/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.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 01:37:35,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 01:37:35,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 01:37:35,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 01:37:35,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 01:37:35,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 01:37:35,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 01:37:35,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 01:37:35,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 01:37:35,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 01:37:35,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 01:37:35,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 01:37:35,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 01:37:35,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 01:37:35,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 01:37:35,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 01:37:35,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 01:37:35,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 01:37:35,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 01:37:35,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 01:37:35,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 01:37:35,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 01:37:35,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 01:37:35,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 01:37:35,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 01:37:35,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 01:37:35,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 01:37:35,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 01:37:35,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 01:37:35,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 01:37:35,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 01:37:35,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 01:37:35,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 01:37:35,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 01:37:35,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 01:37:35,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 01:37:35,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 01:37:35,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 01:37:35,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 01:37:35,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 01:37:35,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 01:37:35,880 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 01:37:35,930 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 01:37:35,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 01:37:35,931 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 01:37:35,931 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 01:37:35,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 01:37:35,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 01:37:35,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 01:37:35,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 01:37:35,936 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 01:37:35,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 01:37:35,938 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 01:37:35,938 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 01:37:35,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 01:37:35,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 01:37:35,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 01:37:35,939 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 01:37:35,939 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 01:37:35,939 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 01:37:35,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 01:37:35,939 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 01:37:35,940 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 01:37:35,940 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 01:37:35,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 01:37:35,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 01:37:35,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 01:37:35,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 01:37:35,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 01:37:35,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 01:37:35,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 01:37:35,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 01:37:35,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 01:37:36,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 01:37:36,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 01:37:36,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 01:37:36,340 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 01:37:36,342 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 01:37:36,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2022-10-16 01:37:36,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead79da3c/d5dd60a23c67498fb5f831a145339d43/FLAG47198fde1 [2022-10-16 01:37:37,006 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 01:37:37,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2022-10-16 01:37:37,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead79da3c/d5dd60a23c67498fb5f831a145339d43/FLAG47198fde1 [2022-10-16 01:37:37,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead79da3c/d5dd60a23c67498fb5f831a145339d43 [2022-10-16 01:37:37,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 01:37:37,386 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 01:37:37,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 01:37:37,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 01:37:37,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 01:37:37,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:37:37" (1/1) ... [2022-10-16 01:37:37,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47022939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:37, skipping insertion in model container [2022-10-16 01:37:37,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:37:37" (1/1) ... [2022-10-16 01:37:37,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 01:37:37,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 01:37:37,679 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.v+nlh-reducer.c[1123,1136] [2022-10-16 01:37:37,683 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.v+nlh-reducer.c[1338,1351] [2022-10-16 01:37:37,685 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.v+nlh-reducer.c[1654,1667] [2022-10-16 01:37:37,687 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.v+nlh-reducer.c[1869,1882] [2022-10-16 01:37:37,690 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.v+nlh-reducer.c[2402,2415] [2022-10-16 01:37:37,692 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.v+nlh-reducer.c[2617,2630] [2022-10-16 01:37:37,695 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.v+nlh-reducer.c[2919,2932] [2022-10-16 01:37:37,697 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.v+nlh-reducer.c[3134,3147] [2022-10-16 01:37:37,699 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.v+nlh-reducer.c[3404,3417] [2022-10-16 01:37:37,701 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.v+nlh-reducer.c[3622,3635] [2022-10-16 01:37:37,705 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.v+nlh-reducer.c[4106,4119] [2022-10-16 01:37:37,707 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.v+nlh-reducer.c[4324,4337] [2022-10-16 01:37:37,710 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.v+nlh-reducer.c[4820,4833] [2022-10-16 01:37:37,712 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.v+nlh-reducer.c[5221,5234] [2022-10-16 01:37:37,714 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.v+nlh-reducer.c[5439,5452] [2022-10-16 01:37:37,717 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.v+nlh-reducer.c[5881,5894] [2022-10-16 01:37:37,718 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.v+nlh-reducer.c[6099,6112] [2022-10-16 01:37:37,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 01:37:37,731 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 01:37:37,748 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.v+nlh-reducer.c[1123,1136] [2022-10-16 01:37:37,750 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.v+nlh-reducer.c[1338,1351] [2022-10-16 01:37:37,752 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.v+nlh-reducer.c[1654,1667] [2022-10-16 01:37:37,757 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.v+nlh-reducer.c[1869,1882] [2022-10-16 01:37:37,762 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.v+nlh-reducer.c[2402,2415] [2022-10-16 01:37:37,764 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.v+nlh-reducer.c[2617,2630] [2022-10-16 01:37:37,766 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.v+nlh-reducer.c[2919,2932] [2022-10-16 01:37:37,770 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.v+nlh-reducer.c[3134,3147] [2022-10-16 01:37:37,775 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.v+nlh-reducer.c[3404,3417] [2022-10-16 01:37:37,777 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.v+nlh-reducer.c[3622,3635] [2022-10-16 01:37:37,783 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.v+nlh-reducer.c[4106,4119] [2022-10-16 01:37:37,785 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.v+nlh-reducer.c[4324,4337] [2022-10-16 01:37:37,792 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.v+nlh-reducer.c[4820,4833] [2022-10-16 01:37:37,797 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.v+nlh-reducer.c[5221,5234] [2022-10-16 01:37:37,798 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.v+nlh-reducer.c[5439,5452] [2022-10-16 01:37:37,802 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.v+nlh-reducer.c[5881,5894] [2022-10-16 01:37:37,805 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.v+nlh-reducer.c[6099,6112] [2022-10-16 01:37:37,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 01:37:37,833 INFO L208 MainTranslator]: Completed translation [2022-10-16 01:37:37,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:37 WrapperNode [2022-10-16 01:37:37,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 01:37:37,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 01:37:37,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 01:37:37,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 01:37:37,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:37" (1/1) ... [2022-10-16 01:37:37,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:37" (1/1) ... [2022-10-16 01:37:37,919 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 229 [2022-10-16 01:37:37,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 01:37:37,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 01:37:37,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 01:37:37,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 01:37:37,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:37" (1/1) ... [2022-10-16 01:37:37,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:37" (1/1) ... [2022-10-16 01:37:37,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:37" (1/1) ... [2022-10-16 01:37:37,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:37" (1/1) ... [2022-10-16 01:37:37,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:37" (1/1) ... [2022-10-16 01:37:37,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:37" (1/1) ... [2022-10-16 01:37:37,975 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:37" (1/1) ... [2022-10-16 01:37:37,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:37" (1/1) ... [2022-10-16 01:37:37,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 01:37:37,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 01:37:37,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 01:37:37,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 01:37:37,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:37" (1/1) ... [2022-10-16 01:37:37,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 01:37:38,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 01:37:38,021 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 01:37:38,042 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 01:37:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 01:37:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 01:37:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 01:37:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 01:37:38,214 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 01:37:38,216 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 01:37:38,500 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 01:37:38,509 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 01:37:38,509 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 01:37:38,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:37:38 BoogieIcfgContainer [2022-10-16 01:37:38,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 01:37:38,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 01:37:38,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 01:37:38,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 01:37:38,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:37:37" (1/3) ... [2022-10-16 01:37:38,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8bdd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:37:38, skipping insertion in model container [2022-10-16 01:37:38,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:37:37" (2/3) ... [2022-10-16 01:37:38,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8bdd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:37:38, skipping insertion in model container [2022-10-16 01:37:38,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:37:38" (3/3) ... [2022-10-16 01:37:38,525 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+nlh-reducer.c [2022-10-16 01:37:38,551 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 01:37:38,551 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-10-16 01:37:38,649 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 01:37:38,667 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;@1cd3ecc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 01:37:38,668 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-10-16 01:37:38,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 53 states have (on average 1.8679245283018868) internal successors, (99), 71 states have internal predecessors, (99), 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 01:37:38,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 01:37:38,684 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:38,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 01:37:38,685 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:38,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:38,699 INFO L85 PathProgramCache]: Analyzing trace with hash 931365, now seen corresponding path program 1 times [2022-10-16 01:37:38,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:38,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149970173] [2022-10-16 01:37:38,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:38,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:38,886 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 01:37:38,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:38,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149970173] [2022-10-16 01:37:38,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149970173] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:38,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:38,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 01:37:38,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779962517] [2022-10-16 01:37:38,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:38,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 01:37:38,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:38,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 01:37:38,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 01:37:38,930 INFO L87 Difference]: Start difference. First operand has 72 states, 53 states have (on average 1.8679245283018868) internal successors, (99), 71 states have internal predecessors, (99), 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 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 01:37:38,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:38,960 INFO L93 Difference]: Finished difference Result 71 states and 81 transitions. [2022-10-16 01:37:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 01:37:38,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-10-16 01:37:38,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:38,980 INFO L225 Difference]: With dead ends: 71 [2022-10-16 01:37:38,981 INFO L226 Difference]: Without dead ends: 67 [2022-10-16 01:37:38,983 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 01:37:38,987 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 78 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 80 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 01:37:38,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 80 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:37:39,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-10-16 01:37:39,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-10-16 01:37:39,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 50 states have (on average 1.42) internal successors, (71), 66 states have internal predecessors, (71), 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 01:37:39,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2022-10-16 01:37:39,029 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 4 [2022-10-16 01:37:39,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:39,029 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2022-10-16 01:37:39,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 01:37:39,030 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2022-10-16 01:37:39,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 01:37:39,031 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:39,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:39,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 01:37:39,031 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:39,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:39,032 INFO L85 PathProgramCache]: Analyzing trace with hash 123971630, now seen corresponding path program 1 times [2022-10-16 01:37:39,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:39,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516260893] [2022-10-16 01:37:39,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:39,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:39,277 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 01:37:39,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:39,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516260893] [2022-10-16 01:37:39,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516260893] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:39,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:39,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 01:37:39,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493606396] [2022-10-16 01:37:39,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:39,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 01:37:39,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:39,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 01:37:39,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 01:37:39,282 INFO L87 Difference]: Start difference. First operand 67 states and 71 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 01:37:39,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:39,403 INFO L93 Difference]: Finished difference Result 109 states and 115 transitions. [2022-10-16 01:37:39,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:37:39,404 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 01:37:39,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:39,406 INFO L225 Difference]: With dead ends: 109 [2022-10-16 01:37:39,406 INFO L226 Difference]: Without dead ends: 109 [2022-10-16 01:37:39,406 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 01:37:39,409 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 71 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:39,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 214 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:37:39,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-10-16 01:37:39,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 65. [2022-10-16 01:37:39,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 64 states have internal predecessors, (69), 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 01:37:39,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2022-10-16 01:37:39,431 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 8 [2022-10-16 01:37:39,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:39,431 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2022-10-16 01:37:39,432 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 01:37:39,432 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2022-10-16 01:37:39,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 01:37:39,432 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:39,433 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:39,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 01:37:39,434 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:39,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:39,436 INFO L85 PathProgramCache]: Analyzing trace with hash 120336139, now seen corresponding path program 1 times [2022-10-16 01:37:39,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:39,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934857113] [2022-10-16 01:37:39,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:39,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:39,634 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 01:37:39,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:39,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934857113] [2022-10-16 01:37:39,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934857113] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:39,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:39,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 01:37:39,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908914306] [2022-10-16 01:37:39,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:39,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 01:37:39,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:39,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 01:37:39,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 01:37:39,638 INFO L87 Difference]: Start difference. First operand 65 states and 69 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 01:37:39,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:39,736 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2022-10-16 01:37:39,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 01:37:39,737 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 01:37:39,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:39,738 INFO L225 Difference]: With dead ends: 63 [2022-10-16 01:37:39,738 INFO L226 Difference]: Without dead ends: 63 [2022-10-16 01:37:39,739 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 01:37:39,740 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 97 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:39,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 56 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:37:39,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-10-16 01:37:39,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-10-16 01:37:39,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 62 states have internal predecessors, (67), 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 01:37:39,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2022-10-16 01:37:39,756 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 8 [2022-10-16 01:37:39,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:39,757 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2022-10-16 01:37:39,757 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 01:37:39,757 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-10-16 01:37:39,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 01:37:39,758 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:39,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:39,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 01:37:39,759 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:39,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:39,760 INFO L85 PathProgramCache]: Analyzing trace with hash -564542931, now seen corresponding path program 1 times [2022-10-16 01:37:39,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:39,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743477621] [2022-10-16 01:37:39,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:39,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:39,906 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 01:37:39,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:39,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743477621] [2022-10-16 01:37:39,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743477621] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:39,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:39,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 01:37:39,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817787350] [2022-10-16 01:37:39,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:39,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 01:37:39,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:39,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 01:37:39,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 01:37:39,910 INFO L87 Difference]: Start difference. First operand 63 states and 67 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 01:37:39,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:39,998 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2022-10-16 01:37:39,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:37:39,999 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 01:37:40,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:40,000 INFO L225 Difference]: With dead ends: 67 [2022-10-16 01:37:40,001 INFO L226 Difference]: Without dead ends: 67 [2022-10-16 01:37:40,001 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 01:37:40,003 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 42 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:40,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 117 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:37:40,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-10-16 01:37:40,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2022-10-16 01:37:40,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 65 states have internal predecessors, (70), 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 01:37:40,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2022-10-16 01:37:40,021 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 9 [2022-10-16 01:37:40,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:40,024 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2022-10-16 01:37:40,024 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 01:37:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2022-10-16 01:37:40,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 01:37:40,025 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:40,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:40,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 01:37:40,026 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:40,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:40,029 INFO L85 PathProgramCache]: Analyzing trace with hash -429055130, now seen corresponding path program 1 times [2022-10-16 01:37:40,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:40,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556733113] [2022-10-16 01:37:40,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:40,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:40,160 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 01:37:40,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:40,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556733113] [2022-10-16 01:37:40,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556733113] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:40,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:40,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 01:37:40,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518614881] [2022-10-16 01:37:40,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:40,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 01:37:40,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:40,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 01:37:40,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:37:40,164 INFO L87 Difference]: Start difference. First operand 66 states and 70 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 01:37:40,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:40,258 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2022-10-16 01:37:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:37:40,259 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 01:37:40,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:40,260 INFO L225 Difference]: With dead ends: 65 [2022-10-16 01:37:40,260 INFO L226 Difference]: Without dead ends: 65 [2022-10-16 01:37:40,261 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 01:37:40,262 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 59 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:40,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 113 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:37:40,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-10-16 01:37:40,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64. [2022-10-16 01:37:40,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 50 states have (on average 1.36) internal successors, (68), 63 states have internal predecessors, (68), 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 01:37:40,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2022-10-16 01:37:40,270 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 11 [2022-10-16 01:37:40,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:40,271 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2022-10-16 01:37:40,271 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 01:37:40,271 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2022-10-16 01:37:40,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 01:37:40,272 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:40,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:40,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 01:37:40,273 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:40,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:40,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1359750351, now seen corresponding path program 1 times [2022-10-16 01:37:40,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:40,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287101236] [2022-10-16 01:37:40,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:40,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:40,364 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 01:37:40,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:40,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287101236] [2022-10-16 01:37:40,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287101236] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:40,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:40,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 01:37:40,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752052596] [2022-10-16 01:37:40,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:40,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 01:37:40,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:40,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 01:37:40,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:37:40,370 INFO L87 Difference]: Start difference. First operand 64 states and 68 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 01:37:40,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:40,460 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2022-10-16 01:37:40,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:37:40,461 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 01:37:40,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:40,463 INFO L225 Difference]: With dead ends: 63 [2022-10-16 01:37:40,464 INFO L226 Difference]: Without dead ends: 63 [2022-10-16 01:37:40,465 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 01:37:40,469 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 57 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:40,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 107 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:37:40,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-10-16 01:37:40,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 62. [2022-10-16 01:37:40,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 49 states have (on average 1.346938775510204) internal successors, (66), 61 states have internal predecessors, (66), 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 01:37:40,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2022-10-16 01:37:40,487 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 11 [2022-10-16 01:37:40,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:40,487 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2022-10-16 01:37:40,487 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 01:37:40,488 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2022-10-16 01:37:40,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 01:37:40,489 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:40,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:40,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 01:37:40,489 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:40,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:40,490 INFO L85 PathProgramCache]: Analyzing trace with hash -415802953, now seen corresponding path program 1 times [2022-10-16 01:37:40,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:40,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034620217] [2022-10-16 01:37:40,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:40,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:40,554 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 01:37:40,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:40,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034620217] [2022-10-16 01:37:40,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034620217] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:40,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:40,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 01:37:40,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831912898] [2022-10-16 01:37:40,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:40,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 01:37:40,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:40,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 01:37:40,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 01:37:40,558 INFO L87 Difference]: Start difference. First operand 62 states and 66 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 01:37:40,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:40,602 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2022-10-16 01:37:40,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 01:37:40,603 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 01:37:40,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:40,604 INFO L225 Difference]: With dead ends: 61 [2022-10-16 01:37:40,604 INFO L226 Difference]: Without dead ends: 59 [2022-10-16 01:37:40,605 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 01:37:40,606 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 16 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:40,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 126 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:37:40,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-10-16 01:37:40,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2022-10-16 01:37:40,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 57 states have internal predecessors, (62), 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 01:37:40,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2022-10-16 01:37:40,612 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 12 [2022-10-16 01:37:40,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:40,612 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2022-10-16 01:37:40,612 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 01:37:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2022-10-16 01:37:40,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 01:37:40,613 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:40,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:40,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 01:37:40,614 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:40,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:40,615 INFO L85 PathProgramCache]: Analyzing trace with hash -415312395, now seen corresponding path program 1 times [2022-10-16 01:37:40,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:40,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954383122] [2022-10-16 01:37:40,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:40,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:40,688 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 01:37:40,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:40,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954383122] [2022-10-16 01:37:40,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954383122] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:40,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:40,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 01:37:40,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989651485] [2022-10-16 01:37:40,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:40,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 01:37:40,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:40,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 01:37:40,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:37:40,692 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 01:37:40,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:40,788 INFO L93 Difference]: Finished difference Result 98 states and 105 transitions. [2022-10-16 01:37:40,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:37:40,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 01:37:40,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:40,789 INFO L225 Difference]: With dead ends: 98 [2022-10-16 01:37:40,790 INFO L226 Difference]: Without dead ends: 98 [2022-10-16 01:37:40,790 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 01:37:40,791 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 91 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:40,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 144 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:37:40,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-10-16 01:37:40,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 56. [2022-10-16 01:37:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 55 states have internal predecessors, (60), 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 01:37:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2022-10-16 01:37:40,796 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 12 [2022-10-16 01:37:40,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:40,796 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2022-10-16 01:37:40,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 01:37:40,797 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2022-10-16 01:37:40,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 01:37:40,798 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:40,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:40,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 01:37:40,798 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:40,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:40,799 INFO L85 PathProgramCache]: Analyzing trace with hash 797416153, now seen corresponding path program 1 times [2022-10-16 01:37:40,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:40,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256777312] [2022-10-16 01:37:40,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:40,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:40,856 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 01:37:40,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:40,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256777312] [2022-10-16 01:37:40,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256777312] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:40,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:40,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 01:37:40,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616395216] [2022-10-16 01:37:40,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:40,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 01:37:40,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:40,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 01:37:40,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 01:37:40,859 INFO L87 Difference]: Start difference. First operand 56 states and 60 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 01:37:40,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:40,900 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2022-10-16 01:37:40,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 01:37:40,901 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 01:37:40,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:40,901 INFO L225 Difference]: With dead ends: 55 [2022-10-16 01:37:40,901 INFO L226 Difference]: Without dead ends: 53 [2022-10-16 01:37:40,902 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 01:37:40,903 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 13 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:40,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 114 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:37:40,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-10-16 01:37:40,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2022-10-16 01:37:40,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 51 states have internal predecessors, (56), 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 01:37:40,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2022-10-16 01:37:40,907 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 12 [2022-10-16 01:37:40,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:40,908 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2022-10-16 01:37:40,908 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 01:37:40,908 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2022-10-16 01:37:40,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 01:37:40,909 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:40,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:40,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 01:37:40,910 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:40,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:40,910 INFO L85 PathProgramCache]: Analyzing trace with hash 10221853, now seen corresponding path program 1 times [2022-10-16 01:37:40,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:40,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400639138] [2022-10-16 01:37:40,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:40,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:41,063 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 01:37:41,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:41,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400639138] [2022-10-16 01:37:41,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400639138] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:41,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:41,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:41,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667486668] [2022-10-16 01:37:41,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:41,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:41,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:41,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:41,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:41,067 INFO L87 Difference]: Start difference. First operand 52 states and 56 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 01:37:41,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:41,168 INFO L93 Difference]: Finished difference Result 116 states and 125 transitions. [2022-10-16 01:37:41,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 01:37:41,170 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 01:37:41,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:41,171 INFO L225 Difference]: With dead ends: 116 [2022-10-16 01:37:41,171 INFO L226 Difference]: Without dead ends: 116 [2022-10-16 01:37:41,172 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 01:37:41,174 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 88 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:41,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 201 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:37:41,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-10-16 01:37:41,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 57. [2022-10-16 01:37:41,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 56 states have internal predecessors, (62), 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 01:37:41,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2022-10-16 01:37:41,186 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 62 transitions. Word has length 13 [2022-10-16 01:37:41,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:41,186 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 62 transitions. [2022-10-16 01:37:41,186 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 01:37:41,186 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2022-10-16 01:37:41,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 01:37:41,191 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:41,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:41,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 01:37:41,192 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:41,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:41,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1032848570, now seen corresponding path program 1 times [2022-10-16 01:37:41,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:41,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836779082] [2022-10-16 01:37:41,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:41,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:41,259 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 01:37:41,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:41,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836779082] [2022-10-16 01:37:41,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836779082] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:41,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:41,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 01:37:41,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488806551] [2022-10-16 01:37:41,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:41,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 01:37:41,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:41,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 01:37:41,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:37:41,270 INFO L87 Difference]: Start difference. First operand 57 states and 62 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 01:37:41,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:41,352 INFO L93 Difference]: Finished difference Result 72 states and 79 transitions. [2022-10-16 01:37:41,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:37:41,353 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 01:37:41,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:41,354 INFO L225 Difference]: With dead ends: 72 [2022-10-16 01:37:41,354 INFO L226 Difference]: Without dead ends: 72 [2022-10-16 01:37:41,354 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 01:37:41,355 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 67 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:41,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 103 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:37:41,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-10-16 01:37:41,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 55. [2022-10-16 01:37:41,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 54 states have internal predecessors, (60), 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 01:37:41,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2022-10-16 01:37:41,366 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 60 transitions. Word has length 13 [2022-10-16 01:37:41,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:41,366 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 60 transitions. [2022-10-16 01:37:41,366 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 01:37:41,367 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2022-10-16 01:37:41,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 01:37:41,367 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:41,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:41,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 01:37:41,368 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:41,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:41,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1031124666, now seen corresponding path program 1 times [2022-10-16 01:37:41,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:41,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067793898] [2022-10-16 01:37:41,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:41,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:41,468 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 01:37:41,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:41,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067793898] [2022-10-16 01:37:41,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067793898] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:41,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:41,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 01:37:41,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572846654] [2022-10-16 01:37:41,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:41,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 01:37:41,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:41,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 01:37:41,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:37:41,471 INFO L87 Difference]: Start difference. First operand 55 states and 60 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 01:37:41,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:41,533 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2022-10-16 01:37:41,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:37:41,533 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 01:37:41,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:41,534 INFO L225 Difference]: With dead ends: 53 [2022-10-16 01:37:41,534 INFO L226 Difference]: Without dead ends: 53 [2022-10-16 01:37:41,535 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 01:37:41,536 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 41 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:41,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 77 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:37:41,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-10-16 01:37:41,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-10-16 01:37:41,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 45 states have (on average 1.288888888888889) internal successors, (58), 52 states have internal predecessors, (58), 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 01:37:41,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2022-10-16 01:37:41,539 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 13 [2022-10-16 01:37:41,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:41,540 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2022-10-16 01:37:41,540 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 01:37:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2022-10-16 01:37:41,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 01:37:41,542 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:41,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:41,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 01:37:41,543 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:41,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:41,544 INFO L85 PathProgramCache]: Analyzing trace with hash 310078394, now seen corresponding path program 1 times [2022-10-16 01:37:41,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:41,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199039083] [2022-10-16 01:37:41,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:41,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:41,711 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 01:37:41,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:41,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199039083] [2022-10-16 01:37:41,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199039083] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:41,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:41,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:41,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537720719] [2022-10-16 01:37:41,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:41,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:41,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:41,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:41,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:41,714 INFO L87 Difference]: Start difference. First operand 53 states and 58 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 01:37:41,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:41,803 INFO L93 Difference]: Finished difference Result 76 states and 83 transitions. [2022-10-16 01:37:41,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 01:37:41,803 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 01:37:41,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:41,805 INFO L225 Difference]: With dead ends: 76 [2022-10-16 01:37:41,805 INFO L226 Difference]: Without dead ends: 76 [2022-10-16 01:37:41,806 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 01:37:41,807 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 80 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:41,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 108 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:37:41,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-10-16 01:37:41,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 53. [2022-10-16 01:37:41,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 45 states have (on average 1.288888888888889) internal successors, (58), 52 states have internal predecessors, (58), 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 01:37:41,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2022-10-16 01:37:41,815 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 14 [2022-10-16 01:37:41,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:41,817 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2022-10-16 01:37:41,817 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 01:37:41,817 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2022-10-16 01:37:41,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 01:37:41,818 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:41,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:41,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 01:37:41,819 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:41,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:41,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1953530500, now seen corresponding path program 1 times [2022-10-16 01:37:41,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:41,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791869368] [2022-10-16 01:37:41,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:41,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:42,024 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 01:37:42,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:42,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791869368] [2022-10-16 01:37:42,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791869368] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:42,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:42,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:42,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496302329] [2022-10-16 01:37:42,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:42,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:42,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:42,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:42,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:42,027 INFO L87 Difference]: Start difference. First operand 53 states and 58 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 01:37:42,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:42,109 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2022-10-16 01:37:42,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 01:37:42,109 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 01:37:42,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:42,110 INFO L225 Difference]: With dead ends: 90 [2022-10-16 01:37:42,110 INFO L226 Difference]: Without dead ends: 90 [2022-10-16 01:37:42,111 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 01:37:42,112 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 58 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:42,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 131 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:37:42,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-10-16 01:37:42,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 61. [2022-10-16 01:37:42,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 60 states have internal predecessors, (68), 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 01:37:42,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions. [2022-10-16 01:37:42,117 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 68 transitions. Word has length 14 [2022-10-16 01:37:42,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:42,118 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 68 transitions. [2022-10-16 01:37:42,118 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 01:37:42,118 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2022-10-16 01:37:42,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 01:37:42,119 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:42,120 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:42,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 01:37:42,120 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:42,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:42,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1951983355, now seen corresponding path program 1 times [2022-10-16 01:37:42,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:42,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738695564] [2022-10-16 01:37:42,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:42,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:42,193 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 01:37:42,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:42,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738695564] [2022-10-16 01:37:42,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738695564] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:42,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:42,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 01:37:42,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639190347] [2022-10-16 01:37:42,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:42,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 01:37:42,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:42,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 01:37:42,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:37:42,196 INFO L87 Difference]: Start difference. First operand 61 states and 68 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 01:37:42,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:42,270 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2022-10-16 01:37:42,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:37:42,270 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 01:37:42,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:42,271 INFO L225 Difference]: With dead ends: 79 [2022-10-16 01:37:42,271 INFO L226 Difference]: Without dead ends: 79 [2022-10-16 01:37:42,273 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 01:37:42,274 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 58 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:42,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 95 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:37:42,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-10-16 01:37:42,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 59. [2022-10-16 01:37:42,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 58 states have internal predecessors, (66), 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 01:37:42,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2022-10-16 01:37:42,277 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 14 [2022-10-16 01:37:42,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:42,278 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2022-10-16 01:37:42,278 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 01:37:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2022-10-16 01:37:42,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 01:37:42,279 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:42,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:42,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 01:37:42,279 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:42,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:42,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1900089420, now seen corresponding path program 1 times [2022-10-16 01:37:42,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:42,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086249848] [2022-10-16 01:37:42,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:42,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:42,465 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 01:37:42,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:42,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086249848] [2022-10-16 01:37:42,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086249848] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:42,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:42,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:42,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864068852] [2022-10-16 01:37:42,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:42,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:42,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:42,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:42,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:42,470 INFO L87 Difference]: Start difference. First operand 59 states and 66 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 01:37:42,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:42,537 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2022-10-16 01:37:42,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 01:37:42,538 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 01:37:42,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:42,538 INFO L225 Difference]: With dead ends: 68 [2022-10-16 01:37:42,539 INFO L226 Difference]: Without dead ends: 66 [2022-10-16 01:37:42,539 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 01:37:42,539 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 30 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:42,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 96 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:37:42,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-10-16 01:37:42,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 60. [2022-10-16 01:37:42,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 59 states have internal predecessors, (67), 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 01:37:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 67 transitions. [2022-10-16 01:37:42,543 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 67 transitions. Word has length 14 [2022-10-16 01:37:42,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:42,544 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 67 transitions. [2022-10-16 01:37:42,544 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 01:37:42,544 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2022-10-16 01:37:42,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 01:37:42,544 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:42,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:42,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 01:37:42,546 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:42,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:42,547 INFO L85 PathProgramCache]: Analyzing trace with hash -381937728, now seen corresponding path program 1 times [2022-10-16 01:37:42,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:42,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416437083] [2022-10-16 01:37:42,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:42,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:42,710 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 01:37:42,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:42,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416437083] [2022-10-16 01:37:42,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416437083] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:42,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:42,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:42,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173167319] [2022-10-16 01:37:42,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:42,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:42,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:42,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:42,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:42,713 INFO L87 Difference]: Start difference. First operand 60 states and 67 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 01:37:42,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:42,807 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2022-10-16 01:37:42,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 01:37:42,808 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 01:37:42,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:42,808 INFO L225 Difference]: With dead ends: 85 [2022-10-16 01:37:42,809 INFO L226 Difference]: Without dead ends: 85 [2022-10-16 01:37:42,809 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 01:37:42,810 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 44 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:42,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 180 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:37:42,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-10-16 01:37:42,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 63. [2022-10-16 01:37:42,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 56 states have (on average 1.25) internal successors, (70), 62 states have internal predecessors, (70), 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 01:37:42,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2022-10-16 01:37:42,814 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 15 [2022-10-16 01:37:42,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:42,814 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2022-10-16 01:37:42,814 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 01:37:42,814 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2022-10-16 01:37:42,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 01:37:42,815 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:42,815 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:42,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 01:37:42,816 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:42,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:42,816 INFO L85 PathProgramCache]: Analyzing trace with hash -441974753, now seen corresponding path program 1 times [2022-10-16 01:37:42,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:42,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961887413] [2022-10-16 01:37:42,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:42,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:42,902 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 01:37:42,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:42,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961887413] [2022-10-16 01:37:42,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961887413] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:42,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:42,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 01:37:42,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561330944] [2022-10-16 01:37:42,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:42,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 01:37:42,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:42,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 01:37:42,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 01:37:42,904 INFO L87 Difference]: Start difference. First operand 63 states and 70 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 01:37:42,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:42,924 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2022-10-16 01:37:42,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 01:37:42,925 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 01:37:42,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:42,927 INFO L225 Difference]: With dead ends: 61 [2022-10-16 01:37:42,927 INFO L226 Difference]: Without dead ends: 61 [2022-10-16 01:37:42,927 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 01:37:42,928 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 35 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:42,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 64 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:37:42,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-10-16 01:37:42,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-10-16 01:37:42,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 60 states have internal predecessors, (68), 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 01:37:42,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions. [2022-10-16 01:37:42,931 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 68 transitions. Word has length 16 [2022-10-16 01:37:42,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:42,932 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 68 transitions. [2022-10-16 01:37:42,932 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 01:37:42,932 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2022-10-16 01:37:42,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 01:37:42,932 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:42,933 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 01:37:42,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 01:37:42,933 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:42,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:42,933 INFO L85 PathProgramCache]: Analyzing trace with hash -816311340, now seen corresponding path program 1 times [2022-10-16 01:37:42,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:42,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410306936] [2022-10-16 01:37:42,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:42,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:42,994 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 01:37:42,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:42,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410306936] [2022-10-16 01:37:42,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410306936] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:42,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:42,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 01:37:42,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771616120] [2022-10-16 01:37:42,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:42,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 01:37:42,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:42,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 01:37:42,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 01:37:42,999 INFO L87 Difference]: Start difference. First operand 61 states and 68 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 01:37:43,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:43,029 INFO L93 Difference]: Finished difference Result 59 states and 66 transitions. [2022-10-16 01:37:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 01:37:43,030 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 01:37:43,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:43,030 INFO L225 Difference]: With dead ends: 59 [2022-10-16 01:37:43,031 INFO L226 Difference]: Without dead ends: 57 [2022-10-16 01:37:43,031 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 01:37:43,032 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 8 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:43,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 86 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:37:43,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-10-16 01:37:43,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-10-16 01:37:43,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 56 states have internal predecessors, (64), 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 01:37:43,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2022-10-16 01:37:43,034 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 17 [2022-10-16 01:37:43,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:43,035 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions. [2022-10-16 01:37:43,035 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 01:37:43,035 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2022-10-16 01:37:43,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 01:37:43,036 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:43,036 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:43,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 01:37:43,036 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:43,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:43,037 INFO L85 PathProgramCache]: Analyzing trace with hash -508949322, now seen corresponding path program 1 times [2022-10-16 01:37:43,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:43,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301591920] [2022-10-16 01:37:43,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:43,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:43,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:43,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:43,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301591920] [2022-10-16 01:37:43,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301591920] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 01:37:43,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163920168] [2022-10-16 01:37:43,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:43,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:37:43,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 01:37:43,148 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 01:37:43,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 01:37:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:43,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 01:37:43,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 01:37:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:43,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 01:37:43,501 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 01:37:43,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163920168] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 01:37:43,501 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 01:37:43,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 5] total 13 [2022-10-16 01:37:43,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600486344] [2022-10-16 01:37:43,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 01:37:43,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 01:37:43,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:43,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 01:37:43,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-10-16 01:37:43,504 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 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 01:37:43,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:43,752 INFO L93 Difference]: Finished difference Result 102 states and 114 transitions. [2022-10-16 01:37:43,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 01:37:43,753 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 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 01:37:43,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:43,754 INFO L225 Difference]: With dead ends: 102 [2022-10-16 01:37:43,754 INFO L226 Difference]: Without dead ends: 102 [2022-10-16 01:37:43,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 26 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2022-10-16 01:37:43,755 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 276 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:43,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 132 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 01:37:43,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-10-16 01:37:43,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 53. [2022-10-16 01:37:43,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 52 states have internal predecessors, (60), 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 01:37:43,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2022-10-16 01:37:43,758 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 18 [2022-10-16 01:37:43,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:43,759 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2022-10-16 01:37:43,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 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 01:37:43,759 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2022-10-16 01:37:43,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 01:37:43,759 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:43,760 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 01:37:43,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 01:37:43,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:37:43,974 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:43,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:43,975 INFO L85 PathProgramCache]: Analyzing trace with hash 479271318, now seen corresponding path program 1 times [2022-10-16 01:37:43,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:43,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164737688] [2022-10-16 01:37:43,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:43,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:44,093 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 01:37:44,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:44,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164737688] [2022-10-16 01:37:44,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164737688] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:44,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:44,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:44,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108913650] [2022-10-16 01:37:44,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:44,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:44,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:44,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:44,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:44,096 INFO L87 Difference]: Start difference. First operand 53 states and 60 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 01:37:44,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:44,176 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2022-10-16 01:37:44,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 01:37:44,176 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 01:37:44,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:44,177 INFO L225 Difference]: With dead ends: 66 [2022-10-16 01:37:44,177 INFO L226 Difference]: Without dead ends: 66 [2022-10-16 01:37:44,178 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 01:37:44,179 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 92 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:44,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 43 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:37:44,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-10-16 01:37:44,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 48. [2022-10-16 01:37:44,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 47 states have internal predecessors, (55), 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 01:37:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2022-10-16 01:37:44,182 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 18 [2022-10-16 01:37:44,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:44,182 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2022-10-16 01:37:44,182 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 01:37:44,182 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2022-10-16 01:37:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 01:37:44,183 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:44,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:44,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 01:37:44,183 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:44,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:44,184 INFO L85 PathProgramCache]: Analyzing trace with hash 397067279, now seen corresponding path program 1 times [2022-10-16 01:37:44,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:44,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042901837] [2022-10-16 01:37:44,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:44,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:44,292 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 01:37:44,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:44,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042901837] [2022-10-16 01:37:44,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042901837] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:44,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:44,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:44,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97356763] [2022-10-16 01:37:44,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:44,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:44,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:44,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:44,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:44,294 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 01:37:44,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:44,373 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2022-10-16 01:37:44,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 01:37:44,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2022-10-16 01:37:44,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:44,374 INFO L225 Difference]: With dead ends: 58 [2022-10-16 01:37:44,374 INFO L226 Difference]: Without dead ends: 58 [2022-10-16 01:37:44,375 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 01:37:44,375 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 83 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:44,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 37 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:37:44,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-10-16 01:37:44,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 43. [2022-10-16 01:37:44,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 42 states have internal predecessors, (49), 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 01:37:44,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2022-10-16 01:37:44,378 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 19 [2022-10-16 01:37:44,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:44,378 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2022-10-16 01:37:44,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 01:37:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-10-16 01:37:44,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 01:37:44,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:44,379 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:44,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 01:37:44,380 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:44,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:44,380 INFO L85 PathProgramCache]: Analyzing trace with hash 450508359, now seen corresponding path program 1 times [2022-10-16 01:37:44,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:44,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858303527] [2022-10-16 01:37:44,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:44,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:44,503 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 01:37:44,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:44,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858303527] [2022-10-16 01:37:44,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858303527] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:37:44,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:37:44,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 01:37:44,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18768322] [2022-10-16 01:37:44,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:37:44,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 01:37:44,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:44,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 01:37:44,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:37:44,506 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 01:37:44,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:44,563 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2022-10-16 01:37:44,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:37:44,564 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2022-10-16 01:37:44,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:44,564 INFO L225 Difference]: With dead ends: 41 [2022-10-16 01:37:44,564 INFO L226 Difference]: Without dead ends: 20 [2022-10-16 01:37:44,565 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 01:37:44,565 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 45 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:44,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 28 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:37:44,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-10-16 01:37:44,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-10-16 01:37:44,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 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 01:37:44,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-10-16 01:37:44,568 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 19 [2022-10-16 01:37:44,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:44,568 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2022-10-16 01:37:44,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 01:37:44,569 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-10-16 01:37:44,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 01:37:44,569 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:37:44,569 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:37:44,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 01:37:44,570 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 15 more)] === [2022-10-16 01:37:44,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:37:44,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1395641153, now seen corresponding path program 1 times [2022-10-16 01:37:44,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:37:44,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118139397] [2022-10-16 01:37:44,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:44,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:37:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:44,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:44,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:37:44,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118139397] [2022-10-16 01:37:44,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118139397] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 01:37:44,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121564528] [2022-10-16 01:37:44,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:37:44,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:37:44,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 01:37:44,696 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 01:37:44,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 01:37:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:37:44,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 01:37:44,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 01:37:44,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:37:44,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 01:37:44,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 01:37:44,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121564528] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 01:37:44,976 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 01:37:44,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 5] total 13 [2022-10-16 01:37:44,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964108896] [2022-10-16 01:37:44,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 01:37:44,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 01:37:44,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:37:44,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 01:37:44,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-10-16 01:37:44,978 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 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 01:37:45,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:37:45,046 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2022-10-16 01:37:45,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 01:37:45,047 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 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 19 [2022-10-16 01:37:45,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:37:45,047 INFO L225 Difference]: With dead ends: 29 [2022-10-16 01:37:45,047 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 01:37:45,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2022-10-16 01:37:45,048 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 47 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:37:45,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 22 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:37:45,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 01:37:45,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 01:37:45,049 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 01:37:45,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 01:37:45,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2022-10-16 01:37:45,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:37:45,050 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 01:37:45,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 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 01:37:45,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 01:37:45,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 01:37:45,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (17 of 18 remaining) [2022-10-16 01:37:45,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (16 of 18 remaining) [2022-10-16 01:37:45,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (15 of 18 remaining) [2022-10-16 01:37:45,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (14 of 18 remaining) [2022-10-16 01:37:45,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (13 of 18 remaining) [2022-10-16 01:37:45,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (12 of 18 remaining) [2022-10-16 01:37:45,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (11 of 18 remaining) [2022-10-16 01:37:45,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (10 of 18 remaining) [2022-10-16 01:37:45,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK (9 of 18 remaining) [2022-10-16 01:37:45,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK (8 of 18 remaining) [2022-10-16 01:37:45,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK (7 of 18 remaining) [2022-10-16 01:37:45,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK (6 of 18 remaining) [2022-10-16 01:37:45,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK (5 of 18 remaining) [2022-10-16 01:37:45,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK (4 of 18 remaining) [2022-10-16 01:37:45,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK (3 of 18 remaining) [2022-10-16 01:37:45,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK (2 of 18 remaining) [2022-10-16 01:37:45,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK (1 of 18 remaining) [2022-10-16 01:37:45,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK (0 of 18 remaining) [2022-10-16 01:37:45,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 01:37:45,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-10-16 01:37:45,279 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, 1, 1] [2022-10-16 01:37:45,281 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 01:37:45,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:37:45 BoogieIcfgContainer [2022-10-16 01:37:45,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 01:37:45,285 INFO L158 Benchmark]: Toolchain (without parser) took 7903.09ms. Allocated memory was 152.0MB in the beginning and 226.5MB in the end (delta: 74.4MB). Free memory was 127.3MB in the beginning and 137.3MB in the end (delta: -9.9MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. [2022-10-16 01:37:45,285 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 152.0MB. Free memory was 122.6MB in the beginning and 122.2MB in the end (delta: 440.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 01:37:45,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.34ms. Allocated memory is still 152.0MB. Free memory was 127.1MB in the beginning and 111.4MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-10-16 01:37:45,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.27ms. Allocated memory is still 152.0MB. Free memory was 111.2MB in the beginning and 109.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 01:37:45,286 INFO L158 Benchmark]: Boogie Preprocessor took 63.91ms. Allocated memory is still 152.0MB. Free memory was 109.3MB in the beginning and 107.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 01:37:45,286 INFO L158 Benchmark]: RCFGBuilder took 527.16ms. Allocated memory is still 152.0MB. Free memory was 107.9MB in the beginning and 127.8MB in the end (delta: -19.9MB). Peak memory consumption was 14.2MB. Max. memory is 8.0GB. [2022-10-16 01:37:45,287 INFO L158 Benchmark]: TraceAbstraction took 6766.78ms. Allocated memory was 152.0MB in the beginning and 226.5MB in the end (delta: 74.4MB). Free memory was 127.3MB in the beginning and 137.3MB in the end (delta: -10.0MB). Peak memory consumption was 64.5MB. Max. memory is 8.0GB. [2022-10-16 01:37:45,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 152.0MB. Free memory was 122.6MB in the beginning and 122.2MB in the end (delta: 440.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 445.34ms. Allocated memory is still 152.0MB. Free memory was 127.1MB in the beginning and 111.4MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 83.27ms. Allocated memory is still 152.0MB. Free memory was 111.2MB in the beginning and 109.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.91ms. Allocated memory is still 152.0MB. Free memory was 109.3MB in the beginning and 107.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 527.16ms. Allocated memory is still 152.0MB. Free memory was 107.9MB in the beginning and 127.8MB in the end (delta: -19.9MB). Peak memory consumption was 14.2MB. Max. memory is 8.0GB. * TraceAbstraction took 6766.78ms. Allocated memory was 152.0MB in the beginning and 226.5MB in the end (delta: 74.4MB). Free memory was 127.3MB in the beginning and 137.3MB in the end (delta: -10.0MB). Peak memory consumption was 64.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 44]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 56]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 73]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 85]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 115]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 127]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 143]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 155]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 177]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 189]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 225]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 237]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 279]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 298]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 310]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 339]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 351]: 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, 72 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 24, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1576 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1576 mSDsluCounter, 2474 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1456 mSDsCounter, 157 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1755 IncrementalHoareTripleChecker+Invalid, 1912 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 157 mSolverCounterUnsat, 1018 mSDtfsCounter, 1755 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 236 GetRequests, 105 SyntacticMatches, 8 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, InterpolantAutomatonStates: 142, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 24 MinimizatonAttempts, 349 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 1621 SizeOfPredicates, 6 NumberOfNonLiveVariables, 223 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 8/24 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 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-16 01:37:45,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...