For program point L900(lines 900 2906) no Hoare annotation was computed. [2020-12-22 04:29:24,230 INFO L189 CegarLoopUtils]: For program point L1165(lines 1165 2865) no Hoare annotation was computed. [2020-12-22 04:29:24,230 INFO L189 CegarLoopUtils]: For program point L2156(lines 2156 2713) no Hoare annotation was computed. [2020-12-22 04:29:24,230 INFO L189 CegarLoopUtils]: For program point L2090(lines 2090 2723) no Hoare annotation was computed. [2020-12-22 04:29:24,230 INFO L189 CegarLoopUtils]: For program point L2421(lines 2421 2672) no Hoare annotation was computed. [2020-12-22 04:29:24,230 INFO L189 CegarLoopUtils]: For program point L307(lines 307 2997) no Hoare annotation was computed. [2020-12-22 04:29:24,231 INFO L189 CegarLoopUtils]: For program point L1298(lines 1298 2845) no Hoare annotation was computed. [2020-12-22 04:29:24,231 INFO L189 CegarLoopUtils]: For program point L1232(lines 1232 2855) no Hoare annotation was computed. [2020-12-22 04:29:24,231 INFO L189 CegarLoopUtils]: For program point L1563(lines 1563 2804) no Hoare annotation was computed. [2020-12-22 04:29:24,231 INFO L189 CegarLoopUtils]: For program point L440(lines 440 2977) no Hoare annotation was computed. [2020-12-22 04:29:24,231 INFO L189 CegarLoopUtils]: For program point L374(lines 374 2987) no Hoare annotation was computed. [2020-12-22 04:29:24,231 INFO L189 CegarLoopUtils]: For program point L1828(lines 1828 2763) no Hoare annotation was computed. [2020-12-22 04:29:24,231 INFO L189 CegarLoopUtils]: For program point L705(lines 705 2936) no Hoare annotation was computed. [2020-12-22 04:29:24,231 INFO L189 CegarLoopUtils]: For program point L45(lines 45 55) no Hoare annotation was computed. [2020-12-22 04:29:24,231 INFO L189 CegarLoopUtils]: For program point L970(lines 970 2895) no Hoare annotation was computed. [2020-12-22 04:29:24,232 INFO L189 CegarLoopUtils]: For program point L1961(lines 1961 2743) no Hoare annotation was computed. [2020-12-22 04:29:24,232 INFO L189 CegarLoopUtils]: For program point L1895(lines 1895 2753) no Hoare annotation was computed. [2020-12-22 04:29:24,232 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2020-12-22 04:29:24,232 INFO L189 CegarLoopUtils]: For program point L2226(lines 2226 2702) no Hoare annotation was computed. [2020-12-22 04:29:24,232 INFO L189 CegarLoopUtils]: For program point L1103(lines 1103 2875) no Hoare annotation was computed. [2020-12-22 04:29:24,232 INFO L189 CegarLoopUtils]: For program point L1037(lines 1037 2885) no Hoare annotation was computed. [2020-12-22 04:29:24,232 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 2604) no Hoare annotation was computed. [2020-12-22 04:29:24,232 INFO L189 CegarLoopUtils]: For program point L2623(lines 2623 2642) no Hoare annotation was computed. [2020-12-22 04:29:24,232 INFO L189 CegarLoopUtils]: For program point L2491(lines 2491 2661) no Hoare annotation was computed. [2020-12-22 04:29:24,233 INFO L189 CegarLoopUtils]: For program point L1368(lines 1368 2834) no Hoare annotation was computed. [2020-12-22 04:29:24,233 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-22 04:29:24,233 INFO L189 CegarLoopUtils]: For program point L1633(lines 1633 2793) no Hoare annotation was computed. [2020-12-22 04:29:24,233 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 117) no Hoare annotation was computed. [2020-12-22 04:29:24,233 INFO L189 CegarLoopUtils]: For program point L2558(lines 2558 2651) no Hoare annotation was computed. [2020-12-22 04:29:24,233 INFO L189 CegarLoopUtils]: For program point L510(lines 510 2966) no Hoare annotation was computed. [2020-12-22 04:29:24,233 INFO L189 CegarLoopUtils]: For program point L246(lines 246 281) no Hoare annotation was computed. [2020-12-22 04:29:24,233 INFO L189 CegarLoopUtils]: For program point L775(lines 775 2925) no Hoare annotation was computed. [2020-12-22 04:29:24,233 INFO L189 CegarLoopUtils]: For program point L1766(lines 1766 2773) no Hoare annotation was computed. [2020-12-22 04:29:24,234 INFO L189 CegarLoopUtils]: For program point L1700(lines 1700 2783) no Hoare annotation was computed. [2020-12-22 04:29:24,234 INFO L185 CegarLoopUtils]: At program point L2625(lines 25 3002) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~main__t~0) (<= ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0)) [2020-12-22 04:29:24,234 INFO L189 CegarLoopUtils]: For program point L115(lines 115 123) no Hoare annotation was computed. [2020-12-22 04:29:24,234 INFO L189 CegarLoopUtils]: For program point L2031(lines 2031 2732) no Hoare annotation was computed. [2020-12-22 04:29:24,234 INFO L189 CegarLoopUtils]: For program point L908(lines 908 2905) no Hoare annotation was computed. [2020-12-22 04:29:24,234 INFO L189 CegarLoopUtils]: For program point L842(lines 842 2915) no Hoare annotation was computed. [2020-12-22 04:29:24,234 INFO L189 CegarLoopUtils]: For program point L2296(lines 2296 2691) no Hoare annotation was computed. [2020-12-22 04:29:24,234 INFO L189 CegarLoopUtils]: For program point L1173(lines 1173 2864) no Hoare annotation was computed. [2020-12-22 04:29:24,234 INFO L189 CegarLoopUtils]: For program point L1438(lines 1438 2823) no Hoare annotation was computed. [2020-12-22 04:29:24,235 INFO L189 CegarLoopUtils]: For program point L2429(lines 2429 2671) no Hoare annotation was computed. [2020-12-22 04:29:24,235 INFO L189 CegarLoopUtils]: For program point L315(lines 315 2996) no Hoare annotation was computed. [2020-12-22 04:29:24,235 INFO L189 CegarLoopUtils]: For program point L2363(lines 2363 2681) no Hoare annotation was computed. [2020-12-22 04:29:24,235 INFO L189 CegarLoopUtils]: For program point L183(lines 183 191) no Hoare annotation was computed. [2020-12-22 04:29:24,235 INFO L189 CegarLoopUtils]: For program point L117(line 117) no Hoare annotation was computed. [2020-12-22 04:29:24,235 INFO L189 CegarLoopUtils]: For program point L580(lines 580 2955) no Hoare annotation was computed. [2020-12-22 04:29:24,235 INFO L189 CegarLoopUtils]: For program point L1571(lines 1571 2803) no Hoare annotation was computed. [2020-12-22 04:29:24,235 INFO L189 CegarLoopUtils]: For program point L1505(lines 1505 2813) no Hoare annotation was computed. [2020-12-22 04:29:24,235 INFO L189 CegarLoopUtils]: For program point L1836(lines 1836 2762) no Hoare annotation was computed. [2020-12-22 04:29:24,235 INFO L189 CegarLoopUtils]: For program point L713(lines 713 2935) no Hoare annotation was computed. [2020-12-22 04:29:24,236 INFO L189 CegarLoopUtils]: For program point L647(lines 647 2945) no Hoare annotation was computed. [2020-12-22 04:29:24,236 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-22 04:29:24,236 INFO L189 CegarLoopUtils]: For program point L2101(lines 2101 2721) no Hoare annotation was computed. [2020-12-22 04:29:24,236 INFO L189 CegarLoopUtils]: For program point L978(lines 978 2894) no Hoare annotation was computed. [2020-12-22 04:29:24,236 INFO L189 CegarLoopUtils]: For program point L1243(lines 1243 2853) no Hoare annotation was computed. [2020-12-22 04:29:24,236 INFO L189 CegarLoopUtils]: For program point L2234(lines 2234 2701) no Hoare annotation was computed. [2020-12-22 04:29:24,236 INFO L189 CegarLoopUtils]: For program point L2168(lines 2168 2711) no Hoare annotation was computed. [2020-12-22 04:29:24,236 INFO L189 CegarLoopUtils]: For program point L2631(lines 2631 2641) no Hoare annotation was computed. [2020-12-22 04:29:24,236 INFO L189 CegarLoopUtils]: For program point L2499(lines 2499 2660) no Hoare annotation was computed. [2020-12-22 04:29:24,236 INFO L189 CegarLoopUtils]: For program point L385(lines 385 2985) no Hoare annotation was computed. [2020-12-22 04:29:24,236 INFO L189 CegarLoopUtils]: For program point L1376(lines 1376 2833) no Hoare annotation was computed. [2020-12-22 04:29:24,237 INFO L189 CegarLoopUtils]: For program point L1310(lines 1310 2843) no Hoare annotation was computed. [2020-12-22 04:29:24,237 INFO L189 CegarLoopUtils]: For program point L253(lines 253 275) no Hoare annotation was computed. [2020-12-22 04:29:24,237 INFO L189 CegarLoopUtils]: For program point L1641(lines 1641 2792) no Hoare annotation was computed. [2020-12-22 04:29:24,237 INFO L189 CegarLoopUtils]: For program point L518(lines 518 2965) no Hoare annotation was computed. [2020-12-22 04:29:24,237 INFO L189 CegarLoopUtils]: For program point L452(lines 452 2975) no Hoare annotation was computed. [2020-12-22 04:29:24,237 INFO L189 CegarLoopUtils]: For program point L1906(lines 1906 2751) no Hoare annotation was computed. [2020-12-22 04:29:24,237 INFO L189 CegarLoopUtils]: For program point L783(lines 783 2924) no Hoare annotation was computed. [2020-12-22 04:29:24,237 INFO L189 CegarLoopUtils]: For program point L255(line 255) no Hoare annotation was computed. [2020-12-22 04:29:24,237 INFO L189 CegarLoopUtils]: For program point L1048(lines 1048 2883) no Hoare annotation was computed. [2020-12-22 04:29:24,237 INFO L189 CegarLoopUtils]: For program point L2039(lines 2039 2731) no Hoare annotation was computed. [2020-12-22 04:29:24,237 INFO L189 CegarLoopUtils]: For program point L1973(lines 1973 2741) no Hoare annotation was computed. [2020-12-22 04:29:24,238 INFO L185 CegarLoopUtils]: At program point L2634(lines 64 3001) the Hoare annotation is: (let ((.cse0 (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0))) (or (and .cse0 (<= 1 ULTIMATE.start_main_~main__t~0)) (and .cse0 (= ULTIMATE.start_main_~main__t~0 0)))) [2020-12-22 04:29:24,238 INFO L189 CegarLoopUtils]: For program point L2304(lines 2304 2690) no Hoare annotation was computed. [2020-12-22 04:29:24,238 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 04:29:24,238 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2020-12-22 04:29:24,238 INFO L189 CegarLoopUtils]: For program point L1181(lines 1181 2863) no Hoare annotation was computed. [2020-12-22 04:29:24,238 INFO L189 CegarLoopUtils]: For program point L1115(lines 1115 2873) no Hoare annotation was computed. [2020-12-22 04:29:24,238 INFO L189 CegarLoopUtils]: For program point L2569(lines 2569 2649) no Hoare annotation was computed. [2020-12-22 04:29:24,238 INFO L189 CegarLoopUtils]: For program point L1446(lines 1446 2822) no Hoare annotation was computed. [2020-12-22 04:29:24,238 INFO L189 CegarLoopUtils]: For program point L323(lines 323 2995) no Hoare annotation was computed. [2020-12-22 04:29:24,239 INFO L189 CegarLoopUtils]: For program point L1711(lines 1711 2781) no Hoare annotation was computed. [2020-12-22 04:29:24,239 INFO L189 CegarLoopUtils]: For program point L588(lines 588 2954) no Hoare annotation was computed. [2020-12-22 04:29:24,239 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2020-12-22 04:29:24,239 INFO L189 CegarLoopUtils]: For program point L853(lines 853 2913) no Hoare annotation was computed. [2020-12-22 04:29:24,239 INFO L189 CegarLoopUtils]: For program point L1844(lines 1844 2761) no Hoare annotation was computed. [2020-12-22 04:29:24,239 INFO L189 CegarLoopUtils]: For program point L1778(lines 1778 2771) no Hoare annotation was computed. [2020-12-22 04:29:24,239 INFO L189 CegarLoopUtils]: For program point L2109(lines 2109 2720) no Hoare annotation was computed. [2020-12-22 04:29:24,239 INFO L189 CegarLoopUtils]: For program point L986(lines 986 2893) no Hoare annotation was computed. [2020-12-22 04:29:24,239 INFO L189 CegarLoopUtils]: For program point L920(lines 920 2903) no Hoare annotation was computed. [2020-12-22 04:29:24,239 INFO L189 CegarLoopUtils]: For program point L2374(lines 2374 2679) no Hoare annotation was computed. [2020-12-22 04:29:24,239 INFO L189 CegarLoopUtils]: For program point L1251(lines 1251 2852) no Hoare annotation was computed. [2020-12-22 04:29:24,240 INFO L189 CegarLoopUtils]: For program point L1516(lines 1516 2811) no Hoare annotation was computed. [2020-12-22 04:29:24,240 INFO L189 CegarLoopUtils]: For program point L2507(lines 2507 2659) no Hoare annotation was computed. [2020-12-22 04:29:24,240 INFO L189 CegarLoopUtils]: For program point L393(lines 393 2984) no Hoare annotation was computed. [2020-12-22 04:29:24,240 INFO L189 CegarLoopUtils]: For program point L2441(lines 2441 2669) no Hoare annotation was computed. [2020-12-22 04:29:24,240 INFO L189 CegarLoopUtils]: For program point L658(lines 658 2943) no Hoare annotation was computed. [2020-12-22 04:29:24,240 INFO L189 CegarLoopUtils]: For program point L1649(lines 1649 2791) no Hoare annotation was computed. [2020-12-22 04:29:24,240 INFO L185 CegarLoopUtils]: At program point L2640(lines 2591 2647) the Hoare annotation is: (and (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 59 ULTIMATE.start_main_~main__t~0)) [2020-12-22 04:29:24,240 INFO L189 CegarLoopUtils]: For program point L1583(lines 1583 2801) no Hoare annotation was computed. [2020-12-22 04:29:24,240 INFO L189 CegarLoopUtils]: For program point L64(lines 64 3001) no Hoare annotation was computed. [2020-12-22 04:29:24,240 INFO L189 CegarLoopUtils]: For program point L1914(lines 1914 2750) no Hoare annotation was computed. [2020-12-22 04:29:24,241 INFO L189 CegarLoopUtils]: For program point L791(lines 791 2923) no Hoare annotation was computed. [2020-12-22 04:29:24,241 INFO L189 CegarLoopUtils]: For program point L725(lines 725 2933) no Hoare annotation was computed. [2020-12-22 04:29:24,241 INFO L189 CegarLoopUtils]: For program point L2179(lines 2179 2709) no Hoare annotation was computed. [2020-12-22 04:29:24,241 INFO L189 CegarLoopUtils]: For program point L1056(lines 1056 2882) no Hoare annotation was computed. [2020-12-22 04:29:24,241 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 04:29:24,241 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2020-12-22 04:29:24,241 INFO L189 CegarLoopUtils]: For program point L1321(lines 1321 2841) no Hoare annotation was computed. [2020-12-22 04:29:24,241 INFO L189 CegarLoopUtils]: For program point L2312(lines 2312 2689) no Hoare annotation was computed. [2020-12-22 04:29:24,241 INFO L189 CegarLoopUtils]: For program point L2246(lines 2246 2699) no Hoare annotation was computed. [2020-12-22 04:29:24,241 INFO L189 CegarLoopUtils]: For program point L132(lines 132 282) no Hoare annotation was computed. [2020-12-22 04:29:24,241 INFO L189 CegarLoopUtils]: For program point L2577(lines 2577 2648) no Hoare annotation was computed. [2020-12-22 04:29:24,241 INFO L189 CegarLoopUtils]: For program point L463(lines 463 2973) no Hoare annotation was computed. [2020-12-22 04:29:24,242 INFO L189 CegarLoopUtils]: For program point L1454(lines 1454 2821) no Hoare annotation was computed. [2020-12-22 04:29:24,242 INFO L189 CegarLoopUtils]: For program point L1388(lines 1388 2831) no Hoare annotation was computed. [2020-12-22 04:29:24,242 INFO L189 CegarLoopUtils]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-12-22 04:29:24,242 INFO L189 CegarLoopUtils]: For program point L1719(lines 1719 2780) no Hoare annotation was computed. [2020-12-22 04:29:24,242 INFO L189 CegarLoopUtils]: For program point L596(lines 596 2953) no Hoare annotation was computed. [2020-12-22 04:29:24,242 INFO L189 CegarLoopUtils]: For program point L530(lines 530 2963) no Hoare annotation was computed. [2020-12-22 04:29:24,242 INFO L189 CegarLoopUtils]: For program point L1984(lines 1984 2739) no Hoare annotation was computed. [2020-12-22 04:29:24,242 INFO L189 CegarLoopUtils]: For program point L861(lines 861 2912) no Hoare annotation was computed. [2020-12-22 04:29:24,242 INFO L189 CegarLoopUtils]: For program point L267(line 267) no Hoare annotation was computed. [2020-12-22 04:29:24,242 INFO L189 CegarLoopUtils]: For program point L1126(lines 1126 2871) no Hoare annotation was computed. [2020-12-22 04:29:24,242 INFO L189 CegarLoopUtils]: For program point L2117(lines 2117 2719) no Hoare annotation was computed. [2020-12-22 04:29:24,243 INFO L189 CegarLoopUtils]: For program point L2051(lines 2051 2729) no Hoare annotation was computed. [2020-12-22 04:29:24,243 INFO L189 CegarLoopUtils]: For program point L2382(lines 2382 2678) no Hoare annotation was computed. [2020-12-22 04:29:24,243 INFO L189 CegarLoopUtils]: For program point L1259(lines 1259 2851) no Hoare annotation was computed. [2020-12-22 04:29:24,243 INFO L189 CegarLoopUtils]: For program point L1193(lines 1193 2861) no Hoare annotation was computed. [2020-12-22 04:29:24,243 INFO L189 CegarLoopUtils]: For program point L136(lines 136 240) no Hoare annotation was computed. [2020-12-22 04:29:24,243 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2020-12-22 04:29:24,243 INFO L189 CegarLoopUtils]: For program point L1524(lines 1524 2810) no Hoare annotation was computed. [2020-12-22 04:29:24,243 INFO L189 CegarLoopUtils]: For program point L401(lines 401 2983) no Hoare annotation was computed. [2020-12-22 04:29:24,243 INFO L189 CegarLoopUtils]: For program point L335(lines 335 2993) no Hoare annotation was computed. [2020-12-22 04:29:24,244 INFO L189 CegarLoopUtils]: For program point L1789(lines 1789 2769) no Hoare annotation was computed. [2020-12-22 04:29:24,244 INFO L189 CegarLoopUtils]: For program point L666(lines 666 2942) no Hoare annotation was computed. [2020-12-22 04:29:24,244 INFO L189 CegarLoopUtils]: For program point L931(lines 931 2901) no Hoare annotation was computed. [2020-12-22 04:29:24,244 INFO L189 CegarLoopUtils]: For program point L1922(lines 1922 2749) no Hoare annotation was computed. [2020-12-22 04:29:24,244 INFO L189 CegarLoopUtils]: For program point L1856(lines 1856 2759) no Hoare annotation was computed. [2020-12-22 04:29:24,244 INFO L189 CegarLoopUtils]: For program point L205(lines 205 229) no Hoare annotation was computed. [2020-12-22 04:29:24,244 INFO L189 CegarLoopUtils]: For program point L2187(lines 2187 2708) no Hoare annotation was computed. [2020-12-22 04:29:24,244 INFO L189 CegarLoopUtils]: For program point L1064(lines 1064 2881) no Hoare annotation was computed. [2020-12-22 04:29:24,244 INFO L189 CegarLoopUtils]: For program point L998(lines 998 2891) no Hoare annotation was computed. [2020-12-22 04:29:24,245 INFO L189 CegarLoopUtils]: For program point L2452(lines 2452 2667) no Hoare annotation was computed. [2020-12-22 04:29:24,245 INFO L189 CegarLoopUtils]: For program point L1329(lines 1329 2840) no Hoare annotation was computed. [2020-12-22 04:29:24,245 INFO L189 CegarLoopUtils]: For program point L74(lines 74 286) no Hoare annotation was computed. [2020-12-22 04:29:24,245 INFO L189 CegarLoopUtils]: For program point L1594(lines 1594 2799) no Hoare annotation was computed. [2020-12-22 04:29:24,245 INFO L189 CegarLoopUtils]: For program point L2585(lines 2585 2647) no Hoare annotation was computed. [2020-12-22 04:29:24,245 INFO L189 CegarLoopUtils]: For program point L471(lines 471 2972) no Hoare annotation was computed. [2020-12-22 04:29:24,245 INFO L189 CegarLoopUtils]: For program point L2519(lines 2519 2657) no Hoare annotation was computed. [2020-12-22 04:29:24,245 INFO L189 CegarLoopUtils]: For program point L207(line 207) no Hoare annotation was computed. [2020-12-22 04:29:24,245 INFO L189 CegarLoopUtils]: For program point L736(lines 736 2931) no Hoare annotation was computed. [2020-12-22 04:29:24,245 INFO L189 CegarLoopUtils]: For program point L1727(lines 1727 2779) no Hoare annotation was computed. [2020-12-22 04:29:24,246 INFO L189 CegarLoopUtils]: For program point L1661(lines 1661 2789) no Hoare annotation was computed. [2020-12-22 04:29:24,246 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 76) no Hoare annotation was computed. [2020-12-22 04:29:24,246 INFO L189 CegarLoopUtils]: For program point L76(line 76) no Hoare annotation was computed. [2020-12-22 04:29:24,246 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2020-12-22 04:29:24,246 INFO L189 CegarLoopUtils]: For program point L1992(lines 1992 2738) no Hoare annotation was computed. [2020-12-22 04:29:24,246 INFO L189 CegarLoopUtils]: For program point L869(lines 869 2911) no Hoare annotation was computed. [2020-12-22 04:29:24,246 INFO L189 CegarLoopUtils]: For program point L803(lines 803 2921) no Hoare annotation was computed. [2020-12-22 04:29:24,246 INFO L189 CegarLoopUtils]: For program point L2257(lines 2257 2697) no Hoare annotation was computed. [2020-12-22 04:29:24,246 INFO L189 CegarLoopUtils]: For program point L143(lines 143 234) no Hoare annotation was computed. [2020-12-22 04:29:24,247 INFO L189 CegarLoopUtils]: For program point L1134(lines 1134 2870) no Hoare annotation was computed. [2020-12-22 04:29:24,247 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2020-12-22 04:29:24,247 INFO L189 CegarLoopUtils]: For program point L1399(lines 1399 2829) no Hoare annotation was computed. [2020-12-22 04:29:24,247 INFO L189 CegarLoopUtils]: For program point L2390(lines 2390 2677) no Hoare annotation was computed. [2020-12-22 04:29:24,247 INFO L189 CegarLoopUtils]: For program point L2324(lines 2324 2687) no Hoare annotation was computed. [2020-12-22 04:29:24,247 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 2616) no Hoare annotation was computed. [2020-12-22 04:29:24,247 INFO L189 CegarLoopUtils]: For program point L541(lines 541 2961) no Hoare annotation was computed. [2020-12-22 04:29:24,247 INFO L189 CegarLoopUtils]: For program point L1532(lines 1532 2809) no Hoare annotation was computed. [2020-12-22 04:29:24,247 INFO L189 CegarLoopUtils]: For program point L1466(lines 1466 2819) no Hoare annotation was computed. [2020-12-22 04:29:24,248 INFO L189 CegarLoopUtils]: For program point L145(line 145) no Hoare annotation was computed. [2020-12-22 04:29:24,248 INFO L189 CegarLoopUtils]: For program point L1797(lines 1797 2768) no Hoare annotation was computed. [2020-12-22 04:29:24,248 INFO L189 CegarLoopUtils]: For program point L674(lines 674 2941) no Hoare annotation was computed. [2020-12-22 04:29:24,248 INFO L189 CegarLoopUtils]: For program point L608(lines 608 2951) no Hoare annotation was computed. [2020-12-22 04:29:24,248 INFO L189 CegarLoopUtils]: For program point L2062(lines 2062 2727) no Hoare annotation was computed. [2020-12-22 04:29:24,248 INFO L189 CegarLoopUtils]: For program point L939(lines 939 2900) no Hoare annotation was computed. [2020-12-22 04:29:24,248 INFO L189 CegarLoopUtils]: For program point L1204(lines 1204 2859) no Hoare annotation was computed. [2020-12-22 04:29:24,248 INFO L189 CegarLoopUtils]: For program point L2195(lines 2195 2707) no Hoare annotation was computed. [2020-12-22 04:29:24,248 INFO L189 CegarLoopUtils]: For program point L2129(lines 2129 2717) no Hoare annotation was computed. [2020-12-22 04:29:24,249 INFO L189 CegarLoopUtils]: For program point L2460(lines 2460 2666) no Hoare annotation was computed. [2020-12-22 04:29:24,249 INFO L189 CegarLoopUtils]: For program point L346(lines 346 2991) no Hoare annotation was computed. [2020-12-22 04:29:24,249 INFO L189 CegarLoopUtils]: For program point L1337(lines 1337 2839) no Hoare annotation was computed. [2020-12-22 04:29:24,249 INFO L185 CegarLoopUtils]: At program point L280(lines 132 282) the Hoare annotation is: (and (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 1 ULTIMATE.start_main_~main__t~0) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~3 0)) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0))) [2020-12-22 04:29:24,249 INFO L189 CegarLoopUtils]: For program point L1271(lines 1271 2849) no Hoare annotation was computed. [2020-12-22 04:29:24,249 INFO L189 CegarLoopUtils]: For program point L1602(lines 1602 2798) no Hoare annotation was computed. [2020-12-22 04:29:24,249 INFO L189 CegarLoopUtils]: For program point L479(lines 479 2971) no Hoare annotation was computed. [2020-12-22 04:29:24,249 INFO L189 CegarLoopUtils]: For program point L413(lines 413 2981) no Hoare annotation was computed. [2020-12-22 04:29:24,249 INFO L189 CegarLoopUtils]: For program point L1867(lines 1867 2757) no Hoare annotation was computed. [2020-12-22 04:29:24,249 INFO L189 CegarLoopUtils]: For program point L744(lines 744 2930) no Hoare annotation was computed. [2020-12-22 04:29:24,250 INFO L189 CegarLoopUtils]: For program point L1009(lines 1009 2889) no Hoare annotation was computed. [2020-12-22 04:29:24,250 INFO L189 CegarLoopUtils]: For program point L2000(lines 2000 2737) no Hoare annotation was computed. [2020-12-22 04:29:24,250 INFO L189 CegarLoopUtils]: For program point L1934(lines 1934 2747) no Hoare annotation was computed. [2020-12-22 04:29:24,250 INFO L189 CegarLoopUtils]: For program point L217(lines 217 227) no Hoare annotation was computed. [2020-12-22 04:29:24,250 INFO L189 CegarLoopUtils]: For program point L2265(lines 2265 2696) no Hoare annotation was computed. [2020-12-22 04:29:24,250 INFO L189 CegarLoopUtils]: For program point L1142(lines 1142 2869) no Hoare annotation was computed. [2020-12-22 04:29:24,250 INFO L189 CegarLoopUtils]: For program point L1076(lines 1076 2879) no Hoare annotation was computed. [2020-12-22 04:29:24,250 INFO L189 CegarLoopUtils]: For program point L2530(lines 2530 2655) no Hoare annotation was computed. [2020-12-22 04:29:24,250 INFO L189 CegarLoopUtils]: For program point L1407(lines 1407 2828) no Hoare annotation was computed. [2020-12-22 04:29:24,251 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 04:29:24,251 INFO L189 CegarLoopUtils]: For program point L86(lines 86 284) no Hoare annotation was computed. [2020-12-22 04:29:24,251 INFO L189 CegarLoopUtils]: For program point L1672(lines 1672 2787) no Hoare annotation was computed. [2020-12-22 04:29:24,251 INFO L189 CegarLoopUtils]: For program point L549(lines 549 2960) no Hoare annotation was computed. [2020-12-22 04:29:24,251 INFO L189 CegarLoopUtils]: For program point L219(line 219) no Hoare annotation was computed. [2020-12-22 04:29:24,251 INFO L189 CegarLoopUtils]: For program point L21(lines 21 3007) no Hoare annotation was computed. [2020-12-22 04:29:24,251 INFO L189 CegarLoopUtils]: For program point L814(lines 814 2919) no Hoare annotation was computed. [2020-12-22 04:29:24,251 INFO L189 CegarLoopUtils]: For program point L1805(lines 1805 2767) no Hoare annotation was computed. [2020-12-22 04:29:24,251 INFO L189 CegarLoopUtils]: For program point L1739(lines 1739 2777) no Hoare annotation was computed. [2020-12-22 04:29:24,251 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2020-12-22 04:29:24,252 INFO L189 CegarLoopUtils]: For program point L88(line 88) no Hoare annotation was computed. [2020-12-22 04:29:24,252 INFO L189 CegarLoopUtils]: For program point L2070(lines 2070 2726) no Hoare annotation was computed. [2020-12-22 04:29:24,252 INFO L189 CegarLoopUtils]: For program point L947(lines 947 2899) no Hoare annotation was computed. [2020-12-22 04:29:24,252 INFO L189 CegarLoopUtils]: For program point L881(lines 881 2909) no Hoare annotation was computed. [2020-12-22 04:29:24,252 INFO L189 CegarLoopUtils]: For program point L2335(lines 2335 2685) no Hoare annotation was computed. [2020-12-22 04:29:24,252 INFO L189 CegarLoopUtils]: For program point L1212(lines 1212 2858) no Hoare annotation was computed. [2020-12-22 04:29:24,252 INFO L189 CegarLoopUtils]: For program point L155(lines 155 232) no Hoare annotation was computed. [2020-12-22 04:29:24,252 INFO L189 CegarLoopUtils]: For program point L1477(lines 1477 2817) no Hoare annotation was computed. [2020-12-22 04:29:24,252 INFO L189 CegarLoopUtils]: For program point L2468(lines 2468 2665) no Hoare annotation was computed. [2020-12-22 04:29:24,252 INFO L189 CegarLoopUtils]: For program point L2402(lines 2402 2675) no Hoare annotation was computed. [2020-12-22 04:29:24,253 INFO L189 CegarLoopUtils]: For program point L354(lines 354 2990) no Hoare annotation was computed. [2020-12-22 04:29:24,253 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2020-12-22 04:29:24,253 INFO L189 CegarLoopUtils]: For program point L619(lines 619 2949) no Hoare annotation was computed. [2020-12-22 04:29:24,253 INFO L189 CegarLoopUtils]: For program point L1610(lines 1610 2797) no Hoare annotation was computed. [2020-12-22 04:29:24,253 INFO L189 CegarLoopUtils]: For program point L1544(lines 1544 2807) no Hoare annotation was computed. [2020-12-22 04:29:24,253 INFO L189 CegarLoopUtils]: For program point L157(line 157) no Hoare annotation was computed. [2020-12-22 04:29:24,253 INFO L189 CegarLoopUtils]: For program point L25(lines 25 3002) no Hoare annotation was computed. [2020-12-22 04:29:24,253 INFO L189 CegarLoopUtils]: For program point L1875(lines 1875 2756) no Hoare annotation was computed. [2020-12-22 04:29:24,253 INFO L189 CegarLoopUtils]: For program point L752(lines 752 2929) no Hoare annotation was computed. [2020-12-22 04:29:24,253 INFO L189 CegarLoopUtils]: For program point L686(lines 686 2939) no Hoare annotation was computed. [2020-12-22 04:29:24,254 INFO L189 CegarLoopUtils]: For program point L2602(lines 2602 2645) no Hoare annotation was computed. [2020-12-22 04:29:24,254 INFO L189 CegarLoopUtils]: For program point L2140(lines 2140 2715) no Hoare annotation was computed. [2020-12-22 04:29:24,254 INFO L189 CegarLoopUtils]: For program point L1017(lines 1017 2888) no Hoare annotation was computed. [2020-12-22 04:29:24,254 INFO L189 CegarLoopUtils]: For program point L1282(lines 1282 2847) no Hoare annotation was computed. [2020-12-22 04:29:24,254 INFO L189 CegarLoopUtils]: For program point L2273(lines 2273 2695) no Hoare annotation was computed. [2020-12-22 04:29:24,254 INFO L189 CegarLoopUtils]: For program point L2207(lines 2207 2705) no Hoare annotation was computed. [2020-12-22 04:29:24,254 INFO L189 CegarLoopUtils]: For program point L2604(line 2604) no Hoare annotation was computed. [2020-12-22 04:29:24,254 INFO L189 CegarLoopUtils]: For program point L2538(lines 2538 2654) no Hoare annotation was computed. [2020-12-22 04:29:24,254 INFO L189 CegarLoopUtils]: For program point L424(lines 424 2979) no Hoare annotation was computed. [2020-12-22 04:29:24,255 INFO L189 CegarLoopUtils]: For program point L1415(lines 1415 2827) no Hoare annotation was computed. [2020-12-22 04:29:24,255 INFO L189 CegarLoopUtils]: For program point L1349(lines 1349 2837) no Hoare annotation was computed. [2020-12-22 04:29:24,255 INFO L185 CegarLoopUtils]: At program point L226(lines 92 284) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~main__t~0) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~3 0)) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0)) (<= ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0)) [2020-12-22 04:29:24,255 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 04:29:24,255 INFO L189 CegarLoopUtils]: For program point L1680(lines 1680 2786) no Hoare annotation was computed. [2020-12-22 04:29:24,255 INFO L189 CegarLoopUtils]: For program point L557(lines 557 2959) no Hoare annotation was computed. [2020-12-22 04:29:24,255 INFO L189 CegarLoopUtils]: For program point L491(lines 491 2969) no Hoare annotation was computed. [2020-12-22 04:29:24,255 INFO L189 CegarLoopUtils]: For program point L1945(lines 1945 2745) no Hoare annotation was computed. [2020-12-22 04:29:24,255 INFO L189 CegarLoopUtils]: For program point L822(lines 822 2918) no Hoare annotation was computed. [2020-12-22 04:29:24,255 INFO L189 CegarLoopUtils]: For program point L1087(lines 1087 2877) no Hoare annotation was computed. [2020-12-22 04:29:24,256 INFO L189 CegarLoopUtils]: For program point L2078(lines 2078 2725) no Hoare annotation was computed. [2020-12-22 04:29:24,256 INFO L189 CegarLoopUtils]: For program point L2012(lines 2012 2735) no Hoare annotation was computed. [2020-12-22 04:29:24,256 INFO L189 CegarLoopUtils]: For program point L2343(lines 2343 2684) no Hoare annotation was computed. [2020-12-22 04:29:24,256 INFO L189 CegarLoopUtils]: For program point L1220(lines 1220 2857) no Hoare annotation was computed. [2020-12-22 04:29:24,256 INFO L189 CegarLoopUtils]: For program point L1154(lines 1154 2867) no Hoare annotation was computed. [2020-12-22 04:29:24,256 INFO L189 CegarLoopUtils]: For program point L1485(lines 1485 2816) no Hoare annotation was computed. [2020-12-22 04:29:24,256 INFO L189 CegarLoopUtils]: For program point L362(lines 362 2989) no Hoare annotation was computed. [2020-12-22 04:29:24,256 INFO L189 CegarLoopUtils]: For program point L296(lines 296 2999) no Hoare annotation was computed. [2020-12-22 04:29:24,256 INFO L189 CegarLoopUtils]: For program point L164(lines 164 231) no Hoare annotation was computed. [2020-12-22 04:29:24,256 INFO L189 CegarLoopUtils]: For program point L1750(lines 1750 2775) no Hoare annotation was computed. [2020-12-22 04:29:24,257 INFO L189 CegarLoopUtils]: For program point L627(lines 627 2948) no Hoare annotation was computed. [2020-12-22 04:29:24,257 INFO L189 CegarLoopUtils]: For program point L33(lines 33 57) no Hoare annotation was computed. [2020-12-22 04:29:24,257 INFO L192 CegarLoopUtils]: At program point L3006(lines 21 3007) the Hoare annotation is: true [2020-12-22 04:29:24,257 INFO L189 CegarLoopUtils]: For program point L892(lines 892 2907) no Hoare annotation was computed. [2020-12-22 04:29:24,257 INFO L189 CegarLoopUtils]: For program point L1883(lines 1883 2755) no Hoare annotation was computed. [2020-12-22 04:29:24,257 INFO L189 CegarLoopUtils]: For program point L1817(lines 1817 2765) no Hoare annotation was computed. [2020-12-22 04:29:24,257 INFO L189 CegarLoopUtils]: For program point L2148(lines 2148 2714) no Hoare annotation was computed. [2020-12-22 04:29:24,257 INFO L189 CegarLoopUtils]: For program point L1025(lines 1025 2887) no Hoare annotation was computed. [2020-12-22 04:29:24,257 INFO L189 CegarLoopUtils]: For program point L959(lines 959 2897) no Hoare annotation was computed. [2020-12-22 04:29:24,258 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2020-12-22 04:29:24,258 INFO L189 CegarLoopUtils]: For program point L2413(lines 2413 2673) no Hoare annotation was computed. [2020-12-22 04:29:24,258 INFO L189 CegarLoopUtils]: For program point L1290(lines 1290 2846) no Hoare annotation was computed. [2020-12-22 04:29:24,258 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-22 04:29:24,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 04:29:24 BoogieIcfgContainer [2020-12-22 04:29:24,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 04:29:24,280 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 04:29:24,280 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 04:29:24,280 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 04:29:24,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:29:04" (3/4) ... [2020-12-22 04:29:24,284 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 04:29:24,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-22 04:29:24,318 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 04:29:24,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 04:29:24,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 04:29:24,549 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c-witness.graphml [2020-12-22 04:29:24,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 04:29:24,551 INFO L168 Benchmark]: Toolchain (without parser) took 22844.53 ms. Allocated memory was 174.1 MB in the beginning and 381.7 MB in the end (delta: 207.6 MB). Free memory was 147.8 MB in the beginning and 137.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 217.2 MB. Max. memory is 8.0 GB. [2020-12-22 04:29:24,551 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 174.1 MB. Free memory is still 148.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 04:29:24,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1205.76 ms. Allocated memory is still 174.1 MB. Free memory was 147.7 MB in the beginning and 136.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. [2020-12-22 04:29:24,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.85 ms. Allocated memory is still 174.1 MB. Free memory was 136.6 MB in the beginning and 129.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-12-22 04:29:24,552 INFO L168 Benchmark]: Boogie Preprocessor took 76.91 ms. Allocated memory is still 174.1 MB. Free memory was 129.7 MB in the beginning and 125.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 04:29:24,552 INFO L168 Benchmark]: RCFGBuilder took 1574.16 ms. Allocated memory was 174.1 MB in the beginning and 220.2 MB in the end (delta: 46.1 MB). Free memory was 125.5 MB in the beginning and 168.9 MB in the end (delta: -43.4 MB). Peak memory consumption was 85.6 MB. Max. memory is 8.0 GB. [2020-12-22 04:29:24,553 INFO L168 Benchmark]: TraceAbstraction took 19580.66 ms. Allocated memory was 220.2 MB in the beginning and 381.7 MB in the end (delta: 161.5 MB). Free memory was 168.9 MB in the beginning and 168.7 MB in the end (delta: 160.8 kB). Peak memory consumption was 161.6 MB. Max. memory is 8.0 GB. [2020-12-22 04:29:24,553 INFO L168 Benchmark]: Witness Printer took 269.89 ms. Allocated memory is still 381.7 MB. Free memory was 168.7 MB in the beginning and 137.8 MB in the end (delta: 30.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 8.0 GB. [2020-12-22 04:29:24,555 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 174.1 MB. Free memory is still 148.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1205.76 ms. Allocated memory is still 174.1 MB. Free memory was 147.7 MB in the beginning and 136.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 125.85 ms. Allocated memory is still 174.1 MB. Free memory was 136.6 MB in the beginning and 129.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 76.91 ms. Allocated memory is still 174.1 MB. Free memory was 129.7 MB in the beginning and 125.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1574.16 ms. Allocated memory was 174.1 MB in the beginning and 220.2 MB in the end (delta: 46.1 MB). Free memory was 125.5 MB in the beginning and 168.9 MB in the end (delta: -43.4 MB). Peak memory consumption was 85.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19580.66 ms. Allocated memory was 220.2 MB in the beginning and 381.7 MB in the end (delta: 161.5 MB). Free memory was 168.9 MB in the beginning and 168.7 MB in the end (delta: 160.8 kB). Peak memory consumption was 161.6 MB. Max. memory is 8.0 GB. * Witness Printer took 269.89 ms. Allocated memory is still 381.7 MB. Free memory was 168.7 MB in the beginning and 137.8 MB in the end (delta: 30.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 173]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2616]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 88]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 35]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 76]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 255]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 105]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 117]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 145]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 207]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2604]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 267]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 219]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 185]: 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 16 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((1 <= main__t && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__t <= main__tagbuf_len - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 0 <= main__t && main__t <= main__tagbuf_len - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((main__t < main__tagbuf_len && 1 <= main__t) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (main__t < main__tagbuf_len && 1 <= main__t) || (main__t < main__tagbuf_len && main__t == 0) - InvariantResult [Line: 2591]: Loop Invariant Derived loop invariant: main__t < main__tagbuf_len && 59 <= main__t - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 304 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.1s, OverallIterations: 21, TraceHistogramMax: 1, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4014 SDtfs, 9410 SDslu, 5246 SDs, 0 SdLazy, 11841 SolverSat, 2627 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 317 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 150 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 18 NumberOfFragments, 61 HoareAnnotationTreeSize, 7 FomulaSimplifications, 10592 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3890 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 744 NumberOfCodeBlocks, 744 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 723 ConstructedInterpolants, 0 QuantifiedInterpolants, 393055 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 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...