/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-24 03:10:18,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-24 03:10:18,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-24 03:10:19,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-24 03:10:19,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-24 03:10:19,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-24 03:10:19,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-24 03:10:19,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-24 03:10:19,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-24 03:10:19,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-24 03:10:19,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-24 03:10:19,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-24 03:10:19,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-24 03:10:19,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-24 03:10:19,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-24 03:10:19,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-24 03:10:19,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-24 03:10:19,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-24 03:10:19,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-24 03:10:19,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-24 03:10:19,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-24 03:10:19,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-24 03:10:19,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-24 03:10:19,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-24 03:10:19,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-24 03:10:19,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-24 03:10:19,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-24 03:10:19,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-24 03:10:19,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-24 03:10:19,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-24 03:10:19,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-24 03:10:19,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-24 03:10:19,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-24 03:10:19,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-24 03:10:19,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-24 03:10:19,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-24 03:10:19,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-24 03:10:19,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-24 03:10:19,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-24 03:10:19,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-24 03:10:19,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-24 03:10:19,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-24 03:10:19,103 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-24 03:10:19,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-24 03:10:19,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-24 03:10:19,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-24 03:10:19,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-24 03:10:19,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-24 03:10:19,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-24 03:10:19,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-24 03:10:19,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-24 03:10:19,105 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-24 03:10:19,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-24 03:10:19,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-24 03:10:19,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-24 03:10:19,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-24 03:10:19,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-24 03:10:19,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 03:10:19,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-24 03:10:19,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-24 03:10:19,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-24 03:10:19,107 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-24 03:10:19,107 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-24 03:10:19,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-24 03:10:19,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-24 03:10:19,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-24 03:10:19,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-24 03:10:19,334 INFO L275 PluginConnector]: CDTParser initialized [2022-02-24 03:10:19,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2022-02-24 03:10:19,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f4cc069/d6cf2eaaab7e4a70b9703e9b8dbbe8df/FLAG240be5adb [2022-02-24 03:10:19,744 INFO L306 CDTParser]: Found 1 translation units. [2022-02-24 03:10:19,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2022-02-24 03:10:19,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f4cc069/d6cf2eaaab7e4a70b9703e9b8dbbe8df/FLAG240be5adb [2022-02-24 03:10:19,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f4cc069/d6cf2eaaab7e4a70b9703e9b8dbbe8df [2022-02-24 03:10:19,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-24 03:10:19,768 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-24 03:10:19,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-24 03:10:19,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-24 03:10:19,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-24 03:10:19,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:10:19" (1/1) ... [2022-02-24 03:10:19,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b678b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:10:19, skipping insertion in model container [2022-02-24 03:10:19,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:10:19" (1/1) ... [2022-02-24 03:10:19,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-24 03:10:19,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-24 03:10:19,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1551,1564] [2022-02-24 03:10:19,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1758,1771] [2022-02-24 03:10:19,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2095,2108] [2022-02-24 03:10:19,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2296,2309] [2022-02-24 03:10:19,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2701,2714] [2022-02-24 03:10:19,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2902,2915] [2022-02-24 03:10:19,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3228,3241] [2022-02-24 03:10:19,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3435,3448] [2022-02-24 03:10:19,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3914,3927] [2022-02-24 03:10:19,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4118,4131] [2022-02-24 03:10:19,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4426,4439] [2022-02-24 03:10:19,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4630,4643] [2022-02-24 03:10:19,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4995,5008] [2022-02-24 03:10:19,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5198,5211] [2022-02-24 03:10:19,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5412,5425] [2022-02-24 03:10:19,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5616,5629] [2022-02-24 03:10:19,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6138,6151] [2022-02-24 03:10:19,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6342,6355] [2022-02-24 03:10:19,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 03:10:19,975 INFO L203 MainTranslator]: Completed pre-run [2022-02-24 03:10:19,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1551,1564] [2022-02-24 03:10:19,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1758,1771] [2022-02-24 03:10:19,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2095,2108] [2022-02-24 03:10:19,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2296,2309] [2022-02-24 03:10:19,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2701,2714] [2022-02-24 03:10:20,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2902,2915] [2022-02-24 03:10:20,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3228,3241] [2022-02-24 03:10:20,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3435,3448] [2022-02-24 03:10:20,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3914,3927] [2022-02-24 03:10:20,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4118,4131] [2022-02-24 03:10:20,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4426,4439] [2022-02-24 03:10:20,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4630,4643] [2022-02-24 03:10:20,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4995,5008] [2022-02-24 03:10:20,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5198,5211] [2022-02-24 03:10:20,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5412,5425] [2022-02-24 03:10:20,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5616,5629] [2022-02-24 03:10:20,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6138,6151] [2022-02-24 03:10:20,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6342,6355] [2022-02-24 03:10:20,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 03:10:20,031 INFO L208 MainTranslator]: Completed translation [2022-02-24 03:10:20,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:10:20 WrapperNode [2022-02-24 03:10:20,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-24 03:10:20,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-24 03:10:20,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-24 03:10:20,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-24 03:10:20,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:10:20" (1/1) ... [2022-02-24 03:10:20,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:10:20" (1/1) ... [2022-02-24 03:10:20,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:10:20" (1/1) ... [2022-02-24 03:10:20,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:10:20" (1/1) ... [2022-02-24 03:10:20,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:10:20" (1/1) ... [2022-02-24 03:10:20,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:10:20" (1/1) ... [2022-02-24 03:10:20,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:10:20" (1/1) ... [2022-02-24 03:10:20,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-24 03:10:20,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-24 03:10:20,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-24 03:10:20,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-24 03:10:20,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:10:20" (1/1) ... [2022-02-24 03:10:20,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 03:10:20,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 03:10:20,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-24 03:10:20,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-24 03:10:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-24 03:10:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-24 03:10:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-24 03:10:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-24 03:10:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-24 03:10:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-24 03:10:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-24 03:10:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-24 03:10:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-24 03:10:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-24 03:10:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-24 03:10:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-24 03:10:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-24 03:10:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-24 03:10:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-24 03:10:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-24 03:10:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-24 03:10:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-24 03:10:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-24 03:10:20,180 INFO L234 CfgBuilder]: Building ICFG [2022-02-24 03:10:20,181 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-24 03:10:20,386 INFO L275 CfgBuilder]: Performing block encoding [2022-02-24 03:10:20,391 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-24 03:10:20,391 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-24 03:10:20,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:10:20 BoogieIcfgContainer [2022-02-24 03:10:20,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-24 03:10:20,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-24 03:10:20,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-24 03:10:20,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-24 03:10:20,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:10:19" (1/3) ... [2022-02-24 03:10:20,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50dda4d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:10:20, skipping insertion in model container [2022-02-24 03:10:20,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:10:20" (2/3) ... [2022-02-24 03:10:20,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50dda4d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:10:20, skipping insertion in model container [2022-02-24 03:10:20,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:10:20" (3/3) ... [2022-02-24 03:10:20,398 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i.v+cfa-reducer.c [2022-02-24 03:10:20,402 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-24 03:10:20,402 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-02-24 03:10:20,429 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-24 03:10:20,433 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=QVASR [2022-02-24 03:10:20,433 INFO L340 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-02-24 03:10:20,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 64 states have (on average 1.875) internal successors, (120), 82 states have internal predecessors, (120), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-24 03:10:20,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-24 03:10:20,447 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:20,447 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:10:20,447 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:20,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:20,451 INFO L85 PathProgramCache]: Analyzing trace with hash 129930232, now seen corresponding path program 1 times [2022-02-24 03:10:20,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:20,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053030903] [2022-02-24 03:10:20,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:20,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:20,511 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:20,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:20,648 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:20,649 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053030903] [2022-02-24 03:10:20,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2053030903] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:20,650 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:20,650 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 03:10:20,651 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546392959] [2022-02-24 03:10:20,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:20,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 03:10:20,655 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:20,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 03:10:20,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 03:10:20,680 INFO L87 Difference]: Start difference. First operand has 87 states, 64 states have (on average 1.875) internal successors, (120), 82 states have internal predecessors, (120), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:20,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:20,802 INFO L93 Difference]: Finished difference Result 93 states and 129 transitions. [2022-02-24 03:10:20,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 03:10:20,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-02-24 03:10:20,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:20,812 INFO L225 Difference]: With dead ends: 93 [2022-02-24 03:10:20,812 INFO L226 Difference]: Without dead ends: 80 [2022-02-24 03:10:20,815 INFO L932 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 [2022-02-24 03:10:20,822 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 170 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:20,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 105 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:10:20,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-02-24 03:10:20,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-02-24 03:10:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 76 states have internal predecessors, (80), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:20,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2022-02-24 03:10:20,885 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 19 [2022-02-24 03:10:20,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:20,886 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2022-02-24 03:10:20,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:20,886 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2022-02-24 03:10:20,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-24 03:10:20,887 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:20,887 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:10:20,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-24 03:10:20,888 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:20,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:20,890 INFO L85 PathProgramCache]: Analyzing trace with hash -267127005, now seen corresponding path program 1 times [2022-02-24 03:10:20,890 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:20,890 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521470979] [2022-02-24 03:10:20,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:20,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:20,898 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:20,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:20,998 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:20,998 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521470979] [2022-02-24 03:10:20,998 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [521470979] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:20,998 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:20,998 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-24 03:10:20,998 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735113395] [2022-02-24 03:10:20,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:20,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-24 03:10:20,999 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:21,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-24 03:10:21,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-24 03:10:21,000 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:21,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:21,154 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2022-02-24 03:10:21,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-24 03:10:21,154 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-02-24 03:10:21,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:21,156 INFO L225 Difference]: With dead ends: 80 [2022-02-24 03:10:21,156 INFO L226 Difference]: Without dead ends: 78 [2022-02-24 03:10:21,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-24 03:10:21,157 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 319 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:21,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 74 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:10:21,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-02-24 03:10:21,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-02-24 03:10:21,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 74 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:21,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2022-02-24 03:10:21,172 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 20 [2022-02-24 03:10:21,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:21,173 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2022-02-24 03:10:21,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:21,173 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2022-02-24 03:10:21,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-24 03:10:21,174 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:21,174 INFO L514 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] [2022-02-24 03:10:21,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-24 03:10:21,175 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr2ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:21,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:21,176 INFO L85 PathProgramCache]: Analyzing trace with hash 989082342, now seen corresponding path program 1 times [2022-02-24 03:10:21,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:21,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1112159164] [2022-02-24 03:10:21,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:21,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:21,179 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:21,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:21,250 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:21,250 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1112159164] [2022-02-24 03:10:21,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1112159164] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:21,251 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:21,251 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 03:10:21,251 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835736326] [2022-02-24 03:10:21,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:21,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 03:10:21,252 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:21,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 03:10:21,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 03:10:21,253 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:21,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:21,397 INFO L93 Difference]: Finished difference Result 101 states and 106 transitions. [2022-02-24 03:10:21,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 03:10:21,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-02-24 03:10:21,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:21,402 INFO L225 Difference]: With dead ends: 101 [2022-02-24 03:10:21,402 INFO L226 Difference]: Without dead ends: 99 [2022-02-24 03:10:21,403 INFO L932 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 [2022-02-24 03:10:21,404 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 207 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:21,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 78 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:10:21,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-02-24 03:10:21,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 76. [2022-02-24 03:10:21,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 72 states have internal predecessors, (76), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:21,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2022-02-24 03:10:21,428 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 22 [2022-02-24 03:10:21,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:21,428 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2022-02-24 03:10:21,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:21,429 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2022-02-24 03:10:21,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-24 03:10:21,430 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:21,430 INFO L514 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] [2022-02-24 03:10:21,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-24 03:10:21,430 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr3ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:21,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:21,431 INFO L85 PathProgramCache]: Analyzing trace with hash 596784644, now seen corresponding path program 1 times [2022-02-24 03:10:21,432 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:21,434 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1905246438] [2022-02-24 03:10:21,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:21,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:21,436 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:21,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:21,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:21,507 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:21,507 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1905246438] [2022-02-24 03:10:21,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1905246438] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:21,508 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:21,508 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:21,508 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020874697] [2022-02-24 03:10:21,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:21,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:21,508 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:21,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:21,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:21,509 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:21,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:21,600 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2022-02-24 03:10:21,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 03:10:21,600 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-02-24 03:10:21,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:21,601 INFO L225 Difference]: With dead ends: 76 [2022-02-24 03:10:21,601 INFO L226 Difference]: Without dead ends: 74 [2022-02-24 03:10:21,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-24 03:10:21,603 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 234 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:21,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 70 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-24 03:10:21,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-02-24 03:10:21,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-02-24 03:10:21,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 70 states have internal predecessors, (74), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:21,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2022-02-24 03:10:21,632 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 23 [2022-02-24 03:10:21,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:21,632 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2022-02-24 03:10:21,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:21,634 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2022-02-24 03:10:21,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-24 03:10:21,635 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:21,635 INFO L514 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] [2022-02-24 03:10:21,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-24 03:10:21,635 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr16ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:21,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:21,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1944836287, now seen corresponding path program 1 times [2022-02-24 03:10:21,636 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:21,636 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002868650] [2022-02-24 03:10:21,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:21,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:21,640 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:21,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:21,720 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:21,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002868650] [2022-02-24 03:10:21,720 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1002868650] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:21,720 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:21,720 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:21,720 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925160461] [2022-02-24 03:10:21,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:21,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:21,721 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:21,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:21,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:21,721 INFO L87 Difference]: Start difference. First operand 74 states and 77 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:22,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:22,028 INFO L93 Difference]: Finished difference Result 141 states and 147 transitions. [2022-02-24 03:10:22,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-24 03:10:22,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-02-24 03:10:22,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:22,030 INFO L225 Difference]: With dead ends: 141 [2022-02-24 03:10:22,030 INFO L226 Difference]: Without dead ends: 139 [2022-02-24 03:10:22,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-24 03:10:22,031 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 235 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:22,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 125 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 03:10:22,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-02-24 03:10:22,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 77. [2022-02-24 03:10:22,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 73 states have internal predecessors, (79), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:22,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2022-02-24 03:10:22,070 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 26 [2022-02-24 03:10:22,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:22,070 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2022-02-24 03:10:22,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:22,071 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2022-02-24 03:10:22,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-24 03:10:22,071 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:22,071 INFO L514 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] [2022-02-24 03:10:22,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-24 03:10:22,071 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr4ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:22,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:22,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1948570096, now seen corresponding path program 1 times [2022-02-24 03:10:22,072 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:22,072 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [449696865] [2022-02-24 03:10:22,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:22,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:22,074 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:22,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:22,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:22,154 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:22,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [449696865] [2022-02-24 03:10:22,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [449696865] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:22,155 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:22,155 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:22,155 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544321566] [2022-02-24 03:10:22,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:22,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:22,155 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:22,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:22,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:22,156 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:22,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:22,348 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2022-02-24 03:10:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-24 03:10:22,349 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-02-24 03:10:22,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:22,349 INFO L225 Difference]: With dead ends: 108 [2022-02-24 03:10:22,350 INFO L226 Difference]: Without dead ends: 106 [2022-02-24 03:10:22,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-24 03:10:22,350 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 220 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:22,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 81 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:10:22,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-02-24 03:10:22,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 79. [2022-02-24 03:10:22,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 75 states have internal predecessors, (81), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:22,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2022-02-24 03:10:22,366 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 26 [2022-02-24 03:10:22,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:22,367 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2022-02-24 03:10:22,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:22,367 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2022-02-24 03:10:22,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-24 03:10:22,368 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:22,368 INFO L514 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] [2022-02-24 03:10:22,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-24 03:10:22,368 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr17ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:22,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:22,368 INFO L85 PathProgramCache]: Analyzing trace with hash 160385998, now seen corresponding path program 1 times [2022-02-24 03:10:22,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:22,369 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613232911] [2022-02-24 03:10:22,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:22,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:22,370 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:22,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:22,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:22,422 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:22,422 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613232911] [2022-02-24 03:10:22,422 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [613232911] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:22,422 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:22,422 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:22,422 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226828780] [2022-02-24 03:10:22,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:22,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:22,422 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:22,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:22,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:22,423 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:22,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:22,694 INFO L93 Difference]: Finished difference Result 121 states and 127 transitions. [2022-02-24 03:10:22,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 03:10:22,694 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-02-24 03:10:22,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:22,695 INFO L225 Difference]: With dead ends: 121 [2022-02-24 03:10:22,695 INFO L226 Difference]: Without dead ends: 119 [2022-02-24 03:10:22,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-24 03:10:22,696 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 215 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:22,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 104 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 03:10:22,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-02-24 03:10:22,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 77. [2022-02-24 03:10:22,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 73 states have internal predecessors, (79), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:22,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2022-02-24 03:10:22,707 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 27 [2022-02-24 03:10:22,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:22,708 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2022-02-24 03:10:22,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:22,709 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2022-02-24 03:10:22,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-24 03:10:22,711 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:22,711 INFO L514 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] [2022-02-24 03:10:22,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-24 03:10:22,712 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr5ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:22,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:22,712 INFO L85 PathProgramCache]: Analyzing trace with hash 276133967, now seen corresponding path program 1 times [2022-02-24 03:10:22,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:22,712 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [3518348] [2022-02-24 03:10:22,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:22,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:22,714 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:22,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:22,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:22,762 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:22,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [3518348] [2022-02-24 03:10:22,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [3518348] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:22,762 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:22,762 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:22,762 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714682590] [2022-02-24 03:10:22,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:22,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:22,763 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:22,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:22,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:22,763 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:22,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:22,861 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2022-02-24 03:10:22,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 03:10:22,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-02-24 03:10:22,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:22,861 INFO L225 Difference]: With dead ends: 77 [2022-02-24 03:10:22,861 INFO L226 Difference]: Without dead ends: 75 [2022-02-24 03:10:22,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-24 03:10:22,862 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 197 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:22,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 70 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-24 03:10:22,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-02-24 03:10:22,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-02-24 03:10:22,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 71 states have internal predecessors, (77), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:22,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2022-02-24 03:10:22,872 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 80 transitions. Word has length 27 [2022-02-24 03:10:22,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:22,872 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 80 transitions. [2022-02-24 03:10:22,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:22,872 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2022-02-24 03:10:22,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-24 03:10:22,876 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:22,876 INFO L514 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] [2022-02-24 03:10:22,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-24 03:10:22,876 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr6ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:22,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:22,877 INFO L85 PathProgramCache]: Analyzing trace with hash -923129547, now seen corresponding path program 1 times [2022-02-24 03:10:22,877 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:22,877 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [880872523] [2022-02-24 03:10:22,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:22,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:22,878 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:22,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:22,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:22,908 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:22,908 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [880872523] [2022-02-24 03:10:22,908 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [880872523] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:22,908 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:22,908 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 03:10:22,908 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770448237] [2022-02-24 03:10:22,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:22,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 03:10:22,909 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:22,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 03:10:22,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 03:10:22,909 INFO L87 Difference]: Start difference. First operand 75 states and 80 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:22,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:22,981 INFO L93 Difference]: Finished difference Result 115 states and 121 transitions. [2022-02-24 03:10:22,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 03:10:22,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-02-24 03:10:22,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:22,982 INFO L225 Difference]: With dead ends: 115 [2022-02-24 03:10:22,982 INFO L226 Difference]: Without dead ends: 75 [2022-02-24 03:10:22,982 INFO L932 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 [2022-02-24 03:10:22,982 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 71 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:22,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 78 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:10:22,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-02-24 03:10:23,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-02-24 03:10:23,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 60 states have (on average 1.25) internal successors, (75), 71 states have internal predecessors, (75), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2022-02-24 03:10:23,001 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 29 [2022-02-24 03:10:23,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:23,003 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2022-02-24 03:10:23,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,003 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2022-02-24 03:10:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-24 03:10:23,004 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:23,004 INFO L514 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] [2022-02-24 03:10:23,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-24 03:10:23,005 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr6ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:23,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:23,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1988983653, now seen corresponding path program 1 times [2022-02-24 03:10:23,005 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:23,005 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953701474] [2022-02-24 03:10:23,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:23,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:23,007 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:23,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:23,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:23,073 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:23,073 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953701474] [2022-02-24 03:10:23,073 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [953701474] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:23,074 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:23,074 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:23,074 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727724424] [2022-02-24 03:10:23,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:23,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:23,074 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:23,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:23,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:23,074 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:23,174 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2022-02-24 03:10:23,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-24 03:10:23,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-24 03:10:23,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:23,175 INFO L225 Difference]: With dead ends: 76 [2022-02-24 03:10:23,175 INFO L226 Difference]: Without dead ends: 74 [2022-02-24 03:10:23,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-24 03:10:23,175 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 183 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:23,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 62 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:10:23,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-02-24 03:10:23,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2022-02-24 03:10:23,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 69 states have internal predecessors, (73), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 76 transitions. [2022-02-24 03:10:23,187 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 76 transitions. Word has length 30 [2022-02-24 03:10:23,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:23,187 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 76 transitions. [2022-02-24 03:10:23,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2022-02-24 03:10:23,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-24 03:10:23,187 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:23,188 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:10:23,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-24 03:10:23,188 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr16ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:23,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:23,188 INFO L85 PathProgramCache]: Analyzing trace with hash 2054875672, now seen corresponding path program 1 times [2022-02-24 03:10:23,188 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:23,189 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861749032] [2022-02-24 03:10:23,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:23,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:23,190 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:23,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:23,228 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:23,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861749032] [2022-02-24 03:10:23,228 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [861749032] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:23,228 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:23,228 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:23,228 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052442098] [2022-02-24 03:10:23,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:23,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:23,229 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:23,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:23,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:23,229 INFO L87 Difference]: Start difference. First operand 73 states and 76 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:23,349 INFO L93 Difference]: Finished difference Result 111 states and 115 transitions. [2022-02-24 03:10:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-24 03:10:23,349 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-24 03:10:23,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:23,350 INFO L225 Difference]: With dead ends: 111 [2022-02-24 03:10:23,350 INFO L226 Difference]: Without dead ends: 109 [2022-02-24 03:10:23,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-24 03:10:23,350 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 146 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:23,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 92 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:10:23,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-02-24 03:10:23,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 70. [2022-02-24 03:10:23,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 66 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 73 transitions. [2022-02-24 03:10:23,362 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 73 transitions. Word has length 30 [2022-02-24 03:10:23,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:23,363 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 73 transitions. [2022-02-24 03:10:23,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 73 transitions. [2022-02-24 03:10:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-02-24 03:10:23,363 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:23,363 INFO L514 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] [2022-02-24 03:10:23,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-24 03:10:23,363 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr7ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:23,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:23,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1528947946, now seen corresponding path program 1 times [2022-02-24 03:10:23,364 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:23,364 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579691666] [2022-02-24 03:10:23,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:23,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:23,365 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:23,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:23,397 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:23,397 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579691666] [2022-02-24 03:10:23,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [579691666] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:23,397 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:23,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:23,397 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376250433] [2022-02-24 03:10:23,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:23,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:23,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:23,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:23,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:23,398 INFO L87 Difference]: Start difference. First operand 70 states and 73 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:23,470 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2022-02-24 03:10:23,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 03:10:23,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-02-24 03:10:23,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:23,471 INFO L225 Difference]: With dead ends: 70 [2022-02-24 03:10:23,471 INFO L226 Difference]: Without dead ends: 68 [2022-02-24 03:10:23,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-24 03:10:23,472 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 170 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:23,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 60 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-24 03:10:23,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-02-24 03:10:23,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-02-24 03:10:23,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 64 states have internal predecessors, (68), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 71 transitions. [2022-02-24 03:10:23,483 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 71 transitions. Word has length 31 [2022-02-24 03:10:23,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:23,483 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 71 transitions. [2022-02-24 03:10:23,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2022-02-24 03:10:23,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-02-24 03:10:23,484 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:23,484 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:10:23,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-24 03:10:23,484 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr4ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:23,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:23,485 INFO L85 PathProgramCache]: Analyzing trace with hash -726812143, now seen corresponding path program 1 times [2022-02-24 03:10:23,485 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:23,485 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2121517831] [2022-02-24 03:10:23,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:23,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:23,486 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:23,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:23,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:23,536 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:23,536 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2121517831] [2022-02-24 03:10:23,536 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2121517831] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:23,536 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:23,536 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:23,537 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659286937] [2022-02-24 03:10:23,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:23,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:23,537 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:23,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:23,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:23,537 INFO L87 Difference]: Start difference. First operand 68 states and 71 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:23,607 INFO L93 Difference]: Finished difference Result 69 states and 72 transitions. [2022-02-24 03:10:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-24 03:10:23,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-02-24 03:10:23,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:23,608 INFO L225 Difference]: With dead ends: 69 [2022-02-24 03:10:23,608 INFO L226 Difference]: Without dead ends: 67 [2022-02-24 03:10:23,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-24 03:10:23,609 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 166 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:23,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 56 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-24 03:10:23,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-02-24 03:10:23,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 62. [2022-02-24 03:10:23,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 51 states have (on average 1.196078431372549) internal successors, (61), 58 states have internal predecessors, (61), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2022-02-24 03:10:23,619 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 31 [2022-02-24 03:10:23,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:23,619 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2022-02-24 03:10:23,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,619 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2022-02-24 03:10:23,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-24 03:10:23,620 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:23,620 INFO L514 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] [2022-02-24 03:10:23,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-24 03:10:23,620 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr8ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:23,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:23,620 INFO L85 PathProgramCache]: Analyzing trace with hash -756981884, now seen corresponding path program 1 times [2022-02-24 03:10:23,620 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:23,620 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1829947607] [2022-02-24 03:10:23,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:23,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:23,621 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:23,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:23,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:23,678 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:23,678 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1829947607] [2022-02-24 03:10:23,678 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1829947607] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:23,678 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:23,678 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:23,678 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94926714] [2022-02-24 03:10:23,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:23,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:23,678 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:23,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:23,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:23,679 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:23,760 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2022-02-24 03:10:23,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-24 03:10:23,760 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-02-24 03:10:23,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:23,761 INFO L225 Difference]: With dead ends: 63 [2022-02-24 03:10:23,761 INFO L226 Difference]: Without dead ends: 61 [2022-02-24 03:10:23,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-24 03:10:23,761 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 119 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:23,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 59 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-24 03:10:23,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-02-24 03:10:23,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2022-02-24 03:10:23,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 50 states have (on average 1.18) internal successors, (59), 56 states have internal predecessors, (59), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2022-02-24 03:10:23,770 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 34 [2022-02-24 03:10:23,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:23,771 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2022-02-24 03:10:23,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,771 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2022-02-24 03:10:23,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-02-24 03:10:23,771 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:23,771 INFO L514 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] [2022-02-24 03:10:23,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-24 03:10:23,771 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr9ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:23,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:23,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1991598751, now seen corresponding path program 1 times [2022-02-24 03:10:23,772 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:23,772 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [680998151] [2022-02-24 03:10:23,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:23,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:23,773 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:23,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:23,808 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:23,808 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [680998151] [2022-02-24 03:10:23,808 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [680998151] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:23,808 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:23,808 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-24 03:10:23,808 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374599882] [2022-02-24 03:10:23,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:23,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-24 03:10:23,808 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:23,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-24 03:10:23,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-24 03:10:23,809 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:23,907 INFO L93 Difference]: Finished difference Result 71 states and 74 transitions. [2022-02-24 03:10:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-24 03:10:23,907 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-02-24 03:10:23,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:23,907 INFO L225 Difference]: With dead ends: 71 [2022-02-24 03:10:23,908 INFO L226 Difference]: Without dead ends: 69 [2022-02-24 03:10:23,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-24 03:10:23,908 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 177 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:23,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 57 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:10:23,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-02-24 03:10:23,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 58. [2022-02-24 03:10:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 49 states have (on average 1.163265306122449) internal successors, (57), 54 states have internal predecessors, (57), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2022-02-24 03:10:23,917 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 35 [2022-02-24 03:10:23,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:23,917 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2022-02-24 03:10:23,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:23,917 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2022-02-24 03:10:23,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-24 03:10:23,917 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:23,917 INFO L514 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] [2022-02-24 03:10:23,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-24 03:10:23,918 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting mainErr10ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:23,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:23,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1037071699, now seen corresponding path program 1 times [2022-02-24 03:10:23,918 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:23,918 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [585871198] [2022-02-24 03:10:23,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:23,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:23,919 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:23,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:23,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:23,962 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:23,962 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [585871198] [2022-02-24 03:10:23,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [585871198] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:23,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:23,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:23,962 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264213496] [2022-02-24 03:10:23,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:23,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:23,962 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:23,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:23,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:23,963 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:24,123 INFO L93 Difference]: Finished difference Result 91 states and 95 transitions. [2022-02-24 03:10:24,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-24 03:10:24,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-02-24 03:10:24,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:24,124 INFO L225 Difference]: With dead ends: 91 [2022-02-24 03:10:24,124 INFO L226 Difference]: Without dead ends: 89 [2022-02-24 03:10:24,124 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-02-24 03:10:24,124 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 178 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:24,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 60 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:10:24,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-02-24 03:10:24,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 61. [2022-02-24 03:10:24,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 57 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2022-02-24 03:10:24,135 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 38 [2022-02-24 03:10:24,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:24,135 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2022-02-24 03:10:24,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,135 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2022-02-24 03:10:24,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-24 03:10:24,135 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:24,135 INFO L514 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] [2022-02-24 03:10:24,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-24 03:10:24,136 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting mainErr11ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:24,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:24,136 INFO L85 PathProgramCache]: Analyzing trace with hash -2084448405, now seen corresponding path program 1 times [2022-02-24 03:10:24,136 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:24,136 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [517933809] [2022-02-24 03:10:24,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:24,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:24,137 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:24,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:24,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:24,183 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:24,183 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [517933809] [2022-02-24 03:10:24,183 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [517933809] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:24,183 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:24,183 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:24,183 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243314959] [2022-02-24 03:10:24,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:24,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:24,183 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:24,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:24,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:24,184 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:24,293 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2022-02-24 03:10:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 03:10:24,294 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-02-24 03:10:24,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:24,294 INFO L225 Difference]: With dead ends: 61 [2022-02-24 03:10:24,294 INFO L226 Difference]: Without dead ends: 59 [2022-02-24 03:10:24,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-24 03:10:24,295 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 110 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:24,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 67 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-24 03:10:24,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-02-24 03:10:24,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-02-24 03:10:24,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 51 states have (on average 1.1372549019607843) internal successors, (58), 55 states have internal predecessors, (58), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2022-02-24 03:10:24,304 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 39 [2022-02-24 03:10:24,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:24,305 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2022-02-24 03:10:24,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,305 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2022-02-24 03:10:24,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-02-24 03:10:24,305 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:24,305 INFO L514 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] [2022-02-24 03:10:24,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-24 03:10:24,305 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting mainErr12ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:24,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:24,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1700057906, now seen corresponding path program 1 times [2022-02-24 03:10:24,306 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:24,306 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555826984] [2022-02-24 03:10:24,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:24,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:24,307 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:24,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:24,345 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:24,345 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555826984] [2022-02-24 03:10:24,345 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1555826984] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:24,346 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:24,346 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 03:10:24,346 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764129065] [2022-02-24 03:10:24,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:24,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 03:10:24,346 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:24,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 03:10:24,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 03:10:24,346 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:24,440 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2022-02-24 03:10:24,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 03:10:24,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2022-02-24 03:10:24,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:24,441 INFO L225 Difference]: With dead ends: 70 [2022-02-24 03:10:24,441 INFO L226 Difference]: Without dead ends: 68 [2022-02-24 03:10:24,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-24 03:10:24,442 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 74 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:24,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 77 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:10:24,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-02-24 03:10:24,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 57. [2022-02-24 03:10:24,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 50 states have (on average 1.12) internal successors, (56), 53 states have internal predecessors, (56), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2022-02-24 03:10:24,451 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 41 [2022-02-24 03:10:24,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:24,451 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2022-02-24 03:10:24,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2022-02-24 03:10:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-24 03:10:24,451 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:24,451 INFO L514 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] [2022-02-24 03:10:24,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-24 03:10:24,451 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting mainErr13ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:24,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:24,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1162184327, now seen corresponding path program 1 times [2022-02-24 03:10:24,452 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:24,452 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1761180548] [2022-02-24 03:10:24,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:24,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:24,453 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:24,485 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:24,485 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1761180548] [2022-02-24 03:10:24,485 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1761180548] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:24,485 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:24,485 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:24,485 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895910169] [2022-02-24 03:10:24,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:24,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:24,486 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:24,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:24,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:24,486 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:24,595 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2022-02-24 03:10:24,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 03:10:24,596 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2022-02-24 03:10:24,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:24,596 INFO L225 Difference]: With dead ends: 66 [2022-02-24 03:10:24,596 INFO L226 Difference]: Without dead ends: 64 [2022-02-24 03:10:24,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-24 03:10:24,597 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 91 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:24,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 74 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:10:24,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-02-24 03:10:24,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55. [2022-02-24 03:10:24,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 51 states have internal predecessors, (54), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2022-02-24 03:10:24,606 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 42 [2022-02-24 03:10:24,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:24,606 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2022-02-24 03:10:24,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,606 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2022-02-24 03:10:24,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-24 03:10:24,606 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:24,606 INFO L514 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] [2022-02-24 03:10:24,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-24 03:10:24,607 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting mainErr14ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:24,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:24,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1667972556, now seen corresponding path program 1 times [2022-02-24 03:10:24,607 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:24,607 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351877151] [2022-02-24 03:10:24,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:24,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:24,608 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:24,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:24,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:24,650 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:24,650 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351877151] [2022-02-24 03:10:24,651 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [351877151] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:24,651 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:24,651 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:24,651 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586239468] [2022-02-24 03:10:24,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:24,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:24,651 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:24,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:24,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:24,652 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:24,843 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2022-02-24 03:10:24,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-24 03:10:24,843 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2022-02-24 03:10:24,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:24,844 INFO L225 Difference]: With dead ends: 88 [2022-02-24 03:10:24,844 INFO L226 Difference]: Without dead ends: 86 [2022-02-24 03:10:24,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-02-24 03:10:24,844 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 123 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:24,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 62 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:10:24,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-02-24 03:10:24,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 60. [2022-02-24 03:10:24,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 54 states have (on average 1.1111111111111112) internal successors, (60), 56 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2022-02-24 03:10:24,855 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 43 [2022-02-24 03:10:24,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:24,856 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2022-02-24 03:10:24,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2022-02-24 03:10:24,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-24 03:10:24,856 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:24,856 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:10:24,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-24 03:10:24,856 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting mainErr10ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:24,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:24,857 INFO L85 PathProgramCache]: Analyzing trace with hash 651621684, now seen corresponding path program 1 times [2022-02-24 03:10:24,857 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:24,857 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57766642] [2022-02-24 03:10:24,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:24,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:24,858 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:24,896 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:24,896 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57766642] [2022-02-24 03:10:24,896 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [57766642] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:24,896 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:24,896 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:24,896 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173013291] [2022-02-24 03:10:24,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:24,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:24,897 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:24,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:24,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:24,897 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:24,973 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2022-02-24 03:10:24,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-24 03:10:24,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-02-24 03:10:24,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:24,974 INFO L225 Difference]: With dead ends: 60 [2022-02-24 03:10:24,974 INFO L226 Difference]: Without dead ends: 58 [2022-02-24 03:10:24,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-24 03:10:24,976 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 95 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:24,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 44 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-24 03:10:24,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-02-24 03:10:24,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-02-24 03:10:24,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 54 states have internal predecessors, (58), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 61 transitions. [2022-02-24 03:10:24,986 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 61 transitions. Word has length 44 [2022-02-24 03:10:24,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:24,986 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 61 transitions. [2022-02-24 03:10:24,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:24,986 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2022-02-24 03:10:24,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-24 03:10:24,986 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:24,987 INFO L514 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] [2022-02-24 03:10:24,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-24 03:10:24,987 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting mainErr15ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:24,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:24,987 INFO L85 PathProgramCache]: Analyzing trace with hash -167538465, now seen corresponding path program 1 times [2022-02-24 03:10:24,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:24,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939981195] [2022-02-24 03:10:24,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:24,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:24,989 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:25,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:25,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:25,045 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:25,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939981195] [2022-02-24 03:10:25,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1939981195] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:25,045 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:25,045 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:25,046 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572626371] [2022-02-24 03:10:25,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:25,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:25,046 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:25,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:25,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:25,047 INFO L87 Difference]: Start difference. First operand 58 states and 61 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:25,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:25,167 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2022-02-24 03:10:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 03:10:25,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-02-24 03:10:25,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:25,169 INFO L225 Difference]: With dead ends: 69 [2022-02-24 03:10:25,170 INFO L226 Difference]: Without dead ends: 67 [2022-02-24 03:10:25,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-24 03:10:25,170 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 73 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:25,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 65 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:10:25,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-02-24 03:10:25,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 56. [2022-02-24 03:10:25,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 52 states have internal predecessors, (56), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:25,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2022-02-24 03:10:25,184 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 44 [2022-02-24 03:10:25,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:25,184 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2022-02-24 03:10:25,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:25,184 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2022-02-24 03:10:25,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-02-24 03:10:25,185 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:10:25,185 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:10:25,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-24 03:10:25,185 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting mainErr14ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-24 03:10:25,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:10:25,185 INFO L85 PathProgramCache]: Analyzing trace with hash -799157235, now seen corresponding path program 1 times [2022-02-24 03:10:25,185 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:10:25,185 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [905084222] [2022-02-24 03:10:25,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:10:25,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:10:25,187 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:10:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:25,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:10:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:10:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:10:25,248 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:10:25,248 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [905084222] [2022-02-24 03:10:25,248 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [905084222] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:10:25,248 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:10:25,248 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:10:25,249 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245817620] [2022-02-24 03:10:25,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:10:25,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:10:25,249 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:10:25,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:10:25,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:10:25,249 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:25,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:10:25,411 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2022-02-24 03:10:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-24 03:10:25,411 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2022-02-24 03:10:25,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:10:25,411 INFO L225 Difference]: With dead ends: 75 [2022-02-24 03:10:25,411 INFO L226 Difference]: Without dead ends: 0 [2022-02-24 03:10:25,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-02-24 03:10:25,412 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 88 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:10:25,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 55 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:10:25,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-24 03:10:25,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-24 03:10:25,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-24 03:10:25,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-24 03:10:25,413 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2022-02-24 03:10:25,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:10:25,413 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-24 03:10:25,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:10:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-24 03:10:25,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-24 03:10:25,415 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 18 remaining) [2022-02-24 03:10:25,415 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr1ASSERT_VIOLATIONERROR_FUNCTION (16 of 18 remaining) [2022-02-24 03:10:25,415 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr2ASSERT_VIOLATIONERROR_FUNCTION (15 of 18 remaining) [2022-02-24 03:10:25,415 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr3ASSERT_VIOLATIONERROR_FUNCTION (14 of 18 remaining) [2022-02-24 03:10:25,415 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr4ASSERT_VIOLATIONERROR_FUNCTION (13 of 18 remaining) [2022-02-24 03:10:25,415 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr5ASSERT_VIOLATIONERROR_FUNCTION (12 of 18 remaining) [2022-02-24 03:10:25,415 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr6ASSERT_VIOLATIONERROR_FUNCTION (11 of 18 remaining) [2022-02-24 03:10:25,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr7ASSERT_VIOLATIONERROR_FUNCTION (10 of 18 remaining) [2022-02-24 03:10:25,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr8ASSERT_VIOLATIONERROR_FUNCTION (9 of 18 remaining) [2022-02-24 03:10:25,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr9ASSERT_VIOLATIONERROR_FUNCTION (8 of 18 remaining) [2022-02-24 03:10:25,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr10ASSERT_VIOLATIONERROR_FUNCTION (7 of 18 remaining) [2022-02-24 03:10:25,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr11ASSERT_VIOLATIONERROR_FUNCTION (6 of 18 remaining) [2022-02-24 03:10:25,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr12ASSERT_VIOLATIONERROR_FUNCTION (5 of 18 remaining) [2022-02-24 03:10:25,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr13ASSERT_VIOLATIONERROR_FUNCTION (4 of 18 remaining) [2022-02-24 03:10:25,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr14ASSERT_VIOLATIONERROR_FUNCTION (3 of 18 remaining) [2022-02-24 03:10:25,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr15ASSERT_VIOLATIONERROR_FUNCTION (2 of 18 remaining) [2022-02-24 03:10:25,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr16ASSERT_VIOLATIONERROR_FUNCTION (1 of 18 remaining) [2022-02-24 03:10:25,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr17ASSERT_VIOLATIONERROR_FUNCTION (0 of 18 remaining) [2022-02-24 03:10:25,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-24 03:10:25,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-24 03:11:02,110 WARN L232 SmtUtils]: Spent 22.48s on a formula simplification. DAG size of input: 130 DAG size of output: 125 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-02-24 03:11:12,503 INFO L858 garLoopResultBuilder]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2022-02-24 03:11:12,503 INFO L858 garLoopResultBuilder]: For program point reach_errorENTRY(line 4) no Hoare annotation was computed. [2022-02-24 03:11:12,503 INFO L858 garLoopResultBuilder]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2022-02-24 03:11:12,503 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 6 8) no Hoare annotation was computed. [2022-02-24 03:11:12,503 INFO L858 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2022-02-24 03:11:12,503 INFO L858 garLoopResultBuilder]: For program point L7-2(lines 6 8) no Hoare annotation was computed. [2022-02-24 03:11:12,503 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 6 8) no Hoare annotation was computed. [2022-02-24 03:11:12,504 INFO L854 garLoopResultBuilder]: At program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 125) the Hoare annotation is: false [2022-02-24 03:11:12,504 INFO L854 garLoopResultBuilder]: At program point mainEXIT(lines 13 439) the Hoare annotation is: (or (not (= main_~__VERIFIER_assert__cond~0 0)) (= |old(~__return_375~0)| ~__return_375~0)) [2022-02-24 03:11:12,504 INFO L854 garLoopResultBuilder]: At program point L374(line 374) the Hoare annotation is: false [2022-02-24 03:11:12,504 INFO L854 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: false [2022-02-24 03:11:12,504 INFO L854 garLoopResultBuilder]: At program point L308(line 308) the Hoare annotation is: false [2022-02-24 03:11:12,504 INFO L854 garLoopResultBuilder]: At program point L143(lines 143 362) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~4 0)) (= main_~__VERIFIER_assert__cond~3 1) (not (<= main_~main__urilen~0 main_~main__cp~0)) (let ((.cse0 (not (<= main_~main__scheme~0 0))) (.cse1 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse2 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse3 (= |old(~__return_375~0)| ~__return_375~0)) (.cse4 (<= 1 main_~main__cp~0)) (.cse5 (not (= main_~__VERIFIER_assert__cond~2 0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= main_~__VERIFIER_assert__cond~2 1) .cse4 .cse5) (and .cse0 .cse1 .cse2 (not (= main_~__VERIFIER_assert__cond~16 0)) .cse3 .cse4 .cse5)))) [2022-02-24 03:11:12,504 INFO L854 garLoopResultBuilder]: At program point L234(lines 234 338) the Hoare annotation is: (let ((.cse2 (= main_~__VERIFIER_assert__cond~9 1)) (.cse3 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse4 (not (= main_~__VERIFIER_assert__cond~4 0))) (.cse5 (not (= main_~__VERIFIER_assert__cond~7 0))) (.cse6 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse7 (= main_~__VERIFIER_assert__cond~3 1)) (.cse8 (= |old(~__return_375~0)| ~__return_375~0)) (.cse0 (= main_~main__c~0 0)) (.cse16 (< (+ main_~main__cp~0 1) main_~main__urilen~0)) (.cse11 (not (= main_~__VERIFIER_assert__cond~5 0))) (.cse12 (< 0 main_~main__scheme~0)) (.cse13 (not (= main_~__VERIFIER_assert__cond~6 0))) (.cse14 (<= 1 main_~main__cp~0)) (.cse15 (not (= main_~__VERIFIER_assert__cond~2 0)))) (or (and (let ((.cse1 (let ((.cse9 (not (= main_~__VERIFIER_assert__cond~8 0))) (.cse10 (not (= main_~__VERIFIER_assert__cond~11 0)))) (or (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (= main_~__VERIFIER_assert__cond~12 0)) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (<= (+ 2 main_~main__c~0) main_~main__tokenlen~0)))))) (or (and .cse0 .cse1) (and (not (= main_~__VERIFIER_assert__cond~13 0)) (<= 1 main_~main__c~0) .cse1))) (not (= main_~__VERIFIER_assert__cond~10 0)) .cse16) (and .cse2 .cse3 (= main_~__VERIFIER_assert__cond~8 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse0 .cse16 .cse11 .cse12 .cse13 .cse14 .cse15))) [2022-02-24 03:11:12,504 INFO L854 garLoopResultBuilder]: At program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 255) the Hoare annotation is: false [2022-02-24 03:11:12,504 INFO L854 garLoopResultBuilder]: At program point L135(lines 135 397) the Hoare annotation is: (and (let ((.cse0 (not (<= main_~main__scheme~0 0))) (.cse1 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse2 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse3 (= main_~__VERIFIER_assert__cond~3 1)) (.cse4 (<= 1 main_~main__cp~0)) (.cse5 (not (= main_~__VERIFIER_assert__cond~2 0)))) (or (and .cse0 .cse1 (not (= main_~__VERIFIER_assert__cond~17 0)) .cse2 .cse3 (not (= main_~__VERIFIER_assert__cond~16 0)) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (= main_~__VERIFIER_assert__cond~2 1) .cse4 .cse5))) (= |old(~__return_375~0)| ~__return_375~0) (< (+ main_~main__cp~0 1) main_~main__urilen~0)) [2022-02-24 03:11:12,504 INFO L854 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: false [2022-02-24 03:11:12,505 INFO L854 garLoopResultBuilder]: At program point L61(lines 61 427) the Hoare annotation is: (= |old(~__return_375~0)| ~__return_375~0) [2022-02-24 03:11:12,505 INFO L854 garLoopResultBuilder]: At program point L284(line 284) the Hoare annotation is: false [2022-02-24 03:11:12,505 INFO L854 garLoopResultBuilder]: At program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 177) the Hoare annotation is: false [2022-02-24 03:11:12,505 INFO L854 garLoopResultBuilder]: At program point L53(lines 53 433) the Hoare annotation is: (= |old(~__return_375~0)| ~__return_375~0) [2022-02-24 03:11:12,505 INFO L854 garLoopResultBuilder]: At program point L243(line 243) the Hoare annotation is: false [2022-02-24 03:11:12,505 INFO L854 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: false [2022-02-24 03:11:12,505 INFO L854 garLoopResultBuilder]: At program point L111(lines 111 405) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~1 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (= |old(~__return_375~0)| ~__return_375~0) (= main_~__VERIFIER_assert__cond~2 1) (< 0 main_~main__scheme~0) (<= 1 main_~main__cp~0)) [2022-02-24 03:11:12,505 INFO L854 garLoopResultBuilder]: At program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 296) the Hoare annotation is: false [2022-02-24 03:11:12,505 INFO L854 garLoopResultBuilder]: At program point L392(lines 129 403) the Hoare annotation is: (and (let ((.cse0 (not (<= main_~main__scheme~0 0))) (.cse1 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse2 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse3 (= main_~__VERIFIER_assert__cond~3 1)) (.cse4 (<= 1 main_~main__cp~0)) (.cse5 (not (= main_~__VERIFIER_assert__cond~2 0)))) (or (and .cse0 .cse1 (not (= main_~__VERIFIER_assert__cond~17 0)) .cse2 .cse3 (not (= main_~__VERIFIER_assert__cond~16 0)) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (= main_~__VERIFIER_assert__cond~2 1) .cse4 .cse5))) (< main_~main__cp~0 main_~main__urilen~0) (= |old(~__return_375~0)| ~__return_375~0)) [2022-02-24 03:11:12,505 INFO L854 garLoopResultBuilder]: At program point L194(lines 194 354) the Hoare annotation is: (and (let ((.cse0 (not (<= main_~main__scheme~0 0))) (.cse1 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse2 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse3 (<= 1 main_~main__cp~0)) (.cse4 (not (= main_~__VERIFIER_assert__cond~2 0)))) (or (and .cse0 .cse1 .cse2 (= main_~__VERIFIER_assert__cond~2 1) .cse3 .cse4) (and .cse0 .cse1 .cse2 (not (= main_~__VERIFIER_assert__cond~16 0)) .cse3 .cse4))) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (= main_~__VERIFIER_assert__cond~3 1) (= |old(~__return_375~0)| ~__return_375~0) (< (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= main_~__VERIFIER_assert__cond~5 0)) (not (= main_~__VERIFIER_assert__cond~6 0))) [2022-02-24 03:11:12,505 INFO L854 garLoopResultBuilder]: At program point L384(lines 384 393) the Hoare annotation is: (and (not (<= main_~main__scheme~0 0)) (not (= main_~__VERIFIER_assert__cond~1 0)) (not (= main_~__VERIFIER_assert__cond~17 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (= main_~__VERIFIER_assert__cond~3 1) (not (= main_~__VERIFIER_assert__cond~16 0)) (= |old(~__return_375~0)| ~__return_375~0) (< (+ main_~main__cp~0 1) main_~main__urilen~0) (<= 1 main_~main__cp~0) (not (= main_~__VERIFIER_assert__cond~2 0))) [2022-02-24 03:11:12,505 INFO L854 garLoopResultBuilder]: At program point L95(lines 95 412) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~1 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (= |old(~__return_375~0)| ~__return_375~0) (< 0 main_~main__scheme~0) (<= 1 main_~main__cp~0)) [2022-02-24 03:11:12,505 INFO L854 garLoopResultBuilder]: At program point L29(lines 29 437) the Hoare annotation is: (= |old(~__return_375~0)| ~__return_375~0) [2022-02-24 03:11:12,506 INFO L854 garLoopResultBuilder]: At program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 157) the Hoare annotation is: false [2022-02-24 03:11:12,506 INFO L854 garLoopResultBuilder]: At program point L145(line 145) the Hoare annotation is: false [2022-02-24 03:11:12,506 INFO L854 garLoopResultBuilder]: At program point L401(lines 131 402) the Hoare annotation is: (and (let ((.cse0 (not (<= main_~main__scheme~0 0))) (.cse1 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse2 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse3 (<= 1 main_~main__cp~0)) (.cse4 (not (= main_~__VERIFIER_assert__cond~2 0)))) (or (and .cse0 .cse1 .cse2 (= main_~__VERIFIER_assert__cond~2 1) .cse3 .cse4) (and .cse0 .cse1 .cse2 (not (= main_~__VERIFIER_assert__cond~16 0)) .cse3 .cse4))) (= main_~__VERIFIER_assert__cond~3 1) (= |old(~__return_375~0)| ~__return_375~0) (not (<= main_~main__urilen~0 main_~main__cp~0))) [2022-02-24 03:11:12,506 INFO L854 garLoopResultBuilder]: At program point mainFINAL(lines 13 439) the Hoare annotation is: (or (not (= main_~__VERIFIER_assert__cond~0 0)) (= |old(~__return_375~0)| ~__return_375~0)) [2022-02-24 03:11:12,506 INFO L854 garLoopResultBuilder]: At program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 284) the Hoare annotation is: false [2022-02-24 03:11:12,506 INFO L854 garLoopResultBuilder]: At program point L104(lines 104 411) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~1 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (= |old(~__return_375~0)| ~__return_375~0) (< 0 main_~main__scheme~0) (<= 1 main_~main__cp~0)) [2022-02-24 03:11:12,506 INFO L854 garLoopResultBuilder]: At program point L71(lines 71 416) the Hoare annotation is: (and (= |old(~__return_375~0)| ~__return_375~0) (< 0 main_~main__scheme~0)) [2022-02-24 03:11:12,506 INFO L854 garLoopResultBuilder]: At program point L327(lines 262 328) the Hoare annotation is: (and (let ((.cse0 (let ((.cse1 (= main_~__VERIFIER_assert__cond~9 1)) (.cse2 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse3 (not (= main_~__VERIFIER_assert__cond~4 0))) (.cse4 (not (= main_~__VERIFIER_assert__cond~7 0))) (.cse5 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse6 (= main_~__VERIFIER_assert__cond~3 1)) (.cse7 (not (= main_~__VERIFIER_assert__cond~9 0))) (.cse8 (= |old(~__return_375~0)| ~__return_375~0)) (.cse9 (not (= main_~__VERIFIER_assert__cond~8 0))) (.cse10 (not (= main_~__VERIFIER_assert__cond~11 0))) (.cse11 (< (+ main_~main__cp~0 1) main_~main__urilen~0)) (.cse12 (not (= main_~__VERIFIER_assert__cond~5 0))) (.cse13 (< 0 main_~main__scheme~0)) (.cse14 (not (= main_~__VERIFIER_assert__cond~6 0))) (.cse15 (<= 1 main_~main__cp~0)) (.cse16 (not (= main_~__VERIFIER_assert__cond~2 0)))) (or (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (= main_~__VERIFIER_assert__cond~12 0)) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (<= (+ 2 main_~main__c~0) main_~main__tokenlen~0)))))) (or (and (= main_~main__c~0 0) .cse0) (and (not (= main_~__VERIFIER_assert__cond~13 0)) (<= 1 main_~main__c~0) .cse0))) (= main_~__VERIFIER_assert__cond~10 1)) [2022-02-24 03:11:12,506 INFO L854 garLoopResultBuilder]: At program point L294(lines 294 318) the Hoare annotation is: (and (= main_~__VERIFIER_assert__cond~9 1) (not (= main_~__VERIFIER_assert__cond~1 0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (= main_~__VERIFIER_assert__cond~3 1) (not (= main_~__VERIFIER_assert__cond~14 0)) (= |old(~__return_375~0)| ~__return_375~0) (<= 1 main_~main__c~0) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (< (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= main_~__VERIFIER_assert__cond~5 0)) (< 0 main_~main__scheme~0) (= main_~__VERIFIER_assert__cond~10 1) (not (= main_~__VERIFIER_assert__cond~6 0)) (<= 1 main_~main__cp~0) (not (= main_~__VERIFIER_assert__cond~2 0))) [2022-02-24 03:11:12,506 INFO L854 garLoopResultBuilder]: At program point L162(lines 162 359) the Hoare annotation is: (let ((.cse0 (let ((.cse6 (not (<= main_~main__scheme~0 0))) (.cse7 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse8 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse9 (<= 1 main_~main__cp~0)) (.cse10 (not (= main_~__VERIFIER_assert__cond~2 0)))) (or (and .cse6 .cse7 .cse8 (= main_~__VERIFIER_assert__cond~2 1) (not (<= main_~main__urilen~0 main_~main__cp~0)) .cse9 .cse10) (and .cse6 .cse7 .cse8 (not (= main_~__VERIFIER_assert__cond~16 0)) .cse9 .cse10)))) (.cse2 (not (= main_~__VERIFIER_assert__cond~4 0))) (.cse3 (= main_~__VERIFIER_assert__cond~3 1)) (.cse4 (= |old(~__return_375~0)| ~__return_375~0)) (.cse1 (+ main_~main__cp~0 1)) (.cse5 (not (= main_~__VERIFIER_assert__cond~5 0)))) (or (and .cse0 (= main_~main__urilen~0 .cse1) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 (< .cse1 main_~main__urilen~0) .cse5))) [2022-02-24 03:11:12,506 INFO L854 garLoopResultBuilder]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 85) the Hoare annotation is: false [2022-02-24 03:11:12,506 INFO L854 garLoopResultBuilder]: At program point L63(lines 63 422) the Hoare annotation is: (= |old(~__return_375~0)| ~__return_375~0) [2022-02-24 03:11:12,506 INFO L854 garLoopResultBuilder]: At program point mainENTRY(lines 13 439) the Hoare annotation is: (= |old(~__return_375~0)| ~__return_375~0) [2022-02-24 03:11:12,507 INFO L854 garLoopResultBuilder]: At program point L253(lines 253 329) the Hoare annotation is: (and (= main_~__VERIFIER_assert__cond~10 1) (let ((.cse0 (= main_~__VERIFIER_assert__cond~9 1)) (.cse1 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse2 (not (= main_~__VERIFIER_assert__cond~4 0))) (.cse3 (not (= main_~__VERIFIER_assert__cond~7 0))) (.cse4 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse5 (= main_~__VERIFIER_assert__cond~3 1)) (.cse6 (= |old(~__return_375~0)| ~__return_375~0)) (.cse7 (not (= main_~__VERIFIER_assert__cond~8 0))) (.cse8 (not (= main_~__VERIFIER_assert__cond~11 0))) (.cse9 (< (+ main_~main__cp~0 1) main_~main__urilen~0)) (.cse10 (not (= main_~__VERIFIER_assert__cond~5 0))) (.cse11 (< 0 main_~main__scheme~0)) (.cse12 (not (= main_~__VERIFIER_assert__cond~6 0))) (.cse13 (<= 1 main_~main__cp~0)) (.cse14 (not (= main_~__VERIFIER_assert__cond~2 0))) (.cse15 (<= (+ 2 main_~main__c~0) main_~main__tokenlen~0))) (or (and .cse0 .cse1 (not (= main_~__VERIFIER_assert__cond~13 0)) .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 main_~main__c~0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= main_~main__c~0 0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15)))) [2022-02-24 03:11:12,507 INFO L854 garLoopResultBuilder]: At program point L187(lines 187 355) the Hoare annotation is: (and (let ((.cse0 (not (<= main_~main__scheme~0 0))) (.cse1 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse2 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse3 (<= 1 main_~main__cp~0)) (.cse4 (not (= main_~__VERIFIER_assert__cond~2 0)))) (or (and .cse0 .cse1 .cse2 (= main_~__VERIFIER_assert__cond~2 1) .cse3 .cse4) (and .cse0 .cse1 .cse2 (not (= main_~__VERIFIER_assert__cond~16 0)) .cse3 .cse4))) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (= main_~__VERIFIER_assert__cond~3 1) (= |old(~__return_375~0)| ~__return_375~0) (< (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= main_~__VERIFIER_assert__cond~5 0)) (not (= main_~__VERIFIER_assert__cond~6 0))) [2022-02-24 03:11:12,507 INFO L854 garLoopResultBuilder]: At program point L410(lines 104 411) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~0 0)) (= |old(~__return_375~0)| ~__return_375~0)) [2022-02-24 03:11:12,507 INFO L854 garLoopResultBuilder]: At program point L212(lines 212 346) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~1 0)) (= main_~__VERIFIER_assert__cond~8 1) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (= main_~__VERIFIER_assert__cond~3 1) (= |old(~__return_375~0)| ~__return_375~0) (= main_~main__c~0 0) (< (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= main_~__VERIFIER_assert__cond~5 0)) (< 0 main_~main__scheme~0) (not (= main_~__VERIFIER_assert__cond~6 0)) (<= 1 main_~main__cp~0) (not (= main_~__VERIFIER_assert__cond~2 0))) [2022-02-24 03:11:12,507 INFO L854 garLoopResultBuilder]: At program point L113(line 113) the Hoare annotation is: false [2022-02-24 03:11:12,507 INFO L854 garLoopResultBuilder]: At program point L47(lines 47 434) the Hoare annotation is: (= |old(~__return_375~0)| ~__return_375~0) [2022-02-24 03:11:12,507 INFO L854 garLoopResultBuilder]: At program point L270(lines 270 322) the Hoare annotation is: (and (= main_~__VERIFIER_assert__cond~9 1) (not (= main_~__VERIFIER_assert__cond~1 0)) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (= main_~__VERIFIER_assert__cond~3 1) (= |old(~__return_375~0)| ~__return_375~0) (<= 1 main_~main__c~0) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (< (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= main_~__VERIFIER_assert__cond~5 0)) (< 0 main_~main__scheme~0) (= main_~__VERIFIER_assert__cond~10 1) (not (= main_~__VERIFIER_assert__cond~6 0)) (<= 1 main_~main__cp~0) (not (= main_~__VERIFIER_assert__cond~2 0))) [2022-02-24 03:11:12,507 INFO L854 garLoopResultBuilder]: At program point L204(lines 204 353) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~1 0)) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (= main_~__VERIFIER_assert__cond~3 1) (= |old(~__return_375~0)| ~__return_375~0) (< (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= main_~__VERIFIER_assert__cond~5 0)) (< 0 main_~main__scheme~0) (not (= main_~__VERIFIER_assert__cond~6 0)) (<= 1 main_~main__cp~0) (not (= main_~__VERIFIER_assert__cond~2 0))) [2022-02-24 03:11:12,507 INFO L854 garLoopResultBuilder]: At program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 214) the Hoare annotation is: false [2022-02-24 03:11:12,507 INFO L854 garLoopResultBuilder]: At program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 374) the Hoare annotation is: false [2022-02-24 03:11:12,507 INFO L854 garLoopResultBuilder]: At program point L262(lines 262 328) the Hoare annotation is: (and (= main_~__VERIFIER_assert__cond~10 1) (let ((.cse0 (= main_~__VERIFIER_assert__cond~9 1)) (.cse1 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse2 (not (= main_~__VERIFIER_assert__cond~4 0))) (.cse3 (not (= main_~__VERIFIER_assert__cond~7 0))) (.cse4 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse5 (= main_~__VERIFIER_assert__cond~3 1)) (.cse6 (= |old(~__return_375~0)| ~__return_375~0)) (.cse7 (not (= main_~__VERIFIER_assert__cond~8 0))) (.cse8 (not (= main_~__VERIFIER_assert__cond~11 0))) (.cse9 (< (+ main_~main__cp~0 1) main_~main__urilen~0)) (.cse10 (not (= main_~__VERIFIER_assert__cond~5 0))) (.cse11 (< 0 main_~main__scheme~0)) (.cse12 (not (= main_~__VERIFIER_assert__cond~6 0))) (.cse13 (<= 1 main_~main__cp~0)) (.cse14 (not (= main_~__VERIFIER_assert__cond~2 0))) (.cse15 (<= (+ 2 main_~main__c~0) main_~main__tokenlen~0))) (or (and .cse0 .cse1 (not (= main_~__VERIFIER_assert__cond~13 0)) .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 main_~main__c~0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= main_~main__c~0 0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15)))) [2022-02-24 03:11:12,507 INFO L854 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: false [2022-02-24 03:11:12,507 INFO L854 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: false [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point L155(lines 155 360) the Hoare annotation is: (let ((.cse0 (let ((.cse6 (not (<= main_~main__scheme~0 0))) (.cse7 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse8 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse9 (<= 1 main_~main__cp~0)) (.cse10 (not (= main_~__VERIFIER_assert__cond~2 0)))) (or (and .cse6 .cse7 .cse8 (= main_~__VERIFIER_assert__cond~2 1) (not (<= main_~main__urilen~0 main_~main__cp~0)) .cse9 .cse10) (and .cse6 .cse7 .cse8 (not (= main_~__VERIFIER_assert__cond~16 0)) .cse9 .cse10)))) (.cse2 (not (= main_~__VERIFIER_assert__cond~4 0))) (.cse3 (= main_~__VERIFIER_assert__cond~3 1)) (.cse4 (= |old(~__return_375~0)| ~__return_375~0)) (.cse1 (+ main_~main__cp~0 1)) (.cse5 (not (= main_~__VERIFIER_assert__cond~5 0)))) (or (and .cse0 (= main_~main__urilen~0 .cse1) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 (< .cse1 main_~main__urilen~0) .cse5))) [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 189) the Hoare annotation is: false [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point L23(lines 23 438) the Hoare annotation is: (= |old(~__return_375~0)| ~__return_375~0) [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 308) the Hoare annotation is: false [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: false [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point L65(lines 65 417) the Hoare annotation is: (and (<= 0 main_~main__scheme~0) (= |old(~__return_375~0)| ~__return_375~0)) [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 113) the Hoare annotation is: false [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point L255(line 255) the Hoare annotation is: false [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: false [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point L123(lines 123 403) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~1 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (= main_~__VERIFIER_assert__cond~3 1) (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (= |old(~__return_375~0)| ~__return_375~0) (= main_~__VERIFIER_assert__cond~2 1) (< 0 main_~main__scheme~0) (<= 1 main_~main__cp~0)) [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: false [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: false [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 243) the Hoare annotation is: false [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point L41(lines 41 435) the Hoare annotation is: (= |old(~__return_375~0)| ~__return_375~0) [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 97) the Hoare annotation is: false [2022-02-24 03:11:12,508 INFO L854 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: false [2022-02-24 03:11:12,509 INFO L854 garLoopResultBuilder]: At program point L372(lines 372 395) the Hoare annotation is: (and (let ((.cse0 (not (<= main_~main__scheme~0 0))) (.cse1 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse2 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse3 (= main_~__VERIFIER_assert__cond~3 1)) (.cse4 (not (= main_~__VERIFIER_assert__cond~16 0))) (.cse5 (<= 1 main_~main__cp~0)) (.cse6 (not (= main_~__VERIFIER_assert__cond~2 0)))) (or (and .cse0 .cse1 (not (= main_~__VERIFIER_assert__cond~17 0)) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= main_~__VERIFIER_assert__cond~2 1) .cse5 .cse6))) (= |old(~__return_375~0)| ~__return_375~0) (< (+ main_~main__cp~0 1) main_~main__urilen~0)) [2022-02-24 03:11:12,509 INFO L854 garLoopResultBuilder]: At program point L83(lines 83 414) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~0 0)) (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (= |old(~__return_375~0)| ~__return_375~0) (< 0 main_~main__scheme~0) (<= 1 main_~main__cp~0)) [2022-02-24 03:11:12,509 INFO L854 garLoopResultBuilder]: At program point L306(lines 306 316) the Hoare annotation is: (and (= main_~__VERIFIER_assert__cond~9 1) (not (= main_~__VERIFIER_assert__cond~1 0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (= main_~__VERIFIER_assert__cond~3 1) (not (= main_~__VERIFIER_assert__cond~14 0)) (= |old(~__return_375~0)| ~__return_375~0) (<= 1 main_~main__c~0) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (< (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= main_~__VERIFIER_assert__cond~5 0)) (< 0 main_~main__scheme~0) (= main_~__VERIFIER_assert__cond~10 1) (not (= main_~__VERIFIER_assert__cond~6 0)) (<= 1 main_~main__cp~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (not (= main_~__VERIFIER_assert__cond~15 0))) [2022-02-24 03:11:12,509 INFO L854 garLoopResultBuilder]: At program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 226) the Hoare annotation is: false [2022-02-24 03:11:12,509 INFO L854 garLoopResultBuilder]: At program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 386) the Hoare annotation is: false [2022-02-24 03:11:12,509 INFO L854 garLoopResultBuilder]: At program point L224(lines 224 344) the Hoare annotation is: (and (= main_~__VERIFIER_assert__cond~9 1) (not (= main_~__VERIFIER_assert__cond~1 0)) (= main_~__VERIFIER_assert__cond~8 1) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (= main_~__VERIFIER_assert__cond~3 1) (= |old(~__return_375~0)| ~__return_375~0) (= main_~main__c~0 0) (< (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= main_~__VERIFIER_assert__cond~5 0)) (< 0 main_~main__scheme~0) (not (= main_~__VERIFIER_assert__cond~6 0)) (<= 1 main_~main__cp~0) (not (= main_~__VERIFIER_assert__cond~2 0))) [2022-02-24 03:11:12,509 INFO L854 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: false [2022-02-24 03:11:12,509 INFO L854 garLoopResultBuilder]: At program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 145) the Hoare annotation is: false [2022-02-24 03:11:12,509 INFO L854 garLoopResultBuilder]: At program point L59(lines 59 432) the Hoare annotation is: (= |old(~__return_375~0)| ~__return_375~0) [2022-02-24 03:11:12,509 INFO L854 garLoopResultBuilder]: At program point L315(lines 230 344) the Hoare annotation is: (let ((.cse9 (= main_~main__c~0 0)) (.cse0 (= main_~__VERIFIER_assert__cond~9 1)) (.cse1 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse2 (not (= main_~__VERIFIER_assert__cond~4 0))) (.cse3 (not (= main_~__VERIFIER_assert__cond~7 0))) (.cse4 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse5 (< main_~main__cp~0 main_~main__urilen~0)) (.cse6 (= main_~__VERIFIER_assert__cond~3 1)) (.cse7 (= |old(~__return_375~0)| ~__return_375~0)) (.cse8 (not (= main_~__VERIFIER_assert__cond~8 0))) (.cse10 (not (= main_~__VERIFIER_assert__cond~5 0))) (.cse11 (< 0 main_~main__scheme~0)) (.cse12 (not (= main_~__VERIFIER_assert__cond~6 0))) (.cse13 (<= 1 main_~main__cp~0)) (.cse14 (not (= main_~__VERIFIER_assert__cond~2 0)))) (or (and .cse0 .cse1 (= main_~__VERIFIER_assert__cond~8 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (< (+ main_~main__cp~0 1) main_~main__urilen~0) .cse10 .cse11 .cse12 .cse13 .cse14) (and (let ((.cse15 (let ((.cse16 (not (= main_~__VERIFIER_assert__cond~11 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (not (= main_~__VERIFIER_assert__cond~12 0)) .cse8 .cse16 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse16 .cse10 .cse11 .cse12 .cse13 .cse14 (<= (+ 2 main_~main__c~0) main_~main__tokenlen~0)))))) (or (and (not (= main_~__VERIFIER_assert__cond~13 0)) (<= 1 main_~main__c~0) .cse15) (and .cse9 .cse15))) (not (= main_~__VERIFIER_assert__cond~10 0))))) [2022-02-24 03:11:12,509 INFO L854 garLoopResultBuilder]: At program point L282(lines 282 320) the Hoare annotation is: (and (= main_~__VERIFIER_assert__cond~9 1) (not (= main_~__VERIFIER_assert__cond~1 0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (= main_~__VERIFIER_assert__cond~3 1) (= |old(~__return_375~0)| ~__return_375~0) (<= 1 main_~main__c~0) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (< (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= main_~__VERIFIER_assert__cond~5 0)) (< 0 main_~main__scheme~0) (= main_~__VERIFIER_assert__cond~10 1) (not (= main_~__VERIFIER_assert__cond~6 0)) (<= 1 main_~main__cp~0) (not (= main_~__VERIFIER_assert__cond~2 0))) [2022-02-24 03:11:12,509 INFO L854 garLoopResultBuilder]: At program point L241(lines 241 331) the Hoare annotation is: (let ((.cse14 (let ((.cse18 (<= main_~main__urilen~0 main_~main__cp~0))) (or (and (= main_~__VERIFIER_assert__cond~10 0) .cse18) (and (= main_~__VERIFIER_assert__cond~10 1) (not .cse18))))) (.cse0 (= main_~__VERIFIER_assert__cond~9 1)) (.cse1 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse2 (not (= main_~__VERIFIER_assert__cond~4 0))) (.cse3 (not (= main_~__VERIFIER_assert__cond~7 0))) (.cse4 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse5 (= main_~__VERIFIER_assert__cond~3 1)) (.cse6 (= |old(~__return_375~0)| ~__return_375~0)) (.cse7 (= main_~main__c~0 0)) (.cse8 (< (+ main_~main__cp~0 1) main_~main__urilen~0)) (.cse9 (not (= main_~__VERIFIER_assert__cond~5 0))) (.cse10 (< 0 main_~main__scheme~0)) (.cse11 (not (= main_~__VERIFIER_assert__cond~6 0))) (.cse12 (<= 1 main_~main__cp~0)) (.cse13 (not (= main_~__VERIFIER_assert__cond~2 0))) (.cse15 (<= (+ 2 main_~main__c~0) main_~main__tokenlen~0))) (or (and .cse0 .cse1 (= main_~__VERIFIER_assert__cond~8 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse14 (let ((.cse16 (not (= main_~__VERIFIER_assert__cond~8 0))) (.cse17 (not (= main_~__VERIFIER_assert__cond~11 0)))) (or (and .cse0 .cse1 (not (= main_~__VERIFIER_assert__cond~13 0)) .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 main_~main__c~0) .cse16 .cse17 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse16 .cse17 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse15)))))) [2022-02-24 03:11:12,510 INFO L854 garLoopResultBuilder]: At program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 272) the Hoare annotation is: false [2022-02-24 03:11:12,510 INFO L854 garLoopResultBuilder]: At program point L175(lines 175 357) the Hoare annotation is: (and (let ((.cse0 (not (<= main_~main__scheme~0 0))) (.cse1 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse2 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse3 (<= 1 main_~main__cp~0)) (.cse4 (not (= main_~__VERIFIER_assert__cond~2 0)))) (or (and .cse0 .cse1 .cse2 (= main_~__VERIFIER_assert__cond~2 1) .cse3 .cse4) (and .cse0 .cse1 .cse2 (not (= main_~__VERIFIER_assert__cond~16 0)) .cse3 .cse4))) (not (= main_~__VERIFIER_assert__cond~4 0)) (= main_~__VERIFIER_assert__cond~3 1) (= |old(~__return_375~0)| ~__return_375~0) (< (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= main_~__VERIFIER_assert__cond~5 0)) (not (= main_~__VERIFIER_assert__cond~6 0))) [2022-02-24 03:11:12,510 INFO L854 garLoopResultBuilder]: At program point L35(lines 35 436) the Hoare annotation is: (= |old(~__return_375~0)| ~__return_375~0) [2022-02-24 03:11:12,510 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-02-24 03:11:12,510 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= |old(~__return_375~0)| ~__return_375~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-02-24 03:11:12,510 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-02-24 03:11:12,510 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-02-24 03:11:12,510 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-02-24 03:11:12,510 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-02-24 03:11:12,510 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-02-24 03:11:12,512 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:11:12,513 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-24 03:11:12,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 03:11:12 BoogieIcfgContainer [2022-02-24 03:11:12,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-24 03:11:12,529 INFO L158 Benchmark]: Toolchain (without parser) took 52760.91ms. Allocated memory was 196.1MB in the beginning and 537.9MB in the end (delta: 341.8MB). Free memory was 148.3MB in the beginning and 296.3MB in the end (delta: -147.9MB). Peak memory consumption was 304.2MB. Max. memory is 8.0GB. [2022-02-24 03:11:12,529 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 164.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-24 03:11:12,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.84ms. Allocated memory is still 196.1MB. Free memory was 148.1MB in the beginning and 162.8MB in the end (delta: -14.7MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. [2022-02-24 03:11:12,529 INFO L158 Benchmark]: Boogie Preprocessor took 21.39ms. Allocated memory is still 196.1MB. Free memory was 162.8MB in the beginning and 161.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-24 03:11:12,530 INFO L158 Benchmark]: RCFGBuilder took 338.70ms. Allocated memory is still 196.1MB. Free memory was 161.1MB in the beginning and 145.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-24 03:11:12,530 INFO L158 Benchmark]: TraceAbstraction took 52135.31ms. Allocated memory was 196.1MB in the beginning and 537.9MB in the end (delta: 341.8MB). Free memory was 145.0MB in the beginning and 296.3MB in the end (delta: -151.3MB). Peak memory consumption was 301.5MB. Max. memory is 8.0GB. [2022-02-24 03:11:12,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 164.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 260.84ms. Allocated memory is still 196.1MB. Free memory was 148.1MB in the beginning and 162.8MB in the end (delta: -14.7MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.39ms. Allocated memory is still 196.1MB. Free memory was 162.8MB in the beginning and 161.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 338.70ms. Allocated memory is still 196.1MB. Free memory was 161.1MB in the beginning and 145.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 52135.31ms. Allocated memory was 196.1MB in the beginning and 537.9MB in the end (delta: 341.8MB). Free memory was 145.0MB in the beginning and 296.3MB in the end (delta: -151.3MB). Peak memory consumption was 301.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 85]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 97]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 113]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 125]: 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: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 177]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 189]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 214]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 226]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 243]: 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: 272]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 284]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 296]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 308]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 374]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 386]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 94 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 52.1s, OverallIterations: 23, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 47.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3661 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3661 mSDsluCounter, 1675 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 350 mSDsCounter, 190 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2505 IncrementalHoareTripleChecker+Invalid, 2695 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 190 mSolverCounterUnsat, 1325 mSDtfsCounter, 2505 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 78 SyntacticMatches, 5 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, InterpolantAutomatonStates: 153, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 23 MinimizatonAttempts, 296 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 87 LocationsWithAnnotation, 87 PreInvPairs, 140 NumberOfFragments, 2985 HoareAnnotationTreeSize, 87 FomulaSimplifications, 286041 FormulaSimplificationTreeSizeReduction, 44.0s HoareSimplificationTime, 87 FomulaSimplificationsInter, 619907 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: ((main__c == 0 && (((((((((((((((((__VERIFIER_assert__cond == 1 && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && \old(__return_375) == __return_375) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__cp + 1 < main__urilen) && !(__VERIFIER_assert__cond == 0)) && 0 < main__scheme) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) || ((((((((((((((((__VERIFIER_assert__cond == 1 && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && \old(__return_375) == __return_375) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__cp + 1 < main__urilen) && !(__VERIFIER_assert__cond == 0)) && 0 < main__scheme) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) && 2 + main__c <= main__tokenlen))) || ((!(__VERIFIER_assert__cond == 0) && 1 <= main__c) && (((((((((((((((((__VERIFIER_assert__cond == 1 && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && \old(__return_375) == __return_375) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__cp + 1 < main__urilen) && !(__VERIFIER_assert__cond == 0)) && 0 < main__scheme) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) || ((((((((((((((((__VERIFIER_assert__cond == 1 && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && \old(__return_375) == __return_375) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__cp + 1 < main__urilen) && !(__VERIFIER_assert__cond == 0)) && 0 < main__scheme) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) && 2 + main__c <= main__tokenlen)))) && __VERIFIER_assert__cond == 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((((((!(main__scheme <= 0) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) || ((((((!(main__scheme <= 0) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && __VERIFIER_assert__cond == 1) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0))) && main__cp < main__urilen) && \old(__return_375) == __return_375 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((((((((!(main__scheme <= 0) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) || (((((!(main__scheme <= 0) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0))) && __VERIFIER_assert__cond == 1) && \old(__return_375) == __return_375) && !(main__urilen <= main__cp) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: !(__VERIFIER_assert__cond == 0) && \old(__return_375) == __return_375 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: ((((((((((((((((__VERIFIER_assert__cond == 1 && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__cp < main__urilen) && __VERIFIER_assert__cond == 1) && \old(__return_375) == __return_375) && !(__VERIFIER_assert__cond == 0)) && main__c == 0) && main__cp + 1 < main__urilen) && !(__VERIFIER_assert__cond == 0)) && 0 < main__scheme) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) || ((((!(__VERIFIER_assert__cond == 0) && 1 <= main__c) && ((((((((((((((((__VERIFIER_assert__cond == 1 && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__cp < main__urilen) && __VERIFIER_assert__cond == 1) && \old(__return_375) == __return_375) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && 0 < main__scheme) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) || (((((((((((((((__VERIFIER_assert__cond == 1 && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__cp < main__urilen) && __VERIFIER_assert__cond == 1) && \old(__return_375) == __return_375) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && 0 < main__scheme) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) && 2 + main__c <= main__tokenlen))) || (main__c == 0 && ((((((((((((((((__VERIFIER_assert__cond == 1 && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__cp < main__urilen) && __VERIFIER_assert__cond == 1) && \old(__return_375) == __return_375) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && 0 < main__scheme) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) || (((((((((((((((__VERIFIER_assert__cond == 1 && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__cp < main__urilen) && __VERIFIER_assert__cond == 1) && \old(__return_375) == __return_375) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && 0 < main__scheme) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) && 2 + main__c <= main__tokenlen)))) && !(__VERIFIER_assert__cond == 0)) - ProcedureContractResult [Line: 13]: Procedure Contract for main Derived contract for procedure main: !(__VERIFIER_assert__cond == 0) || \old(__return_375) == __return_375 RESULT: Ultimate proved your program to be correct! [2022-02-24 03:11:12,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...