/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 01:37:16,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 01:37:16,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 01:37:16,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 01:37:16,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 01:37:16,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 01:37:16,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 01:37:16,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 01:37:16,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 01:37:16,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 01:37:16,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 01:37:16,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 01:37:16,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 01:37:16,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 01:37:16,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 01:37:16,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 01:37:16,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 01:37:16,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 01:37:16,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 01:37:16,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 01:37:16,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 01:37:16,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 01:37:16,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 01:37:16,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 01:37:16,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 01:37:16,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 01:37:16,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 01:37:16,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 01:37:16,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 01:37:16,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 01:37:16,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 01:37:16,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 01:37:16,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 01:37:16,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 01:37:16,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 01:37:16,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 01:37:16,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 01:37:16,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 01:37:16,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 01:37:16,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 01:37:16,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 01:37:16,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 01:37:16,909 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 01:37:16,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 01:37:16,910 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 01:37:16,910 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 01:37:16,912 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 01:37:16,912 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 01:37:16,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 01:37:16,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 01:37:16,916 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 01:37:16,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 01:37:16,917 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 01:37:16,917 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 01:37:16,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 01:37:16,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 01:37:16,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 01:37:16,918 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 01:37:16,918 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 01:37:16,918 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 01:37:16,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 01:37:16,919 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 01:37:16,919 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 01:37:16,919 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 01:37:16,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 01:37:16,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 01:37:16,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 01:37:16,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 01:37:16,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 01:37:16,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 01:37:16,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 01:37:16,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 01:37:16,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 01:37:17,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 01:37:17,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 01:37:17,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 01:37:17,348 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 01:37:17,348 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 01:37:17,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2022-10-16 01:37:17,429 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/449fe4c3f/6d9721702a8d43e38fd22c75b7d6a435/FLAG6e4eaddfd [2022-10-16 01:37:18,128 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 01:37:18,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2022-10-16 01:37:18,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/449fe4c3f/6d9721702a8d43e38fd22c75b7d6a435/FLAG6e4eaddfd [2022-10-16 01:37:18,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/449fe4c3f/6d9721702a8d43e38fd22c75b7d6a435 [2022-10-16 01:37:18,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 01:37:18,349 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 01:37:18,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 01:37:18,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 01:37:18,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 01:37:18,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:37:18" (1/1) ... [2022-10-16 01:37:18,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8e1573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:18, skipping insertion in model container [2022-10-16 01:37:18,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:37:18" (1/1) ... [2022-10-16 01:37:18,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 01:37:18,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 01:37:18,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2022-10-16 01:37:18,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2022-10-16 01:37:18,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2022-10-16 01:37:18,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2022-10-16 01:37:18,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2022-10-16 01:37:18,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2022-10-16 01:37:18,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2022-10-16 01:37:18,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2022-10-16 01:37:18,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2022-10-16 01:37:18,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2022-10-16 01:37:18,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2022-10-16 01:37:18,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2022-10-16 01:37:18,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2022-10-16 01:37:18,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2022-10-16 01:37:18,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2022-10-16 01:37:18,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2022-10-16 01:37:18,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 01:37:18,993 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 01:37:19,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2022-10-16 01:37:19,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2022-10-16 01:37:19,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2022-10-16 01:37:19,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2022-10-16 01:37:19,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2022-10-16 01:37:19,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2022-10-16 01:37:19,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2022-10-16 01:37:19,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2022-10-16 01:37:19,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2022-10-16 01:37:19,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2022-10-16 01:37:19,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2022-10-16 01:37:19,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2022-10-16 01:37:19,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2022-10-16 01:37:19,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2022-10-16 01:37:19,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2022-10-16 01:37:19,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2022-10-16 01:37:19,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 01:37:19,293 INFO L208 MainTranslator]: Completed translation [2022-10-16 01:37:19,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:19 WrapperNode [2022-10-16 01:37:19,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 01:37:19,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 01:37:19,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 01:37:19,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 01:37:19,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:19" (1/1) ... [2022-10-16 01:37:19,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:19" (1/1) ... [2022-10-16 01:37:19,418 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1692 [2022-10-16 01:37:19,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 01:37:19,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 01:37:19,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 01:37:19,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 01:37:19,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:19" (1/1) ... [2022-10-16 01:37:19,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:19" (1/1) ... [2022-10-16 01:37:19,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:19" (1/1) ... [2022-10-16 01:37:19,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:19" (1/1) ... [2022-10-16 01:37:19,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:19" (1/1) ... [2022-10-16 01:37:19,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:19" (1/1) ... [2022-10-16 01:37:19,494 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:19" (1/1) ... [2022-10-16 01:37:19,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:19" (1/1) ... [2022-10-16 01:37:19,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 01:37:19,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 01:37:19,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 01:37:19,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 01:37:19,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:19" (1/1) ... [2022-10-16 01:37:19,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 01:37:19,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 01:37:19,572 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) [2022-10-16 01:37:19,591 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 [2022-10-16 01:37:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 01:37:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 01:37:19,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 01:37:19,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 01:37:19,851 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 01:37:19,854 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 01:37:21,278 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 01:37:21,292 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 01:37:21,292 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 01:37:21,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:37:21 BoogieIcfgContainer [2022-10-16 01:37:21,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 01:37:21,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 01:37:21,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 01:37:21,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 01:37:21,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:37:18" (1/3) ... [2022-10-16 01:37:21,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30cfbf9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:37:21, skipping insertion in model container [2022-10-16 01:37:21,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:19" (2/3) ... [2022-10-16 01:37:21,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30cfbf9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:37:21, skipping insertion in model container [2022-10-16 01:37:21,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:37:21" (3/3) ... [2022-10-16 01:37:21,305 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2022-10-16 01:37:21,328 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 01:37:21,328 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-10-16 01:37:21,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 01:37:21,399 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5f69bb6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 01:37:21,399 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2022-10-16 01:37:21,406 INFO L276 IsEmpty]: Start isEmpty. Operand has 305 states, 287 states have (on average 1.9721254355400697) internal successors, (566), 304 states have internal predecessors, (566), 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) [2022-10-16 01:37:21,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 01:37:21,414 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:21,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 01:37:21,415 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:21,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:21,422 INFO L85 PathProgramCache]: Analyzing trace with hash 29993051, now seen corresponding path program 1 times [2022-10-16 01:37:21,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:21,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810983292] [2022-10-16 01:37:21,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:21,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:21,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:21,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:21,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810983292] [2022-10-16 01:37:21,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810983292] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:21,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:21,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 01:37:21,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543384665] [2022-10-16 01:37:21,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:21,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 01:37:21,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:21,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 01:37:21,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 01:37:21,681 INFO L87 Difference]: Start difference. First operand has 305 states, 287 states have (on average 1.9721254355400697) internal successors, (566), 304 states have internal predecessors, (566), 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-10-16 01:37:21,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:21,750 INFO L93 Difference]: Finished difference Result 304 states and 549 transitions. [2022-10-16 01:37:21,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 01:37:21,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5 [2022-10-16 01:37:21,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:21,770 INFO L225 Difference]: With dead ends: 304 [2022-10-16 01:37:21,770 INFO L226 Difference]: Without dead ends: 300 [2022-10-16 01:37:21,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 01:37:21,777 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 545 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:21,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 548 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:37:21,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2022-10-16 01:37:21,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2022-10-16 01:37:21,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 284 states have (on average 1.4894366197183098) internal successors, (423), 299 states have internal predecessors, (423), 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) [2022-10-16 01:37:21,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 423 transitions. [2022-10-16 01:37:21,847 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 423 transitions. Word has length 5 [2022-10-16 01:37:21,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:21,848 INFO L495 AbstractCegarLoop]: Abstraction has 300 states and 423 transitions. [2022-10-16 01:37:21,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-10-16 01:37:21,848 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 423 transitions. [2022-10-16 01:37:21,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-16 01:37:21,849 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:21,849 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:21,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 01:37:21,850 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:21,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:21,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1804934597, now seen corresponding path program 1 times [2022-10-16 01:37:21,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:21,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217400640] [2022-10-16 01:37:21,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:21,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:22,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:22,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217400640] [2022-10-16 01:37:22,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217400640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:22,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:22,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 01:37:22,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930795959] [2022-10-16 01:37:22,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:22,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 01:37:22,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:22,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 01:37:22,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 01:37:22,052 INFO L87 Difference]: Start difference. First operand 300 states and 423 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-10-16 01:37:22,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:22,757 INFO L93 Difference]: Finished difference Result 298 states and 421 transitions. [2022-10-16 01:37:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 01:37:22,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) Word has length 7 [2022-10-16 01:37:22,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:22,761 INFO L225 Difference]: With dead ends: 298 [2022-10-16 01:37:22,761 INFO L226 Difference]: Without dead ends: 298 [2022-10-16 01:37:22,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:37:22,764 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 357 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:22,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 198 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 01:37:22,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-10-16 01:37:22,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2022-10-16 01:37:22,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 283 states have (on average 1.4876325088339222) internal successors, (421), 297 states have internal predecessors, (421), 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) [2022-10-16 01:37:22,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 421 transitions. [2022-10-16 01:37:22,786 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 421 transitions. Word has length 7 [2022-10-16 01:37:22,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:22,786 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 421 transitions. [2022-10-16 01:37:22,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-10-16 01:37:22,787 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 421 transitions. [2022-10-16 01:37:22,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 01:37:22,788 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:22,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:22,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 01:37:22,788 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:22,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:22,789 INFO L85 PathProgramCache]: Analyzing trace with hash 118401710, now seen corresponding path program 1 times [2022-10-16 01:37:22,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:22,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341385804] [2022-10-16 01:37:22,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:22,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:23,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:23,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341385804] [2022-10-16 01:37:23,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341385804] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:23,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:23,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 01:37:23,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929897997] [2022-10-16 01:37:23,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:23,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 01:37:23,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:23,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 01:37:23,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:37:23,018 INFO L87 Difference]: Start difference. First operand 298 states and 421 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2022-10-16 01:37:23,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:23,390 INFO L93 Difference]: Finished difference Result 303 states and 426 transitions. [2022-10-16 01:37:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 01:37:23,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) Word has length 8 [2022-10-16 01:37:23,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:23,393 INFO L225 Difference]: With dead ends: 303 [2022-10-16 01:37:23,394 INFO L226 Difference]: Without dead ends: 300 [2022-10-16 01:37:23,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:23,405 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 44 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:23,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 900 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 01:37:23,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2022-10-16 01:37:23,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 293. [2022-10-16 01:37:23,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 279 states have (on average 1.2759856630824373) internal successors, (356), 292 states have internal predecessors, (356), 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) [2022-10-16 01:37:23,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 356 transitions. [2022-10-16 01:37:23,440 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 356 transitions. Word has length 8 [2022-10-16 01:37:23,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:23,441 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 356 transitions. [2022-10-16 01:37:23,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2022-10-16 01:37:23,441 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 356 transitions. [2022-10-16 01:37:23,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 01:37:23,442 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:23,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:23,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 01:37:23,443 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:23,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:23,448 INFO L85 PathProgramCache]: Analyzing trace with hash 137513629, now seen corresponding path program 1 times [2022-10-16 01:37:23,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:23,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300661004] [2022-10-16 01:37:23,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:23,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:23,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:23,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:23,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300661004] [2022-10-16 01:37:23,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300661004] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:23,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:23,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 01:37:23,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736024958] [2022-10-16 01:37:23,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:23,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 01:37:23,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:23,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 01:37:23,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 01:37:23,591 INFO L87 Difference]: Start difference. First operand 293 states and 356 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-10-16 01:37:23,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:23,983 INFO L93 Difference]: Finished difference Result 291 states and 354 transitions. [2022-10-16 01:37:23,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 01:37:23,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) Word has length 8 [2022-10-16 01:37:23,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:23,985 INFO L225 Difference]: With dead ends: 291 [2022-10-16 01:37:23,985 INFO L226 Difference]: Without dead ends: 291 [2022-10-16 01:37:23,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:37:23,987 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 325 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:23,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 166 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 01:37:23,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-10-16 01:37:23,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2022-10-16 01:37:23,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 278 states have (on average 1.2733812949640289) internal successors, (354), 290 states have internal predecessors, (354), 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) [2022-10-16 01:37:23,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 354 transitions. [2022-10-16 01:37:23,997 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 354 transitions. Word has length 8 [2022-10-16 01:37:23,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:23,998 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 354 transitions. [2022-10-16 01:37:23,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-10-16 01:37:23,998 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 354 transitions. [2022-10-16 01:37:23,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 01:37:23,999 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:23,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:23,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 01:37:24,000 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:24,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:24,000 INFO L85 PathProgramCache]: Analyzing trace with hash -32040723, now seen corresponding path program 1 times [2022-10-16 01:37:24,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:24,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175289816] [2022-10-16 01:37:24,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:24,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:24,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:24,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:24,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175289816] [2022-10-16 01:37:24,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175289816] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:24,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:24,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 01:37:24,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373123803] [2022-10-16 01:37:24,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:24,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 01:37:24,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:24,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 01:37:24,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 01:37:24,097 INFO L87 Difference]: Start difference. First operand 291 states and 354 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-10-16 01:37:24,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:24,412 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2022-10-16 01:37:24,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:37:24,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) Word has length 9 [2022-10-16 01:37:24,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:24,414 INFO L225 Difference]: With dead ends: 294 [2022-10-16 01:37:24,414 INFO L226 Difference]: Without dead ends: 294 [2022-10-16 01:37:24,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:37:24,416 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 41 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:24,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 747 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 01:37:24,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-10-16 01:37:24,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2022-10-16 01:37:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 281 states have (on average 1.2704626334519573) internal successors, (357), 293 states have internal predecessors, (357), 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) [2022-10-16 01:37:24,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 357 transitions. [2022-10-16 01:37:24,425 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 357 transitions. Word has length 9 [2022-10-16 01:37:24,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:24,425 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 357 transitions. [2022-10-16 01:37:24,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-10-16 01:37:24,426 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 357 transitions. [2022-10-16 01:37:24,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 01:37:24,426 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:24,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:24,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 01:37:24,427 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:24,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:24,428 INFO L85 PathProgramCache]: Analyzing trace with hash -726236111, now seen corresponding path program 1 times [2022-10-16 01:37:24,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:24,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168735255] [2022-10-16 01:37:24,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:24,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:24,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:24,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168735255] [2022-10-16 01:37:24,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168735255] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:24,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:24,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 01:37:24,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556047848] [2022-10-16 01:37:24,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:24,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 01:37:24,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:24,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 01:37:24,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:37:24,533 INFO L87 Difference]: Start difference. First operand 294 states and 357 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2022-10-16 01:37:25,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:25,132 INFO L93 Difference]: Finished difference Result 292 states and 355 transitions. [2022-10-16 01:37:25,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:37:25,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) Word has length 11 [2022-10-16 01:37:25,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:25,134 INFO L225 Difference]: With dead ends: 292 [2022-10-16 01:37:25,135 INFO L226 Difference]: Without dead ends: 292 [2022-10-16 01:37:25,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:25,136 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 287 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:25,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 278 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 01:37:25,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-10-16 01:37:25,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2022-10-16 01:37:25,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 280 states have (on average 1.2678571428571428) internal successors, (355), 291 states have internal predecessors, (355), 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) [2022-10-16 01:37:25,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 355 transitions. [2022-10-16 01:37:25,145 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 355 transitions. Word has length 11 [2022-10-16 01:37:25,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:25,146 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 355 transitions. [2022-10-16 01:37:25,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2022-10-16 01:37:25,146 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 355 transitions. [2022-10-16 01:37:25,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 01:37:25,147 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:25,147 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:25,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 01:37:25,148 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:25,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:25,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1038478869, now seen corresponding path program 1 times [2022-10-16 01:37:25,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:25,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371070184] [2022-10-16 01:37:25,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:25,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:25,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:25,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:25,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371070184] [2022-10-16 01:37:25,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371070184] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:25,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:25,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 01:37:25,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692804509] [2022-10-16 01:37:25,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:25,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 01:37:25,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:25,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 01:37:25,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 01:37:25,216 INFO L87 Difference]: Start difference. First operand 292 states and 355 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2022-10-16 01:37:25,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:25,505 INFO L93 Difference]: Finished difference Result 290 states and 353 transitions. [2022-10-16 01:37:25,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 01:37:25,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) Word has length 12 [2022-10-16 01:37:25,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:25,507 INFO L225 Difference]: With dead ends: 290 [2022-10-16 01:37:25,507 INFO L226 Difference]: Without dead ends: 288 [2022-10-16 01:37:25,508 INFO L412 NwaCegarLoop]: 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 [2022-10-16 01:37:25,509 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 12 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:25,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 766 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 01:37:25,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-10-16 01:37:25,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-10-16 01:37:25,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 277 states have (on average 1.2671480144404332) internal successors, (351), 287 states have internal predecessors, (351), 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) [2022-10-16 01:37:25,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2022-10-16 01:37:25,517 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 12 [2022-10-16 01:37:25,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:25,517 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2022-10-16 01:37:25,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2022-10-16 01:37:25,518 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2022-10-16 01:37:25,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 01:37:25,519 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:25,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:25,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 01:37:25,519 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:25,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:25,520 INFO L85 PathProgramCache]: Analyzing trace with hash -242777879, now seen corresponding path program 1 times [2022-10-16 01:37:25,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:25,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297615240] [2022-10-16 01:37:25,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:25,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:25,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:25,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:25,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297615240] [2022-10-16 01:37:25,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297615240] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:25,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:25,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:25,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008475856] [2022-10-16 01:37:25,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:25,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:25,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:25,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:25,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:25,679 INFO L87 Difference]: Start difference. First operand 288 states and 351 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2022-10-16 01:37:26,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:26,246 INFO L93 Difference]: Finished difference Result 314 states and 379 transitions. [2022-10-16 01:37:26,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 01:37:26,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) Word has length 13 [2022-10-16 01:37:26,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:26,249 INFO L225 Difference]: With dead ends: 314 [2022-10-16 01:37:26,249 INFO L226 Difference]: Without dead ends: 314 [2022-10-16 01:37:26,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 01:37:26,250 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 89 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:26,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 897 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 01:37:26,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-10-16 01:37:26,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 288. [2022-10-16 01:37:26,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 277 states have (on average 1.2671480144404332) internal successors, (351), 287 states have internal predecessors, (351), 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) [2022-10-16 01:37:26,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2022-10-16 01:37:26,259 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 13 [2022-10-16 01:37:26,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:26,259 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2022-10-16 01:37:26,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2022-10-16 01:37:26,260 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2022-10-16 01:37:26,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 01:37:26,260 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:26,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:26,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 01:37:26,261 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:26,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:26,262 INFO L85 PathProgramCache]: Analyzing trace with hash -2112927996, now seen corresponding path program 1 times [2022-10-16 01:37:26,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:26,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868219086] [2022-10-16 01:37:26,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:26,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:26,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:26,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868219086] [2022-10-16 01:37:26,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868219086] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:26,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:26,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 01:37:26,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813718657] [2022-10-16 01:37:26,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:26,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 01:37:26,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:26,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 01:37:26,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:37:26,328 INFO L87 Difference]: Start difference. First operand 288 states and 351 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-10-16 01:37:26,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:26,835 INFO L93 Difference]: Finished difference Result 306 states and 371 transitions. [2022-10-16 01:37:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:37:26,835 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) Word has length 13 [2022-10-16 01:37:26,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:26,837 INFO L225 Difference]: With dead ends: 306 [2022-10-16 01:37:26,837 INFO L226 Difference]: Without dead ends: 306 [2022-10-16 01:37:26,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:26,838 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 303 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:26,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 286 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 01:37:26,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-10-16 01:37:26,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 286. [2022-10-16 01:37:26,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 276 states have (on average 1.2644927536231885) internal successors, (349), 285 states have internal predecessors, (349), 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) [2022-10-16 01:37:26,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 349 transitions. [2022-10-16 01:37:26,847 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 349 transitions. Word has length 13 [2022-10-16 01:37:26,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:26,847 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 349 transitions. [2022-10-16 01:37:26,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-10-16 01:37:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 349 transitions. [2022-10-16 01:37:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 01:37:26,848 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:26,849 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:26,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 01:37:26,849 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:26,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:26,850 INFO L85 PathProgramCache]: Analyzing trace with hash -2111204092, now seen corresponding path program 1 times [2022-10-16 01:37:26,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:26,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213214916] [2022-10-16 01:37:26,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:26,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:26,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:26,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213214916] [2022-10-16 01:37:26,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213214916] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:26,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:26,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 01:37:26,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805734066] [2022-10-16 01:37:26,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:26,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 01:37:26,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:26,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 01:37:26,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:37:26,916 INFO L87 Difference]: Start difference. First operand 286 states and 349 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-10-16 01:37:27,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:27,383 INFO L93 Difference]: Finished difference Result 287 states and 350 transitions. [2022-10-16 01:37:27,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:37:27,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) Word has length 13 [2022-10-16 01:37:27,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:27,385 INFO L225 Difference]: With dead ends: 287 [2022-10-16 01:37:27,385 INFO L226 Difference]: Without dead ends: 287 [2022-10-16 01:37:27,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:27,387 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 277 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:27,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 260 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 01:37:27,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-10-16 01:37:27,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 284. [2022-10-16 01:37:27,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 275 states have (on average 1.2618181818181817) internal successors, (347), 283 states have internal predecessors, (347), 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) [2022-10-16 01:37:27,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 347 transitions. [2022-10-16 01:37:27,395 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 347 transitions. Word has length 13 [2022-10-16 01:37:27,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:27,395 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 347 transitions. [2022-10-16 01:37:27,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-10-16 01:37:27,395 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 347 transitions. [2022-10-16 01:37:27,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 01:37:27,396 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:27,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:27,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 01:37:27,397 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:27,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:27,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1076254322, now seen corresponding path program 1 times [2022-10-16 01:37:27,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:27,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935805272] [2022-10-16 01:37:27,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:27,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:27,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:27,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:27,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935805272] [2022-10-16 01:37:27,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935805272] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:27,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:27,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:27,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773467396] [2022-10-16 01:37:27,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:27,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:27,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:27,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:27,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:27,516 INFO L87 Difference]: Start difference. First operand 284 states and 347 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-10-16 01:37:28,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:28,105 INFO L93 Difference]: Finished difference Result 320 states and 387 transitions. [2022-10-16 01:37:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 01:37:28,106 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) Word has length 14 [2022-10-16 01:37:28,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:28,108 INFO L225 Difference]: With dead ends: 320 [2022-10-16 01:37:28,108 INFO L226 Difference]: Without dead ends: 320 [2022-10-16 01:37:28,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 01:37:28,109 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 53 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:28,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 937 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 01:37:28,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2022-10-16 01:37:28,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 292. [2022-10-16 01:37:28,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 283 states have (on average 1.2614840989399294) internal successors, (357), 291 states have internal predecessors, (357), 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) [2022-10-16 01:37:28,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2022-10-16 01:37:28,119 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 14 [2022-10-16 01:37:28,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:28,120 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2022-10-16 01:37:28,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-10-16 01:37:28,120 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2022-10-16 01:37:28,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 01:37:28,121 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:28,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:28,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 01:37:28,122 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:28,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:28,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1074707177, now seen corresponding path program 1 times [2022-10-16 01:37:28,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:28,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360010624] [2022-10-16 01:37:28,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:28,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:28,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:28,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:28,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360010624] [2022-10-16 01:37:28,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360010624] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:28,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:28,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 01:37:28,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010743036] [2022-10-16 01:37:28,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:28,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 01:37:28,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:28,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 01:37:28,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:37:28,194 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-10-16 01:37:28,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:28,708 INFO L93 Difference]: Finished difference Result 310 states and 377 transitions. [2022-10-16 01:37:28,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:37:28,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) Word has length 14 [2022-10-16 01:37:28,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:28,711 INFO L225 Difference]: With dead ends: 310 [2022-10-16 01:37:28,711 INFO L226 Difference]: Without dead ends: 310 [2022-10-16 01:37:28,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:28,712 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 294 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:28,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 278 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 01:37:28,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-10-16 01:37:28,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 290. [2022-10-16 01:37:28,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 282 states have (on average 1.2588652482269505) internal successors, (355), 289 states have internal predecessors, (355), 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) [2022-10-16 01:37:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 355 transitions. [2022-10-16 01:37:28,721 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 355 transitions. Word has length 14 [2022-10-16 01:37:28,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:28,722 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 355 transitions. [2022-10-16 01:37:28,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-10-16 01:37:28,722 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 355 transitions. [2022-10-16 01:37:28,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 01:37:28,723 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:28,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:28,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 01:37:28,724 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:28,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:28,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1022813242, now seen corresponding path program 1 times [2022-10-16 01:37:28,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:28,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55696823] [2022-10-16 01:37:28,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:28,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:28,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:28,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55696823] [2022-10-16 01:37:28,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55696823] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:28,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:28,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:28,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223049601] [2022-10-16 01:37:28,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:28,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:28,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:28,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:28,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:28,858 INFO L87 Difference]: Start difference. First operand 290 states and 355 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-10-16 01:37:29,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:29,286 INFO L93 Difference]: Finished difference Result 298 states and 363 transitions. [2022-10-16 01:37:29,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 01:37:29,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) Word has length 14 [2022-10-16 01:37:29,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:29,289 INFO L225 Difference]: With dead ends: 298 [2022-10-16 01:37:29,289 INFO L226 Difference]: Without dead ends: 296 [2022-10-16 01:37:29,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 01:37:29,290 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 27 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:29,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 807 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 01:37:29,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2022-10-16 01:37:29,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 291. [2022-10-16 01:37:29,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 283 states have (on average 1.2579505300353357) internal successors, (356), 290 states have internal predecessors, (356), 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) [2022-10-16 01:37:29,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 356 transitions. [2022-10-16 01:37:29,298 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 356 transitions. Word has length 14 [2022-10-16 01:37:29,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:29,299 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 356 transitions. [2022-10-16 01:37:29,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-10-16 01:37:29,299 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 356 transitions. [2022-10-16 01:37:29,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 01:37:29,300 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:29,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:29,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 01:37:29,300 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:29,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:29,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1043820030, now seen corresponding path program 1 times [2022-10-16 01:37:29,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:29,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998460902] [2022-10-16 01:37:29,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:29,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:29,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:29,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998460902] [2022-10-16 01:37:29,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998460902] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:29,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:29,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:29,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538567492] [2022-10-16 01:37:29,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:29,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:29,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:29,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:29,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:29,475 INFO L87 Difference]: Start difference. First operand 291 states and 356 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-10-16 01:37:30,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:30,065 INFO L93 Difference]: Finished difference Result 315 states and 382 transitions. [2022-10-16 01:37:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 01:37:30,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) Word has length 15 [2022-10-16 01:37:30,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:30,068 INFO L225 Difference]: With dead ends: 315 [2022-10-16 01:37:30,068 INFO L226 Difference]: Without dead ends: 315 [2022-10-16 01:37:30,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 01:37:30,070 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 42 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:30,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 953 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 01:37:30,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-10-16 01:37:30,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 294. [2022-10-16 01:37:30,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 286 states have (on average 1.2552447552447552) internal successors, (359), 293 states have internal predecessors, (359), 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) [2022-10-16 01:37:30,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 359 transitions. [2022-10-16 01:37:30,096 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 359 transitions. Word has length 15 [2022-10-16 01:37:30,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:30,096 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 359 transitions. [2022-10-16 01:37:30,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-10-16 01:37:30,097 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 359 transitions. [2022-10-16 01:37:30,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 01:37:30,097 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:30,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:30,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 01:37:30,098 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:30,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:30,099 INFO L85 PathProgramCache]: Analyzing trace with hash 806842801, now seen corresponding path program 1 times [2022-10-16 01:37:30,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:30,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856402634] [2022-10-16 01:37:30,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:30,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:30,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:30,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:30,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856402634] [2022-10-16 01:37:30,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856402634] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:30,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:30,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 01:37:30,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926891534] [2022-10-16 01:37:30,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:30,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 01:37:30,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:30,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 01:37:30,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 01:37:30,170 INFO L87 Difference]: Start difference. First operand 294 states and 359 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2022-10-16 01:37:30,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:30,338 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2022-10-16 01:37:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 01:37:30,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) Word has length 16 [2022-10-16 01:37:30,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:30,340 INFO L225 Difference]: With dead ends: 292 [2022-10-16 01:37:30,340 INFO L226 Difference]: Without dead ends: 292 [2022-10-16 01:37:30,342 INFO L412 NwaCegarLoop]: 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 [2022-10-16 01:37:30,343 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 330 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:30,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 420 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 01:37:30,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-10-16 01:37:30,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2022-10-16 01:37:30,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 285 states have (on average 1.2526315789473683) internal successors, (357), 291 states have internal predecessors, (357), 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) [2022-10-16 01:37:30,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2022-10-16 01:37:30,353 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 16 [2022-10-16 01:37:30,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:30,353 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2022-10-16 01:37:30,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2022-10-16 01:37:30,354 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2022-10-16 01:37:30,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 01:37:30,354 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:30,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:30,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 01:37:30,355 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:30,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:30,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1029635725, now seen corresponding path program 1 times [2022-10-16 01:37:30,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:30,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164912178] [2022-10-16 01:37:30,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:30,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:30,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:30,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164912178] [2022-10-16 01:37:30,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164912178] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:30,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:30,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:30,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350171075] [2022-10-16 01:37:30,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:30,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:30,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:30,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:30,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:30,495 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2022-10-16 01:37:31,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:31,019 INFO L93 Difference]: Finished difference Result 290 states and 355 transitions. [2022-10-16 01:37:31,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 01:37:31,019 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) Word has length 17 [2022-10-16 01:37:31,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:31,024 INFO L225 Difference]: With dead ends: 290 [2022-10-16 01:37:31,024 INFO L226 Difference]: Without dead ends: 290 [2022-10-16 01:37:31,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 01:37:31,025 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 496 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:31,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 158 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 01:37:31,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-10-16 01:37:31,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 287. [2022-10-16 01:37:31,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 281 states have (on average 1.2526690391459074) internal successors, (352), 286 states have internal predecessors, (352), 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) [2022-10-16 01:37:31,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 352 transitions. [2022-10-16 01:37:31,034 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 352 transitions. Word has length 17 [2022-10-16 01:37:31,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:31,034 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 352 transitions. [2022-10-16 01:37:31,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2022-10-16 01:37:31,034 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 352 transitions. [2022-10-16 01:37:31,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 01:37:31,036 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:31,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:31,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 01:37:31,038 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:31,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:31,038 INFO L85 PathProgramCache]: Analyzing trace with hash -757672814, now seen corresponding path program 1 times [2022-10-16 01:37:31,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:31,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324587221] [2022-10-16 01:37:31,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:31,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:31,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:31,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324587221] [2022-10-16 01:37:31,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324587221] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:31,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:31,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 01:37:31,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79681959] [2022-10-16 01:37:31,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:31,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 01:37:31,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:31,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 01:37:31,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 01:37:31,142 INFO L87 Difference]: Start difference. First operand 287 states and 352 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-10-16 01:37:31,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:31,409 INFO L93 Difference]: Finished difference Result 285 states and 350 transitions. [2022-10-16 01:37:31,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 01:37:31,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) Word has length 17 [2022-10-16 01:37:31,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:31,412 INFO L225 Difference]: With dead ends: 285 [2022-10-16 01:37:31,412 INFO L226 Difference]: Without dead ends: 283 [2022-10-16 01:37:31,412 INFO L412 NwaCegarLoop]: 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 [2022-10-16 01:37:31,413 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 7 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:31,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 732 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 01:37:31,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2022-10-16 01:37:31,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2022-10-16 01:37:31,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 278 states have (on average 1.2517985611510791) internal successors, (348), 282 states have internal predecessors, (348), 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) [2022-10-16 01:37:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 348 transitions. [2022-10-16 01:37:31,420 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 348 transitions. Word has length 17 [2022-10-16 01:37:31,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:31,421 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 348 transitions. [2022-10-16 01:37:31,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-10-16 01:37:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 348 transitions. [2022-10-16 01:37:31,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 01:37:31,422 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:31,422 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:31,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 01:37:31,422 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:31,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:31,423 INFO L85 PathProgramCache]: Analyzing trace with hash -476651758, now seen corresponding path program 1 times [2022-10-16 01:37:31,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:31,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451510236] [2022-10-16 01:37:31,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:31,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:31,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:31,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:31,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451510236] [2022-10-16 01:37:31,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451510236] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:31,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:31,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:31,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912047366] [2022-10-16 01:37:31,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:31,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:31,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:31,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:31,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:31,537 INFO L87 Difference]: Start difference. First operand 283 states and 348 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-10-16 01:37:32,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:32,059 INFO L93 Difference]: Finished difference Result 295 states and 362 transitions. [2022-10-16 01:37:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 01:37:32,060 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) Word has length 18 [2022-10-16 01:37:32,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:32,061 INFO L225 Difference]: With dead ends: 295 [2022-10-16 01:37:32,061 INFO L226 Difference]: Without dead ends: 295 [2022-10-16 01:37:32,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 01:37:32,062 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 485 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:32,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 164 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 01:37:32,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2022-10-16 01:37:32,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 279. [2022-10-16 01:37:32,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 275 states have (on average 1.250909090909091) internal successors, (344), 278 states have internal predecessors, (344), 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) [2022-10-16 01:37:32,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 344 transitions. [2022-10-16 01:37:32,074 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 344 transitions. Word has length 18 [2022-10-16 01:37:32,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:32,074 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 344 transitions. [2022-10-16 01:37:32,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-10-16 01:37:32,074 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 344 transitions. [2022-10-16 01:37:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 01:37:32,075 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:32,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:32,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 01:37:32,075 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:32,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:32,076 INFO L85 PathProgramCache]: Analyzing trace with hash -423210678, now seen corresponding path program 1 times [2022-10-16 01:37:32,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:32,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239679580] [2022-10-16 01:37:32,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:32,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:32,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:32,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:32,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239679580] [2022-10-16 01:37:32,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239679580] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:32,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:32,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:32,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883160949] [2022-10-16 01:37:32,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:32,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:32,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:32,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:32,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:32,232 INFO L87 Difference]: Start difference. First operand 279 states and 344 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-10-16 01:37:32,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:32,742 INFO L93 Difference]: Finished difference Result 277 states and 342 transitions. [2022-10-16 01:37:32,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:37:32,742 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) Word has length 18 [2022-10-16 01:37:32,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:32,744 INFO L225 Difference]: With dead ends: 277 [2022-10-16 01:37:32,744 INFO L226 Difference]: Without dead ends: 275 [2022-10-16 01:37:32,745 INFO L412 NwaCegarLoop]: 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 [2022-10-16 01:37:32,745 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 462 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:32,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 154 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 01:37:32,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-10-16 01:37:32,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2022-10-16 01:37:32,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 272 states have (on average 1.25) internal successors, (340), 274 states have internal predecessors, (340), 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) [2022-10-16 01:37:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 340 transitions. [2022-10-16 01:37:32,753 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 340 transitions. Word has length 18 [2022-10-16 01:37:32,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:32,753 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 340 transitions. [2022-10-16 01:37:32,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-10-16 01:37:32,754 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 340 transitions. [2022-10-16 01:37:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 01:37:32,754 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:32,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:32,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 01:37:32,755 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:32,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:32,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1997901656, now seen corresponding path program 1 times [2022-10-16 01:37:32,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:32,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075659934] [2022-10-16 01:37:32,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:32,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:32,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:32,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:32,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075659934] [2022-10-16 01:37:32,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075659934] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:32,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:32,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:32,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105675970] [2022-10-16 01:37:32,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:32,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:32,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:32,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:32,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:32,870 INFO L87 Difference]: Start difference. First operand 275 states and 340 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-10-16 01:37:33,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:33,346 INFO L93 Difference]: Finished difference Result 282 states and 349 transitions. [2022-10-16 01:37:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 01:37:33,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) Word has length 18 [2022-10-16 01:37:33,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:33,349 INFO L225 Difference]: With dead ends: 282 [2022-10-16 01:37:33,349 INFO L226 Difference]: Without dead ends: 250 [2022-10-16 01:37:33,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 01:37:33,350 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 658 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:33,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 153 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 01:37:33,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-10-16 01:37:33,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2022-10-16 01:37:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 248 states have (on average 1.0080645161290323) internal successors, (250), 249 states have internal predecessors, (250), 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) [2022-10-16 01:37:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 250 transitions. [2022-10-16 01:37:33,356 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 250 transitions. Word has length 18 [2022-10-16 01:37:33,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:33,356 INFO L495 AbstractCegarLoop]: Abstraction has 250 states and 250 transitions. [2022-10-16 01:37:33,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-10-16 01:37:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 250 transitions. [2022-10-16 01:37:33,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-10-16 01:37:33,362 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:33,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:33,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 01:37:33,363 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:33,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:33,364 INFO L85 PathProgramCache]: Analyzing trace with hash -707619029, now seen corresponding path program 1 times [2022-10-16 01:37:33,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:33,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923752831] [2022-10-16 01:37:33,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:33,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:39,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:39,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:39,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923752831] [2022-10-16 01:37:39,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923752831] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:39,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:39,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2022-10-16 01:37:39,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905699123] [2022-10-16 01:37:39,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:39,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-10-16 01:37:39,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:39,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-10-16 01:37:39,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1834, Invalid=2072, Unknown=0, NotChecked=0, Total=3906 [2022-10-16 01:37:39,353 INFO L87 Difference]: Start difference. First operand 250 states and 250 transitions. Second operand has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 states have internal predecessors, (244), 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) [2022-10-16 01:37:40,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:40,305 INFO L93 Difference]: Finished difference Result 249 states and 249 transitions. [2022-10-16 01:37:40,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-10-16 01:37:40,306 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 states have internal predecessors, (244), 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) Word has length 244 [2022-10-16 01:37:40,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:40,307 INFO L225 Difference]: With dead ends: 249 [2022-10-16 01:37:40,308 INFO L226 Difference]: Without dead ends: 249 [2022-10-16 01:37:40,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1896, Invalid=2136, Unknown=0, NotChecked=0, Total=4032 [2022-10-16 01:37:40,310 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 566 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 1778 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 1963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 1778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:40,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 21 Invalid, 1963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 1778 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 01:37:40,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-10-16 01:37:40,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 248. [2022-10-16 01:37:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 247 states have (on average 1.0040485829959513) internal successors, (248), 247 states have internal predecessors, (248), 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) [2022-10-16 01:37:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 248 transitions. [2022-10-16 01:37:40,315 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 248 transitions. Word has length 244 [2022-10-16 01:37:40,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:40,316 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 248 transitions. [2022-10-16 01:37:40,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 states have internal predecessors, (244), 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) [2022-10-16 01:37:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 248 transitions. [2022-10-16 01:37:40,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-10-16 01:37:40,319 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:40,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:40,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 01:37:40,320 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 01:37:40,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:40,321 INFO L85 PathProgramCache]: Analyzing trace with hash -461348049, now seen corresponding path program 1 times [2022-10-16 01:37:40,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:40,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045353818] [2022-10-16 01:37:40,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:40,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:50,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:50,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045353818] [2022-10-16 01:37:50,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045353818] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:50,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:50,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 01:37:50,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596417714] [2022-10-16 01:37:50,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:50,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 01:37:50,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:50,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 01:37:50,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 01:37:50,914 INFO L87 Difference]: Start difference. First operand 248 states and 248 transitions. Second operand has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 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) [2022-10-16 01:37:51,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:51,425 INFO L93 Difference]: Finished difference Result 248 states and 248 transitions. [2022-10-16 01:37:51,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 01:37:51,428 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 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) Word has length 245 [2022-10-16 01:37:51,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:51,429 INFO L225 Difference]: With dead ends: 248 [2022-10-16 01:37:51,429 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 01:37:51,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 01:37:51,431 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 410 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:51,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 11 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 01:37:51,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 01:37:51,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 01:37:51,433 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) [2022-10-16 01:37:51,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 01:37:51,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2022-10-16 01:37:51,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:51,451 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 01:37:51,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 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) [2022-10-16 01:37:51,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 01:37:51,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 01:37:51,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (16 of 17 remaining) [2022-10-16 01:37:51,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (15 of 17 remaining) [2022-10-16 01:37:51,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (14 of 17 remaining) [2022-10-16 01:37:51,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (13 of 17 remaining) [2022-10-16 01:37:51,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (12 of 17 remaining) [2022-10-16 01:37:51,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (11 of 17 remaining) [2022-10-16 01:37:51,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (10 of 17 remaining) [2022-10-16 01:37:51,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (9 of 17 remaining) [2022-10-16 01:37:51,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK (8 of 17 remaining) [2022-10-16 01:37:51,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK (7 of 17 remaining) [2022-10-16 01:37:51,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK (6 of 17 remaining) [2022-10-16 01:37:51,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK (5 of 17 remaining) [2022-10-16 01:37:51,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK (4 of 17 remaining) [2022-10-16 01:37:51,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK (3 of 17 remaining) [2022-10-16 01:37:51,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK (2 of 17 remaining) [2022-10-16 01:37:51,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK (1 of 17 remaining) [2022-10-16 01:37:51,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK (0 of 17 remaining) [2022-10-16 01:37:51,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 01:37:51,475 INFO L444 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] [2022-10-16 01:37:51,480 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 01:37:51,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:37:51 BoogieIcfgContainer [2022-10-16 01:37:51,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 01:37:51,487 INFO L158 Benchmark]: Toolchain (without parser) took 33142.00ms. Allocated memory was 159.4MB in the beginning and 751.8MB in the end (delta: 592.4MB). Free memory was 132.8MB in the beginning and 717.2MB in the end (delta: -584.5MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. [2022-10-16 01:37:51,487 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 159.4MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 01:37:51,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 941.42ms. Allocated memory is still 159.4MB. Free memory was 132.6MB in the beginning and 126.5MB in the end (delta: 6.1MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. [2022-10-16 01:37:51,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.20ms. Allocated memory is still 159.4MB. Free memory was 126.5MB in the beginning and 119.7MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-10-16 01:37:51,489 INFO L158 Benchmark]: Boogie Preprocessor took 107.11ms. Allocated memory is still 159.4MB. Free memory was 119.7MB in the beginning and 114.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-10-16 01:37:51,490 INFO L158 Benchmark]: RCFGBuilder took 1767.66ms. Allocated memory was 159.4MB in the beginning and 204.5MB in the end (delta: 45.1MB). Free memory was 114.9MB in the beginning and 121.2MB in the end (delta: -6.2MB). Peak memory consumption was 71.4MB. Max. memory is 8.0GB. [2022-10-16 01:37:51,491 INFO L158 Benchmark]: TraceAbstraction took 30188.26ms. Allocated memory was 204.5MB in the beginning and 751.8MB in the end (delta: 547.4MB). Free memory was 120.6MB in the beginning and 717.2MB in the end (delta: -596.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 01:37:51,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 159.4MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 941.42ms. Allocated memory is still 159.4MB. Free memory was 132.6MB in the beginning and 126.5MB in the end (delta: 6.1MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 124.20ms. Allocated memory is still 159.4MB. Free memory was 126.5MB in the beginning and 119.7MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 107.11ms. Allocated memory is still 159.4MB. Free memory was 119.7MB in the beginning and 114.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1767.66ms. Allocated memory was 159.4MB in the beginning and 204.5MB in the end (delta: 45.1MB). Free memory was 114.9MB in the beginning and 121.2MB in the end (delta: -6.2MB). Peak memory consumption was 71.4MB. Max. memory is 8.0GB. * TraceAbstraction took 30188.26ms. Allocated memory was 204.5MB in the beginning and 751.8MB in the end (delta: 547.4MB). Free memory was 120.6MB in the beginning and 717.2MB in the end (delta: -596.6MB). There was no memory consumed. 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: 35]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 47]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 76]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 88]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 105]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 117]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 145]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 157]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 173]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 185]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 207]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 219]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 255]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 267]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 2604]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 2616]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 11]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 305 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 30.1s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6110 SdHoareTripleChecker+Valid, 9.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6110 mSDsluCounter, 9834 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5403 mSDsCounter, 1412 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13516 IncrementalHoareTripleChecker+Invalid, 14928 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1412 mSolverCounterUnsat, 4431 mSDtfsCounter, 13516 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 319 GetRequests, 162 SyntacticMatches, 1 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred in iteration=0, InterpolantAutomatonStates: 172, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 22 MinimizatonAttempts, 150 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 749 NumberOfCodeBlocks, 749 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 727 ConstructedInterpolants, 0 QuantifiedInterpolants, 2549 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-16 01:37:51,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...