/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/forester-heap/dll-01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 19:20:28,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 19:20:28,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 19:20:28,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 19:20:28,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 19:20:28,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 19:20:28,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 19:20:28,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 19:20:28,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 19:20:28,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 19:20:28,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 19:20:28,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 19:20:28,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 19:20:28,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 19:20:28,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 19:20:28,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 19:20:28,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 19:20:28,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 19:20:28,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 19:20:28,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 19:20:28,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 19:20:28,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 19:20:28,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 19:20:28,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 19:20:28,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 19:20:28,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 19:20:28,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 19:20:28,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 19:20:28,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 19:20:28,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 19:20:28,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 19:20:28,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 19:20:28,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 19:20:28,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 19:20:28,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 19:20:28,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 19:20:28,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 19:20:28,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 19:20:28,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 19:20:28,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 19:20:28,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 19:20:28,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-12-22 19:20:28,935 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 19:20:28,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 19:20:28,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 19:20:28,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 19:20:28,940 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 19:20:28,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 19:20:28,941 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-22 19:20:28,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 19:20:28,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 19:20:28,941 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-22 19:20:28,942 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-22 19:20:28,942 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-22 19:20:28,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 19:20:28,942 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-22 19:20:28,942 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 19:20:28,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 19:20:28,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 19:20:28,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 19:20:28,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 19:20:28,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 19:20:28,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 19:20:28,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 19:20:28,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 19:20:28,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 19:20:28,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 19:20:29,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 19:20:29,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 19:20:29,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 19:20:29,439 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 19:20:29,440 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 19:20:29,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-01-2.i [2020-12-22 19:20:29,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71fcb2d18/08a37edde4ee466b81d5868088e5d3fb/FLAGf07fb533e [2020-12-22 19:20:30,247 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 19:20:30,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i [2020-12-22 19:20:30,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71fcb2d18/08a37edde4ee466b81d5868088e5d3fb/FLAGf07fb533e [2020-12-22 19:20:30,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71fcb2d18/08a37edde4ee466b81d5868088e5d3fb [2020-12-22 19:20:30,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 19:20:30,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 19:20:30,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 19:20:30,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 19:20:30,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 19:20:30,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:20:30" (1/1) ... [2020-12-22 19:20:30,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f541eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:20:30, skipping insertion in model container [2020-12-22 19:20:30,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:20:30" (1/1) ... [2020-12-22 19:20:30,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 19:20:30,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 19:20:30,938 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[22080,22093] [2020-12-22 19:20:30,946 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[22353,22366] [2020-12-22 19:20:30,949 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[22587,22600] [2020-12-22 19:20:30,950 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[22657,22670] [2020-12-22 19:20:30,953 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[22924,22937] [2020-12-22 19:20:30,955 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23032,23045] [2020-12-22 19:20:30,958 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23263,23276] [2020-12-22 19:20:30,959 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23343,23356] [2020-12-22 19:20:30,960 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23422,23435] [2020-12-22 19:20:30,962 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23512,23525] [2020-12-22 19:20:30,964 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23690,23703] [2020-12-22 19:20:30,965 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23768,23781] [2020-12-22 19:20:30,969 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23845,23858] [2020-12-22 19:20:30,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:20:30,994 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 19:20:31,035 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[22080,22093] [2020-12-22 19:20:31,038 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[22353,22366] [2020-12-22 19:20:31,040 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[22587,22600] [2020-12-22 19:20:31,041 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[22657,22670] [2020-12-22 19:20:31,044 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[22924,22937] [2020-12-22 19:20:31,045 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23032,23045] [2020-12-22 19:20:31,047 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23263,23276] [2020-12-22 19:20:31,048 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23343,23356] [2020-12-22 19:20:31,049 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23422,23435] [2020-12-22 19:20:31,050 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23512,23525] [2020-12-22 19:20:31,052 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23690,23703] [2020-12-22 19:20:31,053 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23768,23781] [2020-12-22 19:20:31,054 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i[23845,23858] [2020-12-22 19:20:31,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:20:31,114 INFO L208 MainTranslator]: Completed translation [2020-12-22 19:20:31,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:20:31 WrapperNode [2020-12-22 19:20:31,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 19:20:31,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 19:20:31,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 19:20:31,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 19:20:31,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:20:31" (1/1) ... [2020-12-22 19:20:31,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:20:31" (1/1) ... [2020-12-22 19:20:31,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 19:20:31,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 19:20:31,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 19:20:31,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 19:20:31,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:20:31" (1/1) ... [2020-12-22 19:20:31,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:20:31" (1/1) ... [2020-12-22 19:20:31,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:20:31" (1/1) ... [2020-12-22 19:20:31,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:20:31" (1/1) ... [2020-12-22 19:20:31,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:20:31" (1/1) ... [2020-12-22 19:20:31,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:20:31" (1/1) ... [2020-12-22 19:20:31,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:20:31" (1/1) ... [2020-12-22 19:20:31,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 19:20:31,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 19:20:31,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 19:20:31,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 19:20:31,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:20:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 19:20:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 19:20:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 19:20:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 19:20:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 19:20:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 19:20:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 19:20:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 19:20:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 19:20:32,326 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 19:20:32,326 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2020-12-22 19:20:32,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:20:32 BoogieIcfgContainer [2020-12-22 19:20:32,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 19:20:32,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 19:20:32,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 19:20:32,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 19:20:32,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 07:20:30" (1/3) ... [2020-12-22 19:20:32,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a478a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:20:32, skipping insertion in model container [2020-12-22 19:20:32,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:20:31" (2/3) ... [2020-12-22 19:20:32,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a478a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:20:32, skipping insertion in model container [2020-12-22 19:20:32,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:20:32" (3/3) ... [2020-12-22 19:20:32,339 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-01-2.i [2020-12-22 19:20:32,346 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 19:20:32,352 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 86 error locations. [2020-12-22 19:20:32,373 INFO L253 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2020-12-22 19:20:32,398 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 19:20:32,399 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-22 19:20:32,399 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 19:20:32,399 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 19:20:32,399 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 19:20:32,399 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 19:20:32,399 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 19:20:32,400 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 19:20:32,425 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2020-12-22 19:20:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 19:20:32,433 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:32,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 19:20:32,435 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:32,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:32,442 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2020-12-22 19:20:32,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:32,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791703689] [2020-12-22 19:20:32,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:32,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:32,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791703689] [2020-12-22 19:20:32,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:32,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 19:20:32,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089944564] [2020-12-22 19:20:32,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:20:32,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:32,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:20:32,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:20:32,676 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 3 states. [2020-12-22 19:20:33,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:33,012 INFO L93 Difference]: Finished difference Result 198 states and 207 transitions. [2020-12-22 19:20:33,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:20:33,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 19:20:33,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:33,027 INFO L225 Difference]: With dead ends: 198 [2020-12-22 19:20:33,027 INFO L226 Difference]: Without dead ends: 194 [2020-12-22 19:20:33,030 INFO L677 BasicCegarLoop]: 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 [2020-12-22 19:20:33,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-12-22 19:20:33,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 190. [2020-12-22 19:20:33,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-12-22 19:20:33,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 201 transitions. [2020-12-22 19:20:33,091 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 201 transitions. Word has length 3 [2020-12-22 19:20:33,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:33,092 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 201 transitions. [2020-12-22 19:20:33,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:20:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 201 transitions. [2020-12-22 19:20:33,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 19:20:33,093 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:33,093 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 19:20:33,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 19:20:33,094 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:33,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:33,095 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2020-12-22 19:20:33,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:33,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038296633] [2020-12-22 19:20:33,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:33,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038296633] [2020-12-22 19:20:33,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:33,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 19:20:33,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040798238] [2020-12-22 19:20:33,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:20:33,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:33,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:20:33,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:20:33,182 INFO L87 Difference]: Start difference. First operand 190 states and 201 transitions. Second operand 3 states. [2020-12-22 19:20:33,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:33,432 INFO L93 Difference]: Finished difference Result 219 states and 229 transitions. [2020-12-22 19:20:33,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:20:33,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 19:20:33,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:33,436 INFO L225 Difference]: With dead ends: 219 [2020-12-22 19:20:33,436 INFO L226 Difference]: Without dead ends: 219 [2020-12-22 19:20:33,440 INFO L677 BasicCegarLoop]: 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 [2020-12-22 19:20:33,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-12-22 19:20:33,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 199. [2020-12-22 19:20:33,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2020-12-22 19:20:33,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 221 transitions. [2020-12-22 19:20:33,473 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 221 transitions. Word has length 3 [2020-12-22 19:20:33,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:33,476 INFO L481 AbstractCegarLoop]: Abstraction has 199 states and 221 transitions. [2020-12-22 19:20:33,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:20:33,476 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 221 transitions. [2020-12-22 19:20:33,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-22 19:20:33,477 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:33,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-22 19:20:33,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 19:20:33,477 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:33,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:33,478 INFO L82 PathProgramCache]: Analyzing trace with hash 889446311, now seen corresponding path program 1 times [2020-12-22 19:20:33,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:33,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844562304] [2020-12-22 19:20:33,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:33,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844562304] [2020-12-22 19:20:33,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:33,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:20:33,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744397993] [2020-12-22 19:20:33,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:20:33,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:33,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:20:33,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:20:33,579 INFO L87 Difference]: Start difference. First operand 199 states and 221 transitions. Second operand 3 states. [2020-12-22 19:20:33,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:33,634 INFO L93 Difference]: Finished difference Result 214 states and 224 transitions. [2020-12-22 19:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:20:33,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-12-22 19:20:33,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:33,639 INFO L225 Difference]: With dead ends: 214 [2020-12-22 19:20:33,639 INFO L226 Difference]: Without dead ends: 214 [2020-12-22 19:20:33,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:20:33,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-12-22 19:20:33,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 197. [2020-12-22 19:20:33,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-12-22 19:20:33,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 218 transitions. [2020-12-22 19:20:33,675 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 218 transitions. Word has length 6 [2020-12-22 19:20:33,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:33,676 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 218 transitions. [2020-12-22 19:20:33,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:20:33,678 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 218 transitions. [2020-12-22 19:20:33,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-22 19:20:33,679 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:33,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:33,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 19:20:33,680 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:33,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:33,680 INFO L82 PathProgramCache]: Analyzing trace with hash -73360970, now seen corresponding path program 1 times [2020-12-22 19:20:33,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:33,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459586617] [2020-12-22 19:20:33,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:33,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:33,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459586617] [2020-12-22 19:20:33,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:33,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 19:20:33,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054748134] [2020-12-22 19:20:33,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 19:20:33,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:33,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 19:20:33,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:20:33,809 INFO L87 Difference]: Start difference. First operand 197 states and 218 transitions. Second operand 5 states. [2020-12-22 19:20:34,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:34,247 INFO L93 Difference]: Finished difference Result 344 states and 373 transitions. [2020-12-22 19:20:34,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 19:20:34,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-22 19:20:34,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:34,250 INFO L225 Difference]: With dead ends: 344 [2020-12-22 19:20:34,250 INFO L226 Difference]: Without dead ends: 344 [2020-12-22 19:20:34,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:20:34,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-12-22 19:20:34,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 196. [2020-12-22 19:20:34,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-12-22 19:20:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 217 transitions. [2020-12-22 19:20:34,258 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 217 transitions. Word has length 11 [2020-12-22 19:20:34,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:34,258 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 217 transitions. [2020-12-22 19:20:34,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 19:20:34,258 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 217 transitions. [2020-12-22 19:20:34,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-22 19:20:34,259 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:34,259 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:34,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 19:20:34,260 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:34,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:34,260 INFO L82 PathProgramCache]: Analyzing trace with hash -73360969, now seen corresponding path program 1 times [2020-12-22 19:20:34,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:34,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655857595] [2020-12-22 19:20:34,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:34,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:34,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655857595] [2020-12-22 19:20:34,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:34,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 19:20:34,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44518143] [2020-12-22 19:20:34,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 19:20:34,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:34,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 19:20:34,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:20:34,336 INFO L87 Difference]: Start difference. First operand 196 states and 217 transitions. Second operand 5 states. [2020-12-22 19:20:34,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:34,808 INFO L93 Difference]: Finished difference Result 372 states and 413 transitions. [2020-12-22 19:20:34,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 19:20:34,809 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-22 19:20:34,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:34,811 INFO L225 Difference]: With dead ends: 372 [2020-12-22 19:20:34,811 INFO L226 Difference]: Without dead ends: 372 [2020-12-22 19:20:34,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:20:34,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-12-22 19:20:34,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 195. [2020-12-22 19:20:34,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-12-22 19:20:34,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 216 transitions. [2020-12-22 19:20:34,818 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 216 transitions. Word has length 11 [2020-12-22 19:20:34,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:34,818 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 216 transitions. [2020-12-22 19:20:34,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 19:20:34,819 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 216 transitions. [2020-12-22 19:20:34,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-22 19:20:34,819 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:34,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:34,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 19:20:34,820 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:34,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:34,821 INFO L82 PathProgramCache]: Analyzing trace with hash 641711324, now seen corresponding path program 1 times [2020-12-22 19:20:34,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:34,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879963848] [2020-12-22 19:20:34,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:34,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879963848] [2020-12-22 19:20:34,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:34,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 19:20:34,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625428576] [2020-12-22 19:20:34,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 19:20:34,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:34,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 19:20:34,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:20:34,985 INFO L87 Difference]: Start difference. First operand 195 states and 216 transitions. Second operand 8 states. [2020-12-22 19:20:35,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:35,726 INFO L93 Difference]: Finished difference Result 342 states and 371 transitions. [2020-12-22 19:20:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 19:20:35,726 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-12-22 19:20:35,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:35,728 INFO L225 Difference]: With dead ends: 342 [2020-12-22 19:20:35,729 INFO L226 Difference]: Without dead ends: 342 [2020-12-22 19:20:35,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 19:20:35,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-12-22 19:20:35,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 194. [2020-12-22 19:20:35,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-12-22 19:20:35,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 215 transitions. [2020-12-22 19:20:35,745 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 215 transitions. Word has length 14 [2020-12-22 19:20:35,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:35,745 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 215 transitions. [2020-12-22 19:20:35,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 19:20:35,746 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 215 transitions. [2020-12-22 19:20:35,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-22 19:20:35,749 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:35,750 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:35,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 19:20:35,750 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:35,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:35,755 INFO L82 PathProgramCache]: Analyzing trace with hash 641711325, now seen corresponding path program 1 times [2020-12-22 19:20:35,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:35,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698182680] [2020-12-22 19:20:35,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:35,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:35,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698182680] [2020-12-22 19:20:35,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:35,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 19:20:35,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178693365] [2020-12-22 19:20:35,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 19:20:35,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:35,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 19:20:35,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:20:35,960 INFO L87 Difference]: Start difference. First operand 194 states and 215 transitions. Second operand 8 states. [2020-12-22 19:20:36,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:36,995 INFO L93 Difference]: Finished difference Result 343 states and 372 transitions. [2020-12-22 19:20:36,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 19:20:36,995 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-12-22 19:20:36,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:36,998 INFO L225 Difference]: With dead ends: 343 [2020-12-22 19:20:36,998 INFO L226 Difference]: Without dead ends: 343 [2020-12-22 19:20:36,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 19:20:36,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-12-22 19:20:37,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 193. [2020-12-22 19:20:37,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-12-22 19:20:37,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 214 transitions. [2020-12-22 19:20:37,005 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 214 transitions. Word has length 14 [2020-12-22 19:20:37,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:37,005 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 214 transitions. [2020-12-22 19:20:37,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 19:20:37,005 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 214 transitions. [2020-12-22 19:20:37,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-22 19:20:37,006 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:37,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:37,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 19:20:37,007 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:37,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:37,007 INFO L82 PathProgramCache]: Analyzing trace with hash 372237930, now seen corresponding path program 1 times [2020-12-22 19:20:37,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:37,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014385071] [2020-12-22 19:20:37,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:37,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:37,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014385071] [2020-12-22 19:20:37,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:37,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:20:37,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850627372] [2020-12-22 19:20:37,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:20:37,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:37,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:20:37,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:20:37,071 INFO L87 Difference]: Start difference. First operand 193 states and 214 transitions. Second operand 3 states. [2020-12-22 19:20:37,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:37,083 INFO L93 Difference]: Finished difference Result 194 states and 215 transitions. [2020-12-22 19:20:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:20:37,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-12-22 19:20:37,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:37,086 INFO L225 Difference]: With dead ends: 194 [2020-12-22 19:20:37,086 INFO L226 Difference]: Without dead ends: 194 [2020-12-22 19:20:37,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:20:37,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-12-22 19:20:37,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2020-12-22 19:20:37,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-12-22 19:20:37,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 215 transitions. [2020-12-22 19:20:37,093 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 215 transitions. Word has length 14 [2020-12-22 19:20:37,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:37,094 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 215 transitions. [2020-12-22 19:20:37,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:20:37,094 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 215 transitions. [2020-12-22 19:20:37,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 19:20:37,096 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:37,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:37,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 19:20:37,097 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:37,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:37,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1240001167, now seen corresponding path program 1 times [2020-12-22 19:20:37,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:37,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864678538] [2020-12-22 19:20:37,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:37,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:37,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864678538] [2020-12-22 19:20:37,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:37,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 19:20:37,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642732571] [2020-12-22 19:20:37,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 19:20:37,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:37,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 19:20:37,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 19:20:37,219 INFO L87 Difference]: Start difference. First operand 194 states and 215 transitions. Second operand 7 states. [2020-12-22 19:20:37,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:37,521 INFO L93 Difference]: Finished difference Result 286 states and 313 transitions. [2020-12-22 19:20:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 19:20:37,522 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-12-22 19:20:37,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:37,524 INFO L225 Difference]: With dead ends: 286 [2020-12-22 19:20:37,525 INFO L226 Difference]: Without dead ends: 286 [2020-12-22 19:20:37,525 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-12-22 19:20:37,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-12-22 19:20:37,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 191. [2020-12-22 19:20:37,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-12-22 19:20:37,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 212 transitions. [2020-12-22 19:20:37,532 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 212 transitions. Word has length 16 [2020-12-22 19:20:37,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:37,532 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 212 transitions. [2020-12-22 19:20:37,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 19:20:37,532 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 212 transitions. [2020-12-22 19:20:37,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 19:20:37,533 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:37,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:37,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 19:20:37,534 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:37,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:37,535 INFO L82 PathProgramCache]: Analyzing trace with hash 486582708, now seen corresponding path program 1 times [2020-12-22 19:20:37,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:37,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401680255] [2020-12-22 19:20:37,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:37,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401680255] [2020-12-22 19:20:37,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:37,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 19:20:37,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970241870] [2020-12-22 19:20:37,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 19:20:37,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:37,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 19:20:37,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:20:37,579 INFO L87 Difference]: Start difference. First operand 191 states and 212 transitions. Second operand 5 states. [2020-12-22 19:20:37,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:37,760 INFO L93 Difference]: Finished difference Result 287 states and 313 transitions. [2020-12-22 19:20:37,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 19:20:37,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-12-22 19:20:37,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:37,764 INFO L225 Difference]: With dead ends: 287 [2020-12-22 19:20:37,764 INFO L226 Difference]: Without dead ends: 287 [2020-12-22 19:20:37,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 19:20:37,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-12-22 19:20:37,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 194. [2020-12-22 19:20:37,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-12-22 19:20:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 215 transitions. [2020-12-22 19:20:37,772 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 215 transitions. Word has length 18 [2020-12-22 19:20:37,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:37,772 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 215 transitions. [2020-12-22 19:20:37,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 19:20:37,772 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 215 transitions. [2020-12-22 19:20:37,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 19:20:37,773 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:37,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:37,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 19:20:37,774 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:37,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:37,775 INFO L82 PathProgramCache]: Analyzing trace with hash 111219545, now seen corresponding path program 1 times [2020-12-22 19:20:37,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:37,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000345383] [2020-12-22 19:20:37,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:37,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000345383] [2020-12-22 19:20:37,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:37,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:20:37,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049783774] [2020-12-22 19:20:37,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 19:20:37,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:37,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 19:20:37,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 19:20:37,816 INFO L87 Difference]: Start difference. First operand 194 states and 215 transitions. Second operand 4 states. [2020-12-22 19:20:38,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:38,014 INFO L93 Difference]: Finished difference Result 188 states and 208 transitions. [2020-12-22 19:20:38,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 19:20:38,015 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-12-22 19:20:38,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:38,016 INFO L225 Difference]: With dead ends: 188 [2020-12-22 19:20:38,016 INFO L226 Difference]: Without dead ends: 188 [2020-12-22 19:20:38,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:20:38,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-12-22 19:20:38,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 184. [2020-12-22 19:20:38,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-12-22 19:20:38,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 205 transitions. [2020-12-22 19:20:38,022 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 205 transitions. Word has length 20 [2020-12-22 19:20:38,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:38,022 INFO L481 AbstractCegarLoop]: Abstraction has 184 states and 205 transitions. [2020-12-22 19:20:38,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 19:20:38,022 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 205 transitions. [2020-12-22 19:20:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 19:20:38,023 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:38,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:38,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 19:20:38,024 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:38,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:38,025 INFO L82 PathProgramCache]: Analyzing trace with hash 111219546, now seen corresponding path program 1 times [2020-12-22 19:20:38,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:38,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118085687] [2020-12-22 19:20:38,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:38,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118085687] [2020-12-22 19:20:38,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:38,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:20:38,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285486818] [2020-12-22 19:20:38,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 19:20:38,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:38,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 19:20:38,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 19:20:38,078 INFO L87 Difference]: Start difference. First operand 184 states and 205 transitions. Second operand 4 states. [2020-12-22 19:20:38,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:38,350 INFO L93 Difference]: Finished difference Result 244 states and 258 transitions. [2020-12-22 19:20:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 19:20:38,350 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-12-22 19:20:38,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:38,352 INFO L225 Difference]: With dead ends: 244 [2020-12-22 19:20:38,352 INFO L226 Difference]: Without dead ends: 244 [2020-12-22 19:20:38,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:20:38,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-12-22 19:20:38,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 207. [2020-12-22 19:20:38,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-12-22 19:20:38,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 242 transitions. [2020-12-22 19:20:38,359 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 242 transitions. Word has length 20 [2020-12-22 19:20:38,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:38,359 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 242 transitions. [2020-12-22 19:20:38,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 19:20:38,359 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 242 transitions. [2020-12-22 19:20:38,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 19:20:38,360 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:38,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:38,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 19:20:38,361 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:38,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:38,362 INFO L82 PathProgramCache]: Analyzing trace with hash -492144724, now seen corresponding path program 1 times [2020-12-22 19:20:38,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:38,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299198289] [2020-12-22 19:20:38,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:38,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299198289] [2020-12-22 19:20:38,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:38,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 19:20:38,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483800204] [2020-12-22 19:20:38,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 19:20:38,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:38,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 19:20:38,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 19:20:38,406 INFO L87 Difference]: Start difference. First operand 207 states and 242 transitions. Second operand 4 states. [2020-12-22 19:20:38,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:38,555 INFO L93 Difference]: Finished difference Result 239 states and 252 transitions. [2020-12-22 19:20:38,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 19:20:38,555 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-12-22 19:20:38,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:38,559 INFO L225 Difference]: With dead ends: 239 [2020-12-22 19:20:38,559 INFO L226 Difference]: Without dead ends: 239 [2020-12-22 19:20:38,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:20:38,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-12-22 19:20:38,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 205. [2020-12-22 19:20:38,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-12-22 19:20:38,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 239 transitions. [2020-12-22 19:20:38,566 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 239 transitions. Word has length 22 [2020-12-22 19:20:38,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:38,567 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 239 transitions. [2020-12-22 19:20:38,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 19:20:38,567 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 239 transitions. [2020-12-22 19:20:38,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 19:20:38,568 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:38,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:38,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 19:20:38,568 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:38,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:38,569 INFO L82 PathProgramCache]: Analyzing trace with hash -492197444, now seen corresponding path program 1 times [2020-12-22 19:20:38,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:38,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006482982] [2020-12-22 19:20:38,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:38,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:38,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006482982] [2020-12-22 19:20:38,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:38,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 19:20:38,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93338074] [2020-12-22 19:20:38,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 19:20:38,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:38,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 19:20:38,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:20:38,639 INFO L87 Difference]: Start difference. First operand 205 states and 239 transitions. Second operand 5 states. [2020-12-22 19:20:38,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:38,931 INFO L93 Difference]: Finished difference Result 293 states and 342 transitions. [2020-12-22 19:20:38,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 19:20:38,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-22 19:20:38,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:38,934 INFO L225 Difference]: With dead ends: 293 [2020-12-22 19:20:38,934 INFO L226 Difference]: Without dead ends: 293 [2020-12-22 19:20:38,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 19:20:38,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-12-22 19:20:38,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 204. [2020-12-22 19:20:38,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-12-22 19:20:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 237 transitions. [2020-12-22 19:20:38,940 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 237 transitions. Word has length 22 [2020-12-22 19:20:38,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:38,940 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 237 transitions. [2020-12-22 19:20:38,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 19:20:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 237 transitions. [2020-12-22 19:20:38,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 19:20:38,941 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:38,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:38,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 19:20:38,942 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:38,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:38,942 INFO L82 PathProgramCache]: Analyzing trace with hash -492197443, now seen corresponding path program 1 times [2020-12-22 19:20:38,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:38,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193895351] [2020-12-22 19:20:38,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:39,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193895351] [2020-12-22 19:20:39,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:39,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 19:20:39,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664487394] [2020-12-22 19:20:39,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 19:20:39,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:39,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 19:20:39,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:20:39,006 INFO L87 Difference]: Start difference. First operand 204 states and 237 transitions. Second operand 5 states. [2020-12-22 19:20:39,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:39,369 INFO L93 Difference]: Finished difference Result 321 states and 379 transitions. [2020-12-22 19:20:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 19:20:39,369 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-22 19:20:39,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:39,373 INFO L225 Difference]: With dead ends: 321 [2020-12-22 19:20:39,373 INFO L226 Difference]: Without dead ends: 321 [2020-12-22 19:20:39,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:20:39,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-12-22 19:20:39,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 203. [2020-12-22 19:20:39,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-12-22 19:20:39,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 235 transitions. [2020-12-22 19:20:39,391 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 235 transitions. Word has length 22 [2020-12-22 19:20:39,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:39,392 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 235 transitions. [2020-12-22 19:20:39,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 19:20:39,392 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 235 transitions. [2020-12-22 19:20:39,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 19:20:39,397 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:39,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:39,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 19:20:39,397 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:39,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:39,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1104565569, now seen corresponding path program 1 times [2020-12-22 19:20:39,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:39,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897270019] [2020-12-22 19:20:39,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:39,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:39,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897270019] [2020-12-22 19:20:39,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:39,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-22 19:20:39,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850019810] [2020-12-22 19:20:39,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 19:20:39,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:39,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 19:20:39,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-12-22 19:20:39,568 INFO L87 Difference]: Start difference. First operand 203 states and 235 transitions. Second operand 10 states. [2020-12-22 19:20:40,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:40,337 INFO L93 Difference]: Finished difference Result 195 states and 227 transitions. [2020-12-22 19:20:40,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-22 19:20:40,338 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-12-22 19:20:40,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:40,339 INFO L225 Difference]: With dead ends: 195 [2020-12-22 19:20:40,339 INFO L226 Difference]: Without dead ends: 195 [2020-12-22 19:20:40,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2020-12-22 19:20:40,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-12-22 19:20:40,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 186. [2020-12-22 19:20:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-12-22 19:20:40,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 217 transitions. [2020-12-22 19:20:40,345 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 217 transitions. Word has length 26 [2020-12-22 19:20:40,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:40,345 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 217 transitions. [2020-12-22 19:20:40,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 19:20:40,346 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 217 transitions. [2020-12-22 19:20:40,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 19:20:40,346 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:40,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:40,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 19:20:40,347 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:40,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:40,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1104565570, now seen corresponding path program 1 times [2020-12-22 19:20:40,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:40,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187329377] [2020-12-22 19:20:40,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:40,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187329377] [2020-12-22 19:20:40,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:40,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 19:20:40,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353812373] [2020-12-22 19:20:40,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 19:20:40,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:40,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 19:20:40,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-22 19:20:40,438 INFO L87 Difference]: Start difference. First operand 186 states and 217 transitions. Second operand 9 states. [2020-12-22 19:20:40,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:40,922 INFO L93 Difference]: Finished difference Result 185 states and 216 transitions. [2020-12-22 19:20:40,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 19:20:40,923 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-12-22 19:20:40,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:40,924 INFO L225 Difference]: With dead ends: 185 [2020-12-22 19:20:40,924 INFO L226 Difference]: Without dead ends: 185 [2020-12-22 19:20:40,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-12-22 19:20:40,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-12-22 19:20:40,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-12-22 19:20:40,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-12-22 19:20:40,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 216 transitions. [2020-12-22 19:20:40,930 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 216 transitions. Word has length 26 [2020-12-22 19:20:40,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:40,930 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 216 transitions. [2020-12-22 19:20:40,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 19:20:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 216 transitions. [2020-12-22 19:20:40,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 19:20:40,931 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:40,931 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:40,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-22 19:20:40,932 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:40,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:40,932 INFO L82 PathProgramCache]: Analyzing trace with hash -72989096, now seen corresponding path program 1 times [2020-12-22 19:20:40,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:40,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388873663] [2020-12-22 19:20:40,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:40,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:40,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388873663] [2020-12-22 19:20:40,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:40,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:20:40,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503191315] [2020-12-22 19:20:40,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:20:40,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:40,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:20:40,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:20:40,962 INFO L87 Difference]: Start difference. First operand 185 states and 216 transitions. Second operand 3 states. [2020-12-22 19:20:40,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:40,975 INFO L93 Difference]: Finished difference Result 259 states and 304 transitions. [2020-12-22 19:20:40,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:20:40,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-22 19:20:40,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:40,977 INFO L225 Difference]: With dead ends: 259 [2020-12-22 19:20:40,977 INFO L226 Difference]: Without dead ends: 259 [2020-12-22 19:20:40,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:20:40,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-12-22 19:20:40,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 191. [2020-12-22 19:20:40,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-12-22 19:20:40,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 224 transitions. [2020-12-22 19:20:40,983 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 224 transitions. Word has length 28 [2020-12-22 19:20:40,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:40,984 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 224 transitions. [2020-12-22 19:20:40,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:20:40,984 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 224 transitions. [2020-12-22 19:20:40,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 19:20:40,984 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:40,985 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:40,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-22 19:20:40,985 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:40,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:40,986 INFO L82 PathProgramCache]: Analyzing trace with hash -630587842, now seen corresponding path program 1 times [2020-12-22 19:20:40,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:40,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944389838] [2020-12-22 19:20:40,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:41,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:41,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944389838] [2020-12-22 19:20:41,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:41,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-22 19:20:41,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92271871] [2020-12-22 19:20:41,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 19:20:41,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:41,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 19:20:41,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-12-22 19:20:41,094 INFO L87 Difference]: Start difference. First operand 191 states and 224 transitions. Second operand 10 states. [2020-12-22 19:20:41,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:41,807 INFO L93 Difference]: Finished difference Result 196 states and 230 transitions. [2020-12-22 19:20:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-22 19:20:41,808 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2020-12-22 19:20:41,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:41,809 INFO L225 Difference]: With dead ends: 196 [2020-12-22 19:20:41,809 INFO L226 Difference]: Without dead ends: 196 [2020-12-22 19:20:41,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2020-12-22 19:20:41,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-12-22 19:20:41,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 187. [2020-12-22 19:20:41,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-12-22 19:20:41,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 220 transitions. [2020-12-22 19:20:41,819 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 220 transitions. Word has length 28 [2020-12-22 19:20:41,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:41,820 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 220 transitions. [2020-12-22 19:20:41,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 19:20:41,820 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 220 transitions. [2020-12-22 19:20:41,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 19:20:41,820 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:41,821 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:41,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-22 19:20:41,823 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:41,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:41,824 INFO L82 PathProgramCache]: Analyzing trace with hash 2032293955, now seen corresponding path program 1 times [2020-12-22 19:20:41,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:41,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457980039] [2020-12-22 19:20:41,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:41,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457980039] [2020-12-22 19:20:41,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:41,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:20:41,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351898366] [2020-12-22 19:20:41,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:20:41,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:41,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:20:41,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:20:41,863 INFO L87 Difference]: Start difference. First operand 187 states and 220 transitions. Second operand 3 states. [2020-12-22 19:20:41,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:41,885 INFO L93 Difference]: Finished difference Result 185 states and 217 transitions. [2020-12-22 19:20:41,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:20:41,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-12-22 19:20:41,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:41,887 INFO L225 Difference]: With dead ends: 185 [2020-12-22 19:20:41,887 INFO L226 Difference]: Without dead ends: 185 [2020-12-22 19:20:41,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:20:41,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-12-22 19:20:41,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-12-22 19:20:41,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-12-22 19:20:41,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 217 transitions. [2020-12-22 19:20:41,892 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 217 transitions. Word has length 29 [2020-12-22 19:20:41,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:41,892 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 217 transitions. [2020-12-22 19:20:41,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:20:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 217 transitions. [2020-12-22 19:20:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-22 19:20:41,893 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:41,893 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:41,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-22 19:20:41,893 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:41,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:41,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1423392499, now seen corresponding path program 1 times [2020-12-22 19:20:41,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:41,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158646299] [2020-12-22 19:20:41,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:42,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:42,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158646299] [2020-12-22 19:20:42,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:42,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-22 19:20:42,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091103705] [2020-12-22 19:20:42,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 19:20:42,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:42,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 19:20:42,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-22 19:20:42,042 INFO L87 Difference]: Start difference. First operand 185 states and 217 transitions. Second operand 9 states. [2020-12-22 19:20:42,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:42,556 INFO L93 Difference]: Finished difference Result 287 states and 316 transitions. [2020-12-22 19:20:42,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 19:20:42,556 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-12-22 19:20:42,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:42,558 INFO L225 Difference]: With dead ends: 287 [2020-12-22 19:20:42,558 INFO L226 Difference]: Without dead ends: 287 [2020-12-22 19:20:42,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2020-12-22 19:20:42,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-12-22 19:20:42,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 197. [2020-12-22 19:20:42,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-12-22 19:20:42,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 230 transitions. [2020-12-22 19:20:42,564 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 230 transitions. Word has length 30 [2020-12-22 19:20:42,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:42,564 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 230 transitions. [2020-12-22 19:20:42,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 19:20:42,564 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 230 transitions. [2020-12-22 19:20:42,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 19:20:42,565 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:42,565 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:42,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-22 19:20:42,565 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:42,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:42,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1614859264, now seen corresponding path program 1 times [2020-12-22 19:20:42,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:42,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851487736] [2020-12-22 19:20:42,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:42,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851487736] [2020-12-22 19:20:42,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502592694] [2020-12-22 19:20:42,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:20:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:42,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-22 19:20:42,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 19:20:42,885 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 19:20:42,886 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:20:42,895 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:20:42,899 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 19:20:42,900 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:20:42,909 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:20:42,910 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:20:42,910 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2020-12-22 19:20:42,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:42,955 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-12-22 19:20:42,958 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:20:42,975 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:20:42,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:42,983 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-12-22 19:20:42,985 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:20:43,000 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:20:43,002 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:20:43,002 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2020-12-22 19:20:43,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:43,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:43,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:43,069 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-12-22 19:20:43,072 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:20:43,093 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:20:43,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:43,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:43,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:43,110 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-12-22 19:20:43,117 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:20:43,146 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:20:43,150 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:20:43,151 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:57 [2020-12-22 19:20:43,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:43,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:43,578 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 19:20:43,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:43,580 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2020-12-22 19:20:43,583 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:20:43,624 INFO L625 ElimStorePlain]: treesize reduction 3, result has 93.8 percent of original size [2020-12-22 19:20:43,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:43,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:43,632 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 19:20:43,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:43,635 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:20:43,635 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 16 [2020-12-22 19:20:43,638 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:20:43,647 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:20:43,650 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:20:43,652 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:77, output treesize:7 [2020-12-22 19:20:43,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:43,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 19:20:43,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 11 [2020-12-22 19:20:43,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474560477] [2020-12-22 19:20:43,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 19:20:43,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:43,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 19:20:43,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-12-22 19:20:43,677 INFO L87 Difference]: Start difference. First operand 197 states and 230 transitions. Second operand 11 states. [2020-12-22 19:20:44,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:44,515 INFO L93 Difference]: Finished difference Result 345 states and 376 transitions. [2020-12-22 19:20:44,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 19:20:44,516 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2020-12-22 19:20:44,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:44,518 INFO L225 Difference]: With dead ends: 345 [2020-12-22 19:20:44,518 INFO L226 Difference]: Without dead ends: 345 [2020-12-22 19:20:44,518 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-12-22 19:20:44,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-12-22 19:20:44,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 225. [2020-12-22 19:20:44,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-12-22 19:20:44,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 271 transitions. [2020-12-22 19:20:44,525 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 271 transitions. Word has length 32 [2020-12-22 19:20:44,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:44,526 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 271 transitions. [2020-12-22 19:20:44,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 19:20:44,526 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 271 transitions. [2020-12-22 19:20:44,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 19:20:44,526 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:44,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:44,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-12-22 19:20:44,732 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:44,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:44,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1275838399, now seen corresponding path program 1 times [2020-12-22 19:20:44,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:44,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359078404] [2020-12-22 19:20:44,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:44,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359078404] [2020-12-22 19:20:44,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:44,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-22 19:20:44,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150331467] [2020-12-22 19:20:44,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 19:20:44,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:44,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 19:20:44,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-12-22 19:20:44,923 INFO L87 Difference]: Start difference. First operand 225 states and 271 transitions. Second operand 11 states. [2020-12-22 19:20:45,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:45,932 INFO L93 Difference]: Finished difference Result 457 states and 513 transitions. [2020-12-22 19:20:45,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-22 19:20:45,933 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 34 [2020-12-22 19:20:45,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:45,937 INFO L225 Difference]: With dead ends: 457 [2020-12-22 19:20:45,937 INFO L226 Difference]: Without dead ends: 457 [2020-12-22 19:20:45,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2020-12-22 19:20:45,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2020-12-22 19:20:45,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 226. [2020-12-22 19:20:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-12-22 19:20:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 269 transitions. [2020-12-22 19:20:45,947 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 269 transitions. Word has length 34 [2020-12-22 19:20:45,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:45,947 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 269 transitions. [2020-12-22 19:20:45,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 19:20:45,948 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 269 transitions. [2020-12-22 19:20:45,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 19:20:45,948 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:45,948 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:45,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-22 19:20:45,949 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:45,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:45,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1275838398, now seen corresponding path program 1 times [2020-12-22 19:20:45,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:45,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308215635] [2020-12-22 19:20:45,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:46,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:46,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308215635] [2020-12-22 19:20:46,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:46,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-12-22 19:20:46,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830933564] [2020-12-22 19:20:46,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-22 19:20:46,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:46,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-22 19:20:46,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-12-22 19:20:46,241 INFO L87 Difference]: Start difference. First operand 226 states and 269 transitions. Second operand 14 states. [2020-12-22 19:20:48,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:48,226 INFO L93 Difference]: Finished difference Result 510 states and 561 transitions. [2020-12-22 19:20:48,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-22 19:20:48,226 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 34 [2020-12-22 19:20:48,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:48,229 INFO L225 Difference]: With dead ends: 510 [2020-12-22 19:20:48,229 INFO L226 Difference]: Without dead ends: 510 [2020-12-22 19:20:48,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=299, Invalid=1107, Unknown=0, NotChecked=0, Total=1406 [2020-12-22 19:20:48,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-12-22 19:20:48,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 232. [2020-12-22 19:20:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-12-22 19:20:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 276 transitions. [2020-12-22 19:20:48,239 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 276 transitions. Word has length 34 [2020-12-22 19:20:48,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:48,239 INFO L481 AbstractCegarLoop]: Abstraction has 232 states and 276 transitions. [2020-12-22 19:20:48,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-22 19:20:48,239 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 276 transitions. [2020-12-22 19:20:48,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 19:20:48,240 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:48,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:48,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-22 19:20:48,240 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:48,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:48,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1103813356, now seen corresponding path program 1 times [2020-12-22 19:20:48,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:48,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835224099] [2020-12-22 19:20:48,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:48,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835224099] [2020-12-22 19:20:48,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:48,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 19:20:48,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375490811] [2020-12-22 19:20:48,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 19:20:48,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:48,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 19:20:48,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:20:48,287 INFO L87 Difference]: Start difference. First operand 232 states and 276 transitions. Second operand 5 states. [2020-12-22 19:20:48,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:48,578 INFO L93 Difference]: Finished difference Result 347 states and 409 transitions. [2020-12-22 19:20:48,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 19:20:48,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-12-22 19:20:48,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:48,580 INFO L225 Difference]: With dead ends: 347 [2020-12-22 19:20:48,581 INFO L226 Difference]: Without dead ends: 347 [2020-12-22 19:20:48,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:20:48,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2020-12-22 19:20:48,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 231. [2020-12-22 19:20:48,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-12-22 19:20:48,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 275 transitions. [2020-12-22 19:20:48,588 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 275 transitions. Word has length 35 [2020-12-22 19:20:48,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:48,589 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 275 transitions. [2020-12-22 19:20:48,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 19:20:48,589 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 275 transitions. [2020-12-22 19:20:48,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 19:20:48,590 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:48,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:48,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-22 19:20:48,590 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:48,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:48,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1103813355, now seen corresponding path program 1 times [2020-12-22 19:20:48,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:48,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419593185] [2020-12-22 19:20:48,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:48,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419593185] [2020-12-22 19:20:48,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:48,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 19:20:48,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683258270] [2020-12-22 19:20:48,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 19:20:48,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:48,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 19:20:48,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:20:48,650 INFO L87 Difference]: Start difference. First operand 231 states and 275 transitions. Second operand 5 states. [2020-12-22 19:20:48,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:48,998 INFO L93 Difference]: Finished difference Result 375 states and 447 transitions. [2020-12-22 19:20:48,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 19:20:48,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-12-22 19:20:48,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:49,000 INFO L225 Difference]: With dead ends: 375 [2020-12-22 19:20:49,001 INFO L226 Difference]: Without dead ends: 375 [2020-12-22 19:20:49,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:20:49,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-12-22 19:20:49,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 230. [2020-12-22 19:20:49,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-12-22 19:20:49,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 274 transitions. [2020-12-22 19:20:49,007 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 274 transitions. Word has length 35 [2020-12-22 19:20:49,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:49,007 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 274 transitions. [2020-12-22 19:20:49,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 19:20:49,008 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 274 transitions. [2020-12-22 19:20:49,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 19:20:49,008 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:49,008 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:49,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-22 19:20:49,009 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:49,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:49,009 INFO L82 PathProgramCache]: Analyzing trace with hash -2015014111, now seen corresponding path program 1 times [2020-12-22 19:20:49,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:49,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935181581] [2020-12-22 19:20:49,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:49,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:49,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935181581] [2020-12-22 19:20:49,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:49,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-22 19:20:49,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165410780] [2020-12-22 19:20:49,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-22 19:20:49,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:49,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-22 19:20:49,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2020-12-22 19:20:49,361 INFO L87 Difference]: Start difference. First operand 230 states and 274 transitions. Second operand 15 states. [2020-12-22 19:20:51,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:51,802 INFO L93 Difference]: Finished difference Result 512 states and 563 transitions. [2020-12-22 19:20:51,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-22 19:20:51,803 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 36 [2020-12-22 19:20:51,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:51,806 INFO L225 Difference]: With dead ends: 512 [2020-12-22 19:20:51,806 INFO L226 Difference]: Without dead ends: 512 [2020-12-22 19:20:51,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=357, Invalid=1365, Unknown=0, NotChecked=0, Total=1722 [2020-12-22 19:20:51,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-12-22 19:20:51,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 230. [2020-12-22 19:20:51,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-12-22 19:20:51,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 273 transitions. [2020-12-22 19:20:51,814 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 273 transitions. Word has length 36 [2020-12-22 19:20:51,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:51,814 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 273 transitions. [2020-12-22 19:20:51,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-22 19:20:51,815 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 273 transitions. [2020-12-22 19:20:51,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 19:20:51,815 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:51,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:51,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-22 19:20:51,816 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:51,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:51,816 INFO L82 PathProgramCache]: Analyzing trace with hash -2036268432, now seen corresponding path program 1 times [2020-12-22 19:20:51,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:51,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955942372] [2020-12-22 19:20:51,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:51,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 19:20:51,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955942372] [2020-12-22 19:20:51,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:51,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 19:20:51,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611243230] [2020-12-22 19:20:51,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 19:20:51,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:51,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 19:20:51,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-22 19:20:51,894 INFO L87 Difference]: Start difference. First operand 230 states and 273 transitions. Second operand 7 states. [2020-12-22 19:20:52,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:52,205 INFO L93 Difference]: Finished difference Result 253 states and 296 transitions. [2020-12-22 19:20:52,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 19:20:52,206 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-12-22 19:20:52,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:52,208 INFO L225 Difference]: With dead ends: 253 [2020-12-22 19:20:52,208 INFO L226 Difference]: Without dead ends: 253 [2020-12-22 19:20:52,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-12-22 19:20:52,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-12-22 19:20:52,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 239. [2020-12-22 19:20:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-12-22 19:20:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 282 transitions. [2020-12-22 19:20:52,225 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 282 transitions. Word has length 37 [2020-12-22 19:20:52,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:52,226 INFO L481 AbstractCegarLoop]: Abstraction has 239 states and 282 transitions. [2020-12-22 19:20:52,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 19:20:52,226 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 282 transitions. [2020-12-22 19:20:52,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-22 19:20:52,227 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:52,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:52,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-22 19:20:52,227 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:52,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:52,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1703408731, now seen corresponding path program 1 times [2020-12-22 19:20:52,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:52,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525952044] [2020-12-22 19:20:52,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:52,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525952044] [2020-12-22 19:20:52,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:52,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:20:52,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101599929] [2020-12-22 19:20:52,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:20:52,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:52,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:20:52,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:20:52,279 INFO L87 Difference]: Start difference. First operand 239 states and 282 transitions. Second operand 3 states. [2020-12-22 19:20:52,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:52,289 INFO L93 Difference]: Finished difference Result 240 states and 283 transitions. [2020-12-22 19:20:52,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:20:52,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-12-22 19:20:52,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:52,291 INFO L225 Difference]: With dead ends: 240 [2020-12-22 19:20:52,291 INFO L226 Difference]: Without dead ends: 240 [2020-12-22 19:20:52,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:20:52,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-12-22 19:20:52,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2020-12-22 19:20:52,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-12-22 19:20:52,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 283 transitions. [2020-12-22 19:20:52,297 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 283 transitions. Word has length 38 [2020-12-22 19:20:52,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:52,298 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 283 transitions. [2020-12-22 19:20:52,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:20:52,298 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 283 transitions. [2020-12-22 19:20:52,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-22 19:20:52,298 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:52,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:52,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-22 19:20:52,299 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:52,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:52,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1433935337, now seen corresponding path program 1 times [2020-12-22 19:20:52,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:52,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067008807] [2020-12-22 19:20:52,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:52,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:52,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067008807] [2020-12-22 19:20:52,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:52,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-12-22 19:20:52,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129382599] [2020-12-22 19:20:52,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-22 19:20:52,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:52,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-22 19:20:52,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-12-22 19:20:52,516 INFO L87 Difference]: Start difference. First operand 240 states and 283 transitions. Second operand 14 states. [2020-12-22 19:20:53,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:53,625 INFO L93 Difference]: Finished difference Result 258 states and 303 transitions. [2020-12-22 19:20:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-22 19:20:53,625 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2020-12-22 19:20:53,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:53,627 INFO L225 Difference]: With dead ends: 258 [2020-12-22 19:20:53,627 INFO L226 Difference]: Without dead ends: 258 [2020-12-22 19:20:53,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=170, Invalid=586, Unknown=0, NotChecked=0, Total=756 [2020-12-22 19:20:53,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-12-22 19:20:53,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 239. [2020-12-22 19:20:53,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-12-22 19:20:53,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 282 transitions. [2020-12-22 19:20:53,634 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 282 transitions. Word has length 38 [2020-12-22 19:20:53,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:53,635 INFO L481 AbstractCegarLoop]: Abstraction has 239 states and 282 transitions. [2020-12-22 19:20:53,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-22 19:20:53,635 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 282 transitions. [2020-12-22 19:20:53,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-22 19:20:53,635 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:53,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:53,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-22 19:20:53,636 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:53,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:53,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1433935336, now seen corresponding path program 1 times [2020-12-22 19:20:53,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:53,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561258476] [2020-12-22 19:20:53,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:53,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:53,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561258476] [2020-12-22 19:20:53,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:53,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-12-22 19:20:53,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666361644] [2020-12-22 19:20:53,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-22 19:20:53,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:53,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-22 19:20:53,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-12-22 19:20:53,843 INFO L87 Difference]: Start difference. First operand 239 states and 282 transitions. Second operand 14 states. [2020-12-22 19:20:55,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:55,142 INFO L93 Difference]: Finished difference Result 257 states and 302 transitions. [2020-12-22 19:20:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-22 19:20:55,142 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2020-12-22 19:20:55,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:55,144 INFO L225 Difference]: With dead ends: 257 [2020-12-22 19:20:55,144 INFO L226 Difference]: Without dead ends: 257 [2020-12-22 19:20:55,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=170, Invalid=586, Unknown=0, NotChecked=0, Total=756 [2020-12-22 19:20:55,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-12-22 19:20:55,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 238. [2020-12-22 19:20:55,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-12-22 19:20:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 281 transitions. [2020-12-22 19:20:55,149 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 281 transitions. Word has length 38 [2020-12-22 19:20:55,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:55,150 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 281 transitions. [2020-12-22 19:20:55,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-22 19:20:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 281 transitions. [2020-12-22 19:20:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-22 19:20:55,150 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:55,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:55,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-22 19:20:55,151 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:55,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:55,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1476710115, now seen corresponding path program 1 times [2020-12-22 19:20:55,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:55,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875971877] [2020-12-22 19:20:55,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:55,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875971877] [2020-12-22 19:20:55,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:55,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-12-22 19:20:55,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252348357] [2020-12-22 19:20:55,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-22 19:20:55,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:55,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-22 19:20:55,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-12-22 19:20:55,475 INFO L87 Difference]: Start difference. First operand 238 states and 281 transitions. Second operand 14 states. [2020-12-22 19:20:57,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:57,081 INFO L93 Difference]: Finished difference Result 534 states and 582 transitions. [2020-12-22 19:20:57,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-22 19:20:57,082 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 39 [2020-12-22 19:20:57,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:57,086 INFO L225 Difference]: With dead ends: 534 [2020-12-22 19:20:57,086 INFO L226 Difference]: Without dead ends: 534 [2020-12-22 19:20:57,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2020-12-22 19:20:57,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2020-12-22 19:20:57,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 238. [2020-12-22 19:20:57,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-12-22 19:20:57,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 280 transitions. [2020-12-22 19:20:57,094 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 280 transitions. Word has length 39 [2020-12-22 19:20:57,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:57,095 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 280 transitions. [2020-12-22 19:20:57,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-22 19:20:57,095 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 280 transitions. [2020-12-22 19:20:57,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-22 19:20:57,096 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:57,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:57,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-22 19:20:57,096 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:57,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:57,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1716861432, now seen corresponding path program 1 times [2020-12-22 19:20:57,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:57,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796812878] [2020-12-22 19:20:57,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:57,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 19:20:57,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796812878] [2020-12-22 19:20:57,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:57,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 19:20:57,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869980094] [2020-12-22 19:20:57,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:20:57,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:57,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:20:57,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:20:57,128 INFO L87 Difference]: Start difference. First operand 238 states and 280 transitions. Second operand 3 states. [2020-12-22 19:20:57,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:57,186 INFO L93 Difference]: Finished difference Result 251 states and 284 transitions. [2020-12-22 19:20:57,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:20:57,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-12-22 19:20:57,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:57,188 INFO L225 Difference]: With dead ends: 251 [2020-12-22 19:20:57,188 INFO L226 Difference]: Without dead ends: 251 [2020-12-22 19:20:57,189 INFO L677 BasicCegarLoop]: 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 [2020-12-22 19:20:57,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-12-22 19:20:57,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 239. [2020-12-22 19:20:57,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-12-22 19:20:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 281 transitions. [2020-12-22 19:20:57,195 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 281 transitions. Word has length 39 [2020-12-22 19:20:57,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:57,195 INFO L481 AbstractCegarLoop]: Abstraction has 239 states and 281 transitions. [2020-12-22 19:20:57,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:20:57,195 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 281 transitions. [2020-12-22 19:20:57,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-22 19:20:57,196 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:57,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:57,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-22 19:20:57,197 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:57,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:57,197 INFO L82 PathProgramCache]: Analyzing trace with hash -591610838, now seen corresponding path program 1 times [2020-12-22 19:20:57,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:57,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083400881] [2020-12-22 19:20:57,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:57,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083400881] [2020-12-22 19:20:57,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:57,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 19:20:57,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218255661] [2020-12-22 19:20:57,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 19:20:57,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:57,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 19:20:57,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 19:20:57,269 INFO L87 Difference]: Start difference. First operand 239 states and 281 transitions. Second operand 7 states. [2020-12-22 19:20:57,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:57,535 INFO L93 Difference]: Finished difference Result 248 states and 292 transitions. [2020-12-22 19:20:57,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 19:20:57,536 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-12-22 19:20:57,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:57,538 INFO L225 Difference]: With dead ends: 248 [2020-12-22 19:20:57,538 INFO L226 Difference]: Without dead ends: 248 [2020-12-22 19:20:57,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-12-22 19:20:57,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-12-22 19:20:57,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 236. [2020-12-22 19:20:57,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-12-22 19:20:57,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 278 transitions. [2020-12-22 19:20:57,544 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 278 transitions. Word has length 40 [2020-12-22 19:20:57,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:57,544 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 278 transitions. [2020-12-22 19:20:57,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 19:20:57,545 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 278 transitions. [2020-12-22 19:20:57,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-22 19:20:57,545 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:57,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:57,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-22 19:20:57,546 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:57,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:57,546 INFO L82 PathProgramCache]: Analyzing trace with hash -495599428, now seen corresponding path program 1 times [2020-12-22 19:20:57,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:57,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408595281] [2020-12-22 19:20:57,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:57,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 19:20:57,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408595281] [2020-12-22 19:20:57,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:57,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:20:57,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273668291] [2020-12-22 19:20:57,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:20:57,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:57,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:20:57,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:20:57,578 INFO L87 Difference]: Start difference. First operand 236 states and 278 transitions. Second operand 3 states. [2020-12-22 19:20:57,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:57,655 INFO L93 Difference]: Finished difference Result 245 states and 286 transitions. [2020-12-22 19:20:57,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:20:57,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-12-22 19:20:57,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:57,657 INFO L225 Difference]: With dead ends: 245 [2020-12-22 19:20:57,657 INFO L226 Difference]: Without dead ends: 245 [2020-12-22 19:20:57,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:20:57,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-12-22 19:20:57,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 234. [2020-12-22 19:20:57,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-12-22 19:20:57,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 275 transitions. [2020-12-22 19:20:57,663 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 275 transitions. Word has length 41 [2020-12-22 19:20:57,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:57,664 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 275 transitions. [2020-12-22 19:20:57,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:20:57,664 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 275 transitions. [2020-12-22 19:20:57,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-22 19:20:57,664 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:57,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:57,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-12-22 19:20:57,665 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:57,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:57,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1816291356, now seen corresponding path program 1 times [2020-12-22 19:20:57,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:57,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585468081] [2020-12-22 19:20:57,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:57,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 19:20:57,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585468081] [2020-12-22 19:20:57,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:57,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-22 19:20:57,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513954991] [2020-12-22 19:20:57,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 19:20:57,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:57,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 19:20:57,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-22 19:20:57,770 INFO L87 Difference]: Start difference. First operand 234 states and 275 transitions. Second operand 10 states. [2020-12-22 19:20:58,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:58,471 INFO L93 Difference]: Finished difference Result 414 states and 468 transitions. [2020-12-22 19:20:58,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 19:20:58,471 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 42 [2020-12-22 19:20:58,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:58,473 INFO L225 Difference]: With dead ends: 414 [2020-12-22 19:20:58,473 INFO L226 Difference]: Without dead ends: 414 [2020-12-22 19:20:58,473 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2020-12-22 19:20:58,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2020-12-22 19:20:58,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 241. [2020-12-22 19:20:58,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-12-22 19:20:58,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 284 transitions. [2020-12-22 19:20:58,480 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 284 transitions. Word has length 42 [2020-12-22 19:20:58,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:58,480 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 284 transitions. [2020-12-22 19:20:58,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 19:20:58,481 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 284 transitions. [2020-12-22 19:20:58,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-22 19:20:58,481 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:58,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:58,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-12-22 19:20:58,482 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:58,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:58,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1816291357, now seen corresponding path program 1 times [2020-12-22 19:20:58,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:58,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090745573] [2020-12-22 19:20:58,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:58,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 19:20:58,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090745573] [2020-12-22 19:20:58,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:20:58,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-22 19:20:58,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602763479] [2020-12-22 19:20:58,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 19:20:58,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:20:58,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 19:20:58,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-22 19:20:58,632 INFO L87 Difference]: Start difference. First operand 241 states and 284 transitions. Second operand 10 states. [2020-12-22 19:20:59,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:20:59,649 INFO L93 Difference]: Finished difference Result 417 states and 471 transitions. [2020-12-22 19:20:59,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-22 19:20:59,650 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 42 [2020-12-22 19:20:59,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:20:59,651 INFO L225 Difference]: With dead ends: 417 [2020-12-22 19:20:59,651 INFO L226 Difference]: Without dead ends: 417 [2020-12-22 19:20:59,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-12-22 19:20:59,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-12-22 19:20:59,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 247. [2020-12-22 19:20:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-12-22 19:20:59,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 291 transitions. [2020-12-22 19:20:59,658 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 291 transitions. Word has length 42 [2020-12-22 19:20:59,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:20:59,658 INFO L481 AbstractCegarLoop]: Abstraction has 247 states and 291 transitions. [2020-12-22 19:20:59,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 19:20:59,659 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 291 transitions. [2020-12-22 19:20:59,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-22 19:20:59,659 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:20:59,659 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:20:59,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-12-22 19:20:59,660 INFO L429 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:20:59,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:20:59,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1746146402, now seen corresponding path program 1 times [2020-12-22 19:20:59,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:20:59,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170715145] [2020-12-22 19:20:59,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:20:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:20:59,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170715145] [2020-12-22 19:20:59,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343755181] [2020-12-22 19:20:59,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:20:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:20:59,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-22 19:20:59,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 19:20:59,913 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 19:20:59,914 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:20:59,919 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:20:59,923 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 19:20:59,923 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:20:59,928 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:20:59,929 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:20:59,929 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2020-12-22 19:20:59,941 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-12-22 19:20:59,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:59,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:59,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:59,953 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2020-12-22 19:20:59,954 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:20:59,959 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:20:59,960 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:20:59,968 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:20:59,972 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-12-22 19:20:59,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:59,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:59,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:20:59,981 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2020-12-22 19:20:59,983 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 19:20:59,987 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:20:59,988 INFO L547 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:20:59,996 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:20:59,996 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:20:59,997 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:51, output treesize:33 [2020-12-22 19:21:00,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:00,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:00,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:00,039 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-12-22 19:21:00,042 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:00,058 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:00,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:00,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:00,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:00,067 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-12-22 19:21:00,071 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:00,084 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:00,085 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:00,085 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:59, output treesize:51 [2020-12-22 19:21:00,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:00,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:00,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:00,216 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2020-12-22 19:21:00,218 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:00,228 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:00,236 INFO L348 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2020-12-22 19:21:00,237 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 13 [2020-12-22 19:21:00,245 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:00,249 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:00,250 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:00,250 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:65, output treesize:7 [2020-12-22 19:21:00,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 19:21:00,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 19:21:00,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 9 [2020-12-22 19:21:00,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74059189] [2020-12-22 19:21:00,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 19:21:00,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:21:00,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 19:21:00,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-22 19:21:00,282 INFO L87 Difference]: Start difference. First operand 247 states and 291 transitions. Second operand 9 states. [2020-12-22 19:21:00,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:21:00,868 INFO L93 Difference]: Finished difference Result 312 states and 347 transitions. [2020-12-22 19:21:00,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 19:21:00,869 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2020-12-22 19:21:00,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:21:00,870 INFO L225 Difference]: With dead ends: 312 [2020-12-22 19:21:00,870 INFO L226 Difference]: Without dead ends: 312 [2020-12-22 19:21:00,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-12-22 19:21:00,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-12-22 19:21:00,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 256. [2020-12-22 19:21:00,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-12-22 19:21:00,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 302 transitions. [2020-12-22 19:21:00,877 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 302 transitions. Word has length 42 [2020-12-22 19:21:00,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:21:00,878 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 302 transitions. [2020-12-22 19:21:00,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 19:21:00,878 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 302 transitions. [2020-12-22 19:21:00,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-22 19:21:00,878 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:21:00,879 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:21:01,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-12-22 19:21:01,092 INFO L429 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:21:01,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:21:01,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1704037666, now seen corresponding path program 1 times [2020-12-22 19:21:01,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:21:01,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724200170] [2020-12-22 19:21:01,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:21:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 19:21:01,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724200170] [2020-12-22 19:21:01,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211377323] [2020-12-22 19:21:01,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:21:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:01,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 19:21:01,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 19:21:01,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 19:21:01,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 19:21:01,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2020-12-22 19:21:01,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275068948] [2020-12-22 19:21:01,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 19:21:01,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:21:01,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 19:21:01,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 19:21:01,367 INFO L87 Difference]: Start difference. First operand 256 states and 302 transitions. Second operand 6 states. [2020-12-22 19:21:01,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:21:01,517 INFO L93 Difference]: Finished difference Result 287 states and 333 transitions. [2020-12-22 19:21:01,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 19:21:01,518 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-12-22 19:21:01,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:21:01,519 INFO L225 Difference]: With dead ends: 287 [2020-12-22 19:21:01,519 INFO L226 Difference]: Without dead ends: 263 [2020-12-22 19:21:01,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 19:21:01,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-12-22 19:21:01,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2020-12-22 19:21:01,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-12-22 19:21:01,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 309 transitions. [2020-12-22 19:21:01,527 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 309 transitions. Word has length 43 [2020-12-22 19:21:01,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:21:01,527 INFO L481 AbstractCegarLoop]: Abstraction has 263 states and 309 transitions. [2020-12-22 19:21:01,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 19:21:01,527 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 309 transitions. [2020-12-22 19:21:01,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-22 19:21:01,528 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:21:01,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:21:01,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-12-22 19:21:01,741 INFO L429 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:21:01,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:21:01,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1699282236, now seen corresponding path program 1 times [2020-12-22 19:21:01,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:21:01,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777592348] [2020-12-22 19:21:01,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:21:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:02,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:21:02,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777592348] [2020-12-22 19:21:02,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:21:02,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 19:21:02,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114809187] [2020-12-22 19:21:02,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 19:21:02,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:21:02,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 19:21:02,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:21:02,013 INFO L87 Difference]: Start difference. First operand 263 states and 309 transitions. Second operand 8 states. [2020-12-22 19:21:02,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:21:02,581 INFO L93 Difference]: Finished difference Result 287 states and 321 transitions. [2020-12-22 19:21:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 19:21:02,581 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2020-12-22 19:21:02,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:21:02,583 INFO L225 Difference]: With dead ends: 287 [2020-12-22 19:21:02,583 INFO L226 Difference]: Without dead ends: 287 [2020-12-22 19:21:02,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-12-22 19:21:02,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-12-22 19:21:02,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 262. [2020-12-22 19:21:02,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-12-22 19:21:02,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 307 transitions. [2020-12-22 19:21:02,590 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 307 transitions. Word has length 44 [2020-12-22 19:21:02,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:21:02,590 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 307 transitions. [2020-12-22 19:21:02,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 19:21:02,590 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 307 transitions. [2020-12-22 19:21:02,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-22 19:21:02,591 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:21:02,591 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:21:02,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-12-22 19:21:02,591 INFO L429 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:21:02,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:21:02,592 INFO L82 PathProgramCache]: Analyzing trace with hash 91388494, now seen corresponding path program 1 times [2020-12-22 19:21:02,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:21:02,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38860067] [2020-12-22 19:21:02,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:21:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:02,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:21:02,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38860067] [2020-12-22 19:21:02,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:21:02,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:21:02,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645949747] [2020-12-22 19:21:02,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:21:02,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:21:02,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:21:02,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:21:02,621 INFO L87 Difference]: Start difference. First operand 262 states and 307 transitions. Second operand 3 states. [2020-12-22 19:21:02,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:21:02,633 INFO L93 Difference]: Finished difference Result 402 states and 478 transitions. [2020-12-22 19:21:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:21:02,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-22 19:21:02,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:21:02,635 INFO L225 Difference]: With dead ends: 402 [2020-12-22 19:21:02,635 INFO L226 Difference]: Without dead ends: 402 [2020-12-22 19:21:02,636 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:21:02,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-12-22 19:21:02,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 299. [2020-12-22 19:21:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-12-22 19:21:02,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 365 transitions. [2020-12-22 19:21:02,643 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 365 transitions. Word has length 44 [2020-12-22 19:21:02,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:21:02,643 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 365 transitions. [2020-12-22 19:21:02,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:21:02,643 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 365 transitions. [2020-12-22 19:21:02,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-22 19:21:02,644 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:21:02,644 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:21:02,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-12-22 19:21:02,644 INFO L429 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:21:02,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:21:02,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1924708417, now seen corresponding path program 1 times [2020-12-22 19:21:02,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:21:02,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188915282] [2020-12-22 19:21:02,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:21:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:02,703 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:21:02,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188915282] [2020-12-22 19:21:02,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:21:02,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 19:21:02,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885667873] [2020-12-22 19:21:02,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 19:21:02,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:21:02,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 19:21:02,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 19:21:02,705 INFO L87 Difference]: Start difference. First operand 299 states and 365 transitions. Second operand 6 states. [2020-12-22 19:21:02,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:21:02,877 INFO L93 Difference]: Finished difference Result 246 states and 277 transitions. [2020-12-22 19:21:02,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 19:21:02,877 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 46 [2020-12-22 19:21:02,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:21:02,879 INFO L225 Difference]: With dead ends: 246 [2020-12-22 19:21:02,879 INFO L226 Difference]: Without dead ends: 246 [2020-12-22 19:21:02,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 19:21:02,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-12-22 19:21:02,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2020-12-22 19:21:02,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-12-22 19:21:02,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 277 transitions. [2020-12-22 19:21:02,886 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 277 transitions. Word has length 46 [2020-12-22 19:21:02,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:21:02,886 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 277 transitions. [2020-12-22 19:21:02,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 19:21:02,886 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 277 transitions. [2020-12-22 19:21:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-22 19:21:02,887 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:21:02,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:21:02,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-12-22 19:21:02,887 INFO L429 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:21:02,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:21:02,888 INFO L82 PathProgramCache]: Analyzing trace with hash -89945751, now seen corresponding path program 1 times [2020-12-22 19:21:02,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:21:02,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783285345] [2020-12-22 19:21:02,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:21:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:03,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 19:21:03,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783285345] [2020-12-22 19:21:03,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:21:03,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-22 19:21:03,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348545207] [2020-12-22 19:21:03,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 19:21:03,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:21:03,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 19:21:03,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-22 19:21:03,025 INFO L87 Difference]: Start difference. First operand 246 states and 277 transitions. Second operand 10 states. [2020-12-22 19:21:03,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:21:03,687 INFO L93 Difference]: Finished difference Result 349 states and 387 transitions. [2020-12-22 19:21:03,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 19:21:03,687 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 49 [2020-12-22 19:21:03,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:21:03,689 INFO L225 Difference]: With dead ends: 349 [2020-12-22 19:21:03,689 INFO L226 Difference]: Without dead ends: 349 [2020-12-22 19:21:03,690 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-12-22 19:21:03,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-12-22 19:21:03,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 223. [2020-12-22 19:21:03,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-12-22 19:21:03,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 252 transitions. [2020-12-22 19:21:03,696 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 252 transitions. Word has length 49 [2020-12-22 19:21:03,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:21:03,697 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 252 transitions. [2020-12-22 19:21:03,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 19:21:03,697 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 252 transitions. [2020-12-22 19:21:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 19:21:03,698 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:21:03,698 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:21:03,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-12-22 19:21:03,698 INFO L429 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:21:03,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:21:03,699 INFO L82 PathProgramCache]: Analyzing trace with hash -179789688, now seen corresponding path program 1 times [2020-12-22 19:21:03,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:21:03,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333101998] [2020-12-22 19:21:03,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:21:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:03,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:21:03,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333101998] [2020-12-22 19:21:03,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:21:03,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 19:21:03,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979401922] [2020-12-22 19:21:03,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 19:21:03,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:21:03,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 19:21:03,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:21:03,746 INFO L87 Difference]: Start difference. First operand 223 states and 252 transitions. Second operand 5 states. [2020-12-22 19:21:03,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:21:03,890 INFO L93 Difference]: Finished difference Result 236 states and 266 transitions. [2020-12-22 19:21:03,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 19:21:03,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-22 19:21:03,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:21:03,892 INFO L225 Difference]: With dead ends: 236 [2020-12-22 19:21:03,892 INFO L226 Difference]: Without dead ends: 236 [2020-12-22 19:21:03,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 19:21:03,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-12-22 19:21:03,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 226. [2020-12-22 19:21:03,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-12-22 19:21:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 255 transitions. [2020-12-22 19:21:03,897 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 255 transitions. Word has length 51 [2020-12-22 19:21:03,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:21:03,897 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 255 transitions. [2020-12-22 19:21:03,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 19:21:03,897 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 255 transitions. [2020-12-22 19:21:03,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 19:21:03,898 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:21:03,898 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:21:03,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-12-22 19:21:03,899 INFO L429 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:21:03,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:21:03,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1415295011, now seen corresponding path program 1 times [2020-12-22 19:21:03,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:21:03,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651431105] [2020-12-22 19:21:03,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:21:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:21:04,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651431105] [2020-12-22 19:21:04,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944676073] [2020-12-22 19:21:04,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:21:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:04,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 41 conjunts are in the unsatisfiable core [2020-12-22 19:21:04,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 19:21:04,463 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-22 19:21:04,464 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:04,467 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:04,468 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:04,468 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-22 19:21:04,505 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-12-22 19:21:04,506 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:04,514 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:04,517 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-12-22 19:21:04,518 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:04,526 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:04,526 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:04,527 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:27 [2020-12-22 19:21:04,586 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:04,586 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-12-22 19:21:04,588 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:04,592 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:04,603 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:04,603 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:04,604 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:32 [2020-12-22 19:21:04,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:04,674 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-12-22 19:21:04,675 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:04,692 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:04,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:04,697 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-12-22 19:21:04,699 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:04,715 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:04,716 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:04,717 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:54, output treesize:36 [2020-12-22 19:21:04,818 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_56|], 6=[|v_#memory_$Pointer$.base_56|]} [2020-12-22 19:21:04,823 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2020-12-22 19:21:04,825 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:04,843 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:04,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:04,888 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:04,889 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 107 [2020-12-22 19:21:04,897 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 2, 1] term [2020-12-22 19:21:04,898 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:21:04,905 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-12-22 19:21:04,954 INFO L625 ElimStorePlain]: treesize reduction 46, result has 57.4 percent of original size [2020-12-22 19:21:04,956 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:04,957 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:78, output treesize:62 [2020-12-22 19:21:05,181 INFO L443 ElimStorePlain]: Different costs {6=[|v_#memory_$Pointer$.offset_57|], 12=[|v_#memory_$Pointer$.base_57|]} [2020-12-22 19:21:05,202 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:05,203 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 62 [2020-12-22 19:21:05,205 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:05,273 INFO L625 ElimStorePlain]: treesize reduction 20, result has 81.8 percent of original size [2020-12-22 19:21:05,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:05,367 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:05,368 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 178 [2020-12-22 19:21:05,374 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:05,443 INFO L625 ElimStorePlain]: treesize reduction 16, result has 83.3 percent of original size [2020-12-22 19:21:05,446 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 19:21:05,448 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:05,448 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:05,451 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:05,451 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:88, output treesize:50 [2020-12-22 19:21:05,562 INFO L443 ElimStorePlain]: Different costs {6=[|v_#memory_$Pointer$.offset_58|], 12=[|v_#memory_$Pointer$.base_58|]} [2020-12-22 19:21:05,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:05,570 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2020-12-22 19:21:05,572 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:05,593 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:05,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:05,684 INFO L348 Elim1Store]: treesize reduction 46, result has 65.2 percent of original size [2020-12-22 19:21:05,684 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 74 treesize of output 124 [2020-12-22 19:21:05,688 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 2, 1] term [2020-12-22 19:21:05,689 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 19:21:05,690 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:05,716 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:05,719 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:05,720 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:97, output treesize:81 [2020-12-22 19:21:05,996 INFO L443 ElimStorePlain]: Different costs {6=[|#memory_$Pointer$.offset|], 12=[|#memory_$Pointer$.base|]} [2020-12-22 19:21:06,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:06,002 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 13 [2020-12-22 19:21:06,004 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:06,019 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:06,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:06,078 INFO L348 Elim1Store]: treesize reduction 10, result has 84.1 percent of original size [2020-12-22 19:21:06,079 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 72 [2020-12-22 19:21:06,082 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:21:06,083 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 19:21:06,083 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 19:21:06,084 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 19:21:06,086 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 19:21:06,086 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 19:21:06,088 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:06,094 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:06,095 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:06,096 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:88, output treesize:7 [2020-12-22 19:21:06,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:21:06,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 19:21:06,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 27 [2020-12-22 19:21:06,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203986284] [2020-12-22 19:21:06,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-12-22 19:21:06,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:21:06,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-12-22 19:21:06,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2020-12-22 19:21:06,156 INFO L87 Difference]: Start difference. First operand 226 states and 255 transitions. Second operand 27 states. [2020-12-22 19:21:10,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:21:10,550 INFO L93 Difference]: Finished difference Result 461 states and 487 transitions. [2020-12-22 19:21:10,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-22 19:21:10,550 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 53 [2020-12-22 19:21:10,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:21:10,552 INFO L225 Difference]: With dead ends: 461 [2020-12-22 19:21:10,552 INFO L226 Difference]: Without dead ends: 461 [2020-12-22 19:21:10,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 897 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=593, Invalid=2829, Unknown=0, NotChecked=0, Total=3422 [2020-12-22 19:21:10,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-12-22 19:21:10,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 265. [2020-12-22 19:21:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-12-22 19:21:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 297 transitions. [2020-12-22 19:21:10,561 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 297 transitions. Word has length 53 [2020-12-22 19:21:10,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:21:10,561 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 297 transitions. [2020-12-22 19:21:10,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-12-22 19:21:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 297 transitions. [2020-12-22 19:21:10,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 19:21:10,562 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:21:10,562 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:21:10,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:21:10,776 INFO L429 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:21:10,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:21:10,777 INFO L82 PathProgramCache]: Analyzing trace with hash -940395114, now seen corresponding path program 1 times [2020-12-22 19:21:10,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:21:10,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432377763] [2020-12-22 19:21:10,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:21:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:21:11,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432377763] [2020-12-22 19:21:11,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899939515] [2020-12-22 19:21:11,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:21:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:11,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 32 conjunts are in the unsatisfiable core [2020-12-22 19:21:11,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 19:21:11,304 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:11,304 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-12-22 19:21:11,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:11,310 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:11,313 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:11,323 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:11,324 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:11,324 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2020-12-22 19:21:11,361 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 19:21:11,362 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:11,374 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:11,380 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:11,381 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:21 [2020-12-22 19:21:11,474 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:11,474 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 52 [2020-12-22 19:21:11,477 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 2, 1] term [2020-12-22 19:21:11,477 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 19:21:11,479 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-12-22 19:21:11,508 INFO L625 ElimStorePlain]: treesize reduction 28, result has 54.8 percent of original size [2020-12-22 19:21:11,510 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:11,510 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:42, output treesize:34 [2020-12-22 19:21:11,712 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:11,712 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 105 [2020-12-22 19:21:11,716 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:11,760 INFO L625 ElimStorePlain]: treesize reduction 16, result has 73.8 percent of original size [2020-12-22 19:21:11,765 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:11,765 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:51, output treesize:30 [2020-12-22 19:21:11,872 INFO L348 Elim1Store]: treesize reduction 32, result has 57.3 percent of original size [2020-12-22 19:21:11,873 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 67 [2020-12-22 19:21:11,875 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2020-12-22 19:21:11,875 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:21:11,876 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:11,888 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:11,890 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:11,890 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:56, output treesize:48 [2020-12-22 19:21:12,136 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 19:21:12,209 INFO L348 Elim1Store]: treesize reduction 10, result has 84.8 percent of original size [2020-12-22 19:21:12,210 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 77 [2020-12-22 19:21:12,212 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:12,232 INFO L625 ElimStorePlain]: treesize reduction 3, result has 86.4 percent of original size [2020-12-22 19:21:12,235 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:12,236 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:61, output treesize:5 [2020-12-22 19:21:12,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:21:12,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 19:21:12,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2020-12-22 19:21:12,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842357104] [2020-12-22 19:21:12,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-12-22 19:21:12,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:21:12,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-12-22 19:21:12,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=594, Unknown=0, NotChecked=0, Total=702 [2020-12-22 19:21:12,301 INFO L87 Difference]: Start difference. First operand 265 states and 297 transitions. Second operand 27 states. [2020-12-22 19:21:15,003 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 49 [2020-12-22 19:21:16,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:21:16,989 INFO L93 Difference]: Finished difference Result 556 states and 590 transitions. [2020-12-22 19:21:16,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-12-22 19:21:16,989 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 55 [2020-12-22 19:21:16,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:21:16,992 INFO L225 Difference]: With dead ends: 556 [2020-12-22 19:21:16,992 INFO L226 Difference]: Without dead ends: 556 [2020-12-22 19:21:16,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=606, Invalid=2256, Unknown=0, NotChecked=0, Total=2862 [2020-12-22 19:21:16,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2020-12-22 19:21:17,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 352. [2020-12-22 19:21:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2020-12-22 19:21:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 399 transitions. [2020-12-22 19:21:17,005 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 399 transitions. Word has length 55 [2020-12-22 19:21:17,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:21:17,005 INFO L481 AbstractCegarLoop]: Abstraction has 352 states and 399 transitions. [2020-12-22 19:21:17,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-12-22 19:21:17,005 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 399 transitions. [2020-12-22 19:21:17,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 19:21:17,006 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:21:17,006 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:21:17,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2020-12-22 19:21:17,222 INFO L429 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:21:17,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:21:17,223 INFO L82 PathProgramCache]: Analyzing trace with hash -940395113, now seen corresponding path program 1 times [2020-12-22 19:21:17,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:21:17,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957976859] [2020-12-22 19:21:17,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:21:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:17,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:21:17,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957976859] [2020-12-22 19:21:17,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520112742] [2020-12-22 19:21:17,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:21:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:17,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 43 conjunts are in the unsatisfiable core [2020-12-22 19:21:17,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 19:21:17,645 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-22 19:21:17,646 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:17,650 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:17,651 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:17,651 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-22 19:21:17,772 INFO L443 ElimStorePlain]: Different costs {0=[|v_#length_78|], 1=[|v_#valid_93|]} [2020-12-22 19:21:17,776 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-22 19:21:17,777 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:17,793 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:17,803 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:17,804 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-12-22 19:21:17,805 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:17,807 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:17,820 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:17,821 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:17,822 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:25 [2020-12-22 19:21:17,874 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 19:21:17,875 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:17,892 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:17,897 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 19:21:17,897 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:17,912 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:17,914 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:17,914 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:44, output treesize:37 [2020-12-22 19:21:18,023 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:18,023 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 70 [2020-12-22 19:21:18,027 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2020-12-22 19:21:18,027 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:21:18,029 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-12-22 19:21:18,077 INFO L625 ElimStorePlain]: treesize reduction 46, result has 60.7 percent of original size [2020-12-22 19:21:18,082 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2020-12-22 19:21:18,085 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:18,104 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:18,105 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:18,105 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:79, output treesize:63 [2020-12-22 19:21:18,312 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:18,313 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 60 [2020-12-22 19:21:18,315 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:18,375 INFO L625 ElimStorePlain]: treesize reduction 26, result has 75.9 percent of original size [2020-12-22 19:21:18,430 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:18,430 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 119 [2020-12-22 19:21:18,434 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:18,495 INFO L625 ElimStorePlain]: treesize reduction 16, result has 81.0 percent of original size [2020-12-22 19:21:18,497 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:18,498 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:18,498 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:68 [2020-12-22 19:21:18,500 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:18,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:21:18,611 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2020-12-22 19:21:18,613 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:18,636 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:18,687 INFO L348 Elim1Store]: treesize reduction 32, result has 57.3 percent of original size [2020-12-22 19:21:18,687 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 83 [2020-12-22 19:21:18,690 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 2, 1] term [2020-12-22 19:21:18,690 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 19:21:18,691 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:18,711 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:18,713 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:18,713 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:95, output treesize:79 [2020-12-22 19:21:18,985 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 19:21:19,018 INFO L348 Elim1Store]: treesize reduction 10, result has 73.0 percent of original size [2020-12-22 19:21:19,018 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 73 treesize of output 64 [2020-12-22 19:21:19,021 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:19,064 INFO L625 ElimStorePlain]: treesize reduction 3, result has 94.2 percent of original size [2020-12-22 19:21:19,068 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 19:21:19,070 INFO L348 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2020-12-22 19:21:19,071 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 13 [2020-12-22 19:21:19,073 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:19,083 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:19,086 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:19,086 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:99, output treesize:9 [2020-12-22 19:21:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:21:19,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 19:21:19,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 25 [2020-12-22 19:21:19,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813027274] [2020-12-22 19:21:19,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-22 19:21:19,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:21:19,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-22 19:21:19,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2020-12-22 19:21:19,139 INFO L87 Difference]: Start difference. First operand 352 states and 399 transitions. Second operand 26 states. [2020-12-22 19:21:22,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:21:22,104 INFO L93 Difference]: Finished difference Result 506 states and 546 transitions. [2020-12-22 19:21:22,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-22 19:21:22,104 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 55 [2020-12-22 19:21:22,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:21:22,107 INFO L225 Difference]: With dead ends: 506 [2020-12-22 19:21:22,107 INFO L226 Difference]: Without dead ends: 506 [2020-12-22 19:21:22,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=319, Invalid=1487, Unknown=0, NotChecked=0, Total=1806 [2020-12-22 19:21:22,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2020-12-22 19:21:22,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 382. [2020-12-22 19:21:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-12-22 19:21:22,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 437 transitions. [2020-12-22 19:21:22,115 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 437 transitions. Word has length 55 [2020-12-22 19:21:22,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:21:22,116 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 437 transitions. [2020-12-22 19:21:22,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-12-22 19:21:22,116 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 437 transitions. [2020-12-22 19:21:22,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 19:21:22,117 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:21:22,117 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:21:22,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:21:22,331 INFO L429 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:21:22,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:21:22,331 INFO L82 PathProgramCache]: Analyzing trace with hash -283385346, now seen corresponding path program 1 times [2020-12-22 19:21:22,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:21:22,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683888663] [2020-12-22 19:21:22,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:21:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:21:22,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683888663] [2020-12-22 19:21:22,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604885326] [2020-12-22 19:21:22,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:21:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:22,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 35 conjunts are in the unsatisfiable core [2020-12-22 19:21:22,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 19:21:22,928 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-22 19:21:22,932 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:22,936 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:22,936 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:22,937 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:10 [2020-12-22 19:21:22,978 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:22,984 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-12-22 19:21:22,986 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:22,989 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:22,993 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:22,994 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:22,994 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:9 [2020-12-22 19:21:23,018 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-12-22 19:21:23,019 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:23,025 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:23,026 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:23,026 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2020-12-22 19:21:23,111 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:23,112 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 54 [2020-12-22 19:21:23,114 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 2, 1] term [2020-12-22 19:21:23,114 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 19:21:23,115 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:23,122 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:23,123 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:23,124 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:28 [2020-12-22 19:21:23,223 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_63|], 6=[|v_#memory_$Pointer$.base_69|]} [2020-12-22 19:21:23,227 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 53 [2020-12-22 19:21:23,228 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:23,254 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:23,302 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:23,303 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 149 [2020-12-22 19:21:23,306 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 2, 1] term [2020-12-22 19:21:23,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 19:21:23,308 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:23,338 INFO L625 ElimStorePlain]: treesize reduction 38, result has 64.8 percent of original size [2020-12-22 19:21:23,339 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:23,340 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:90, output treesize:70 [2020-12-22 19:21:23,860 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:23,865 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:23,870 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 19:21:23,902 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:23,903 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 66 [2020-12-22 19:21:23,905 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 19:21:23,907 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:23,941 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:23,954 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:23,954 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 70 [2020-12-22 19:21:23,957 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:21:23,959 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:23,990 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:23,995 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 12 [2020-12-22 19:21:23,997 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:24,022 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:24,026 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 16 [2020-12-22 19:21:24,028 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:24,046 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:24,049 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:24,049 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:219, output treesize:7 [2020-12-22 19:21:24,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 19:21:24,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 19:21:24,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [15] total 25 [2020-12-22 19:21:24,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230294513] [2020-12-22 19:21:24,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-22 19:21:24,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:21:24,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-22 19:21:24,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2020-12-22 19:21:24,095 INFO L87 Difference]: Start difference. First operand 382 states and 437 transitions. Second operand 13 states. [2020-12-22 19:21:30,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:21:30,076 INFO L93 Difference]: Finished difference Result 581 states and 650 transitions. [2020-12-22 19:21:30,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-22 19:21:30,076 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 56 [2020-12-22 19:21:30,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:21:30,079 INFO L225 Difference]: With dead ends: 581 [2020-12-22 19:21:30,079 INFO L226 Difference]: Without dead ends: 581 [2020-12-22 19:21:30,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 46 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=225, Invalid=1257, Unknown=0, NotChecked=0, Total=1482 [2020-12-22 19:21:30,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-12-22 19:21:30,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 382. [2020-12-22 19:21:30,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-12-22 19:21:30,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 436 transitions. [2020-12-22 19:21:30,088 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 436 transitions. Word has length 56 [2020-12-22 19:21:30,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:21:30,089 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 436 transitions. [2020-12-22 19:21:30,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-22 19:21:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 436 transitions. [2020-12-22 19:21:30,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-22 19:21:30,090 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:21:30,090 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:21:30,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2020-12-22 19:21:30,305 INFO L429 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:21:30,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:21:30,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1922935185, now seen corresponding path program 1 times [2020-12-22 19:21:30,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:21:30,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223088908] [2020-12-22 19:21:30,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:21:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:30,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:21:30,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223088908] [2020-12-22 19:21:30,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174753243] [2020-12-22 19:21:30,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:21:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:21:31,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 40 conjunts are in the unsatisfiable core [2020-12-22 19:21:31,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 19:21:31,014 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-22 19:21:31,018 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:31,023 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:31,023 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:31,023 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-22 19:21:31,093 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:31,093 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-12-22 19:21:31,096 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:31,100 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:31,108 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:31,109 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:31,109 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:18 [2020-12-22 19:21:31,158 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-12-22 19:21:31,159 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:31,170 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:31,171 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:31,171 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:30 [2020-12-22 19:21:31,244 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:31,245 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 59 [2020-12-22 19:21:31,247 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2020-12-22 19:21:31,247 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:21:31,248 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:31,260 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:31,262 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:31,262 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:43 [2020-12-22 19:21:31,466 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:31,467 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 109 [2020-12-22 19:21:31,470 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 2, 1] term [2020-12-22 19:21:31,470 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 19:21:31,472 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:31,533 INFO L625 ElimStorePlain]: treesize reduction 26, result has 69.0 percent of original size [2020-12-22 19:21:31,535 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:31,535 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:68, output treesize:58 [2020-12-22 19:21:37,653 WARN L197 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2020-12-22 19:21:37,799 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:37,800 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 99 [2020-12-22 19:21:37,806 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 19:21:37,807 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:37,810 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:37,831 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:37,832 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:37,832 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:59, output treesize:67 [2020-12-22 19:21:37,992 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:37,993 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 113 [2020-12-22 19:21:37,996 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:21:37,997 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:21:37,997 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:21:37,998 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:21:38,006 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:21:38,008 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:21:38,009 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:21:38,014 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:38,093 INFO L625 ElimStorePlain]: treesize reduction 46, result has 58.6 percent of original size [2020-12-22 19:21:38,097 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:21:38,100 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:38,100 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:78, output treesize:70 [2020-12-22 19:21:38,102 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:21:38,194 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:21:38,379 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 10, 1] term [2020-12-22 19:21:38,379 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:38,389 INFO L443 ElimStorePlain]: Different costs {6=[v_prenex_9], 12=[|v_#memory_$Pointer$.base_74|]} [2020-12-22 19:21:38,436 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:38,437 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 107 [2020-12-22 19:21:38,439 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 2, 1] term [2020-12-22 19:21:38,440 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 19:21:38,442 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-12-22 19:21:38,584 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2020-12-22 19:21:38,585 INFO L625 ElimStorePlain]: treesize reduction 46, result has 79.1 percent of original size [2020-12-22 19:21:38,704 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-22 19:21:38,705 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:38,712 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 202 [2020-12-22 19:21:38,721 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 2, 1] term [2020-12-22 19:21:38,721 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-22 19:21:38,723 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 19:21:38,723 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 19:21:38,724 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:21:38,725 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:21:38,725 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:21:38,726 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:21:38,728 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:21:38,728 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:21:38,730 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:21:38,731 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:21:38,732 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:21:38,733 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:21:38,735 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:21:38,735 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:21:38,736 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:21:38,737 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:21:38,738 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:21:38,746 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 3, 1] term [2020-12-22 19:21:38,746 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 19:21:38,747 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:38,913 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2020-12-22 19:21:38,914 INFO L625 ElimStorePlain]: treesize reduction 109, result has 60.4 percent of original size [2020-12-22 19:21:38,918 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2020-12-22 19:21:38,918 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:182, output treesize:166 [2020-12-22 19:21:39,135 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 10, 1] term [2020-12-22 19:21:39,135 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:39,531 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:39,663 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-22 19:21:39,664 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:39,665 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 76 treesize of output 182 [2020-12-22 19:21:39,670 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:39,874 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-12-22 19:21:39,875 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:39,875 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 99 treesize of output 279 [2020-12-22 19:21:39,882 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 19:21:39,883 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 19:21:39,883 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 19:21:39,884 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:21:39,884 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:21:39,885 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:21:39,885 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:21:39,891 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:40,085 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2020-12-22 19:21:40,086 INFO L625 ElimStorePlain]: treesize reduction 38, result has 81.3 percent of original size [2020-12-22 19:21:40,093 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-12-22 19:21:40,093 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:201, output treesize:135 [2020-12-22 19:21:42,331 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:42,347 INFO L443 ElimStorePlain]: Different costs {12=[v_prenex_13], 20=[|v_#memory_$Pointer$.base_76|]} [2020-12-22 19:21:42,462 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-12-22 19:21:42,469 INFO L348 Elim1Store]: treesize reduction 48, result has 66.2 percent of original size [2020-12-22 19:21:42,469 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 79 treesize of output 125 [2020-12-22 19:21:42,471 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 2, 1] term [2020-12-22 19:21:42,472 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 19:21:42,473 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:42,538 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:42,794 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 65 [2020-12-22 19:21:42,795 INFO L348 Elim1Store]: treesize reduction 60, result has 73.8 percent of original size [2020-12-22 19:21:42,795 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 100 treesize of output 212 [2020-12-22 19:21:42,808 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 19:21:42,809 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 19:21:42,810 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:21:42,810 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:21:42,811 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:21:42,814 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[12, 3, 2, 1] term [2020-12-22 19:21:42,814 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 19:21:42,815 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 19:21:42,818 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:21:42,819 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:21:42,819 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:21:42,820 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:21:42,824 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:21:42,958 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-12-22 19:21:42,958 INFO L625 ElimStorePlain]: treesize reduction 6, result has 96.9 percent of original size [2020-12-22 19:21:42,965 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2020-12-22 19:21:42,965 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:205, output treesize:187 [2020-12-22 19:21:43,571 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-22 19:21:43,612 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 1] term [2020-12-22 19:21:43,612 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:21:43,629 INFO L443 ElimStorePlain]: Different costs {12=[v_prenex_16], 20=[|#memory_$Pointer$.base|]} [2020-12-22 19:21:43,706 INFO L348 Elim1Store]: treesize reduction 10, result has 85.1 percent of original size [2020-12-22 19:21:43,707 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 66 treesize of output 85 [2020-12-22 19:21:43,710 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:21:43,756 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:43,933 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-12-22 19:21:43,934 INFO L348 Elim1Store]: treesize reduction 10, result has 92.2 percent of original size [2020-12-22 19:21:43,935 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 91 treesize of output 159 [2020-12-22 19:21:43,939 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 19:21:43,940 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:21:43,941 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:21:43,941 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:21:43,942 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 19:21:43,943 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:21:43,944 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:21:43,944 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 19:21:43,945 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 19:21:43,946 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:21:43,946 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 19:21:43,949 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:21:43,985 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:21:43,990 INFO L547 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-12-22 19:21:43,991 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:177, output treesize:57 [2020-12-22 19:21:44,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:21:44,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 19:21:44,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 37 [2020-12-22 19:21:44,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237275115] [2020-12-22 19:21:44,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-12-22 19:21:44,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:21:44,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-12-22 19:21:44,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=1194, Unknown=4, NotChecked=0, Total=1406 [2020-12-22 19:21:44,258 INFO L87 Difference]: Start difference. First operand 382 states and 436 transitions. Second operand 38 states. [2020-12-22 19:21:58,180 WARN L197 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-12-22 19:22:08,869 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2020-12-22 19:22:11,230 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2020-12-22 19:22:15,629 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 61 [2020-12-22 19:22:16,001 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2020-12-22 19:22:16,602 WARN L197 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 96 [2020-12-22 19:22:18,951 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-12-22 19:22:19,350 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2020-12-22 19:22:27,350 WARN L197 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2020-12-22 19:22:38,361 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2020-12-22 19:22:51,540 WARN L197 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2020-12-22 19:22:52,300 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2020-12-22 19:22:52,768 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2020-12-22 19:22:56,837 WARN L197 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 139 DAG size of output: 84 [2020-12-22 19:23:01,386 WARN L197 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-12-22 19:23:07,629 WARN L197 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-12-22 19:23:08,033 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2020-12-22 19:23:08,954 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 77 [2020-12-22 19:23:11,290 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-12-22 19:23:13,744 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2020-12-22 19:23:14,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:23:14,261 INFO L93 Difference]: Finished difference Result 716 states and 792 transitions. [2020-12-22 19:23:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-12-22 19:23:14,262 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 57 [2020-12-22 19:23:14,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:23:14,264 INFO L225 Difference]: With dead ends: 716 [2020-12-22 19:23:14,264 INFO L226 Difference]: Without dead ends: 716 [2020-12-22 19:23:14,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1193 ImplicationChecksByTransitivity, 73.7s TimeCoverageRelationStatistics Valid=894, Invalid=4195, Unknown=23, NotChecked=0, Total=5112 [2020-12-22 19:23:14,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-12-22 19:23:14,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 382. [2020-12-22 19:23:14,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-12-22 19:23:14,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 435 transitions. [2020-12-22 19:23:14,273 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 435 transitions. Word has length 57 [2020-12-22 19:23:14,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:23:14,273 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 435 transitions. [2020-12-22 19:23:14,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-12-22 19:23:14,274 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 435 transitions. [2020-12-22 19:23:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-22 19:23:14,274 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:23:14,275 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:23:14,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2020-12-22 19:23:14,488 INFO L429 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:23:14,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:23:14,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1922935184, now seen corresponding path program 1 times [2020-12-22 19:23:14,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:23:14,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389766967] [2020-12-22 19:23:14,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:23:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:23:15,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:23:15,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389766967] [2020-12-22 19:23:15,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779729242] [2020-12-22 19:23:15,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:23:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:23:15,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 58 conjunts are in the unsatisfiable core [2020-12-22 19:23:15,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 19:23:15,393 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-22 19:23:15,394 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:15,398 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:15,399 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:15,399 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-22 19:23:15,434 INFO L443 ElimStorePlain]: Different costs {0=[|v_#length_79|], 3=[|v_#valid_100|]} [2020-12-22 19:23:15,438 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-22 19:23:15,439 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:15,454 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:15,478 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:15,479 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-12-22 19:23:15,481 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:23:15,483 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:15,497 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:15,498 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:15,498 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:26 [2020-12-22 19:23:15,559 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-12-22 19:23:15,560 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:15,579 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:15,584 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-12-22 19:23:15,586 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:15,604 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:15,606 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:15,606 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:49, output treesize:50 [2020-12-22 19:23:15,745 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2020-12-22 19:23:15,747 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:15,769 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:15,797 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:15,797 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 71 [2020-12-22 19:23:15,800 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 2, 1] term [2020-12-22 19:23:15,800 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:23:15,801 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:15,822 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:15,824 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:15,824 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:76 [2020-12-22 19:23:16,049 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:16,050 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 73 [2020-12-22 19:23:16,052 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:16,157 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-22 19:23:16,158 INFO L625 ElimStorePlain]: treesize reduction 26, result has 83.5 percent of original size [2020-12-22 19:23:16,224 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:16,224 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 112 treesize of output 137 [2020-12-22 19:23:16,228 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[12, 3, 2, 1] term [2020-12-22 19:23:16,228 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 19:23:16,231 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:16,329 INFO L625 ElimStorePlain]: treesize reduction 26, result has 82.4 percent of original size [2020-12-22 19:23:16,331 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:16,331 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:148, output treesize:122 [2020-12-22 19:23:16,635 INFO L443 ElimStorePlain]: Different costs {1=[|v_#length_80|], 3=[|v_#valid_101|]} [2020-12-22 19:23:16,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:16,643 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2020-12-22 19:23:16,645 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:16,689 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:16,713 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:16,713 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 32 [2020-12-22 19:23:16,715 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 19:23:16,716 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:23:16,720 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:16,766 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:16,771 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:16,771 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:113, output treesize:105 [2020-12-22 19:23:16,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:16,910 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2020-12-22 19:23:16,911 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:16,969 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:16,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:16,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:16,990 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:16,991 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 77 [2020-12-22 19:23:16,999 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:17,052 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:17,055 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:17,055 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:127, output treesize:117 [2020-12-22 19:23:17,317 INFO L443 ElimStorePlain]: Different costs {6=[|v_#memory_$Pointer$.offset_68|], 12=[|v_#memory_$Pointer$.base_81|]} [2020-12-22 19:23:17,323 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 44 [2020-12-22 19:23:17,328 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:17,382 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:17,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:17,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:17,486 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:17,487 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 130 treesize of output 203 [2020-12-22 19:23:17,493 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 2, 1] term [2020-12-22 19:23:17,493 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-22 19:23:17,495 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:23:17,496 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 19:23:17,497 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 19:23:17,498 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 19:23:17,498 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:17,501 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 19:23:17,502 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 19:23:17,502 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:23:17,503 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:17,505 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 19:23:17,505 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 19:23:17,511 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 9, 1] term [2020-12-22 19:23:17,511 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:23:17,512 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2020-12-22 19:23:17,643 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2020-12-22 19:23:17,644 INFO L625 ElimStorePlain]: treesize reduction 116, result has 55.2 percent of original size [2020-12-22 19:23:17,647 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:17,647 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:159, output treesize:143 [2020-12-22 19:23:18,049 INFO L443 ElimStorePlain]: Different costs {12=[|v_#memory_$Pointer$.offset_69|], 20=[|v_#memory_$Pointer$.base_82|]} [2020-12-22 19:23:18,074 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:18,074 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 80 [2020-12-22 19:23:18,077 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:18,240 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-12-22 19:23:18,240 INFO L625 ElimStorePlain]: treesize reduction 20, result has 89.5 percent of original size [2020-12-22 19:23:18,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:18,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:18,426 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-22 19:23:18,427 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:18,427 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 146 treesize of output 286 [2020-12-22 19:23:18,433 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 19:23:18,434 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 19:23:18,435 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 19:23:18,435 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 19:23:18,436 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 19:23:18,437 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:18,438 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:18,443 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:18,589 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2020-12-22 19:23:18,590 INFO L625 ElimStorePlain]: treesize reduction 16, result has 90.5 percent of original size [2020-12-22 19:23:18,593 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 19:23:18,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:23:18,595 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:23:18,596 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:18,596 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:169, output treesize:123 [2020-12-22 19:23:18,794 INFO L443 ElimStorePlain]: Different costs {12=[|v_#memory_$Pointer$.offset_70|], 20=[|v_#memory_$Pointer$.base_83|]} [2020-12-22 19:23:18,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:18,801 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 58 [2020-12-22 19:23:18,803 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:18,860 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:18,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:18,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:19,072 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2020-12-22 19:23:19,072 INFO L348 Elim1Store]: treesize reduction 60, result has 70.7 percent of original size [2020-12-22 19:23:19,073 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 152 treesize of output 220 [2020-12-22 19:23:19,079 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 19:23:19,079 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 19:23:19,080 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:23:19,081 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:19,082 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[13, 3, 2, 1] term [2020-12-22 19:23:19,083 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-22 19:23:19,084 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 19:23:19,085 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 19:23:19,086 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:19,086 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:23:19,088 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:23:19,091 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:19,140 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:19,143 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:19,144 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:178, output treesize:162 [2020-12-22 19:23:19,550 INFO L443 ElimStorePlain]: Different costs {12=[|#memory_$Pointer$.offset|], 20=[|#memory_$Pointer$.base|]} [2020-12-22 19:23:19,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:19,558 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 16 [2020-12-22 19:23:19,560 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:19,596 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:19,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:19,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:19,756 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-22 19:23:19,757 INFO L348 Elim1Store]: treesize reduction 10, result has 90.7 percent of original size [2020-12-22 19:23:19,757 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 102 treesize of output 144 [2020-12-22 19:23:19,761 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:19,762 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:23:19,762 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:23:19,763 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 19:23:19,772 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:19,795 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:19,798 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:19,799 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:159, output treesize:23 [2020-12-22 19:23:20,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:23:20,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 19:23:20,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 38 [2020-12-22 19:23:20,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597433351] [2020-12-22 19:23:20,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-12-22 19:23:20,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:23:20,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-12-22 19:23:20,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=1282, Unknown=0, NotChecked=0, Total=1482 [2020-12-22 19:23:20,055 INFO L87 Difference]: Start difference. First operand 382 states and 435 transitions. Second operand 39 states. [2020-12-22 19:23:21,496 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2020-12-22 19:23:21,803 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2020-12-22 19:23:22,096 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2020-12-22 19:23:22,392 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2020-12-22 19:23:24,378 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2020-12-22 19:23:24,566 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2020-12-22 19:23:26,114 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2020-12-22 19:23:26,295 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2020-12-22 19:23:28,614 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 77 [2020-12-22 19:23:28,813 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-12-22 19:23:29,304 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2020-12-22 19:23:29,594 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2020-12-22 19:23:29,867 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2020-12-22 19:23:30,298 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2020-12-22 19:23:30,669 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2020-12-22 19:23:30,915 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2020-12-22 19:23:31,735 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2020-12-22 19:23:32,260 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2020-12-22 19:23:33,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:23:33,474 INFO L93 Difference]: Finished difference Result 770 states and 846 transitions. [2020-12-22 19:23:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-12-22 19:23:33,475 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 57 [2020-12-22 19:23:33,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:23:33,479 INFO L225 Difference]: With dead ends: 770 [2020-12-22 19:23:33,479 INFO L226 Difference]: Without dead ends: 770 [2020-12-22 19:23:33,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1530 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=981, Invalid=4568, Unknown=1, NotChecked=0, Total=5550 [2020-12-22 19:23:33,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2020-12-22 19:23:33,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 382. [2020-12-22 19:23:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-12-22 19:23:33,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 432 transitions. [2020-12-22 19:23:33,488 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 432 transitions. Word has length 57 [2020-12-22 19:23:33,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:23:33,488 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 432 transitions. [2020-12-22 19:23:33,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-12-22 19:23:33,488 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 432 transitions. [2020-12-22 19:23:33,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-22 19:23:33,489 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:23:33,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:23:33,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2020-12-22 19:23:33,702 INFO L429 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:23:33,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:23:33,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1577159246, now seen corresponding path program 1 times [2020-12-22 19:23:33,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:23:33,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20906141] [2020-12-22 19:23:33,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:23:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:23:33,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 19:23:33,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20906141] [2020-12-22 19:23:33,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:23:33,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-22 19:23:33,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110277563] [2020-12-22 19:23:33,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-22 19:23:33,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:23:33,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-22 19:23:33,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-12-22 19:23:33,946 INFO L87 Difference]: Start difference. First operand 382 states and 432 transitions. Second operand 12 states. [2020-12-22 19:23:35,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:23:35,398 INFO L93 Difference]: Finished difference Result 560 states and 632 transitions. [2020-12-22 19:23:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-22 19:23:35,398 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2020-12-22 19:23:35,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:23:35,402 INFO L225 Difference]: With dead ends: 560 [2020-12-22 19:23:35,402 INFO L226 Difference]: Without dead ends: 560 [2020-12-22 19:23:35,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2020-12-22 19:23:35,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-22 19:23:35,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 382. [2020-12-22 19:23:35,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-12-22 19:23:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 431 transitions. [2020-12-22 19:23:35,409 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 431 transitions. Word has length 59 [2020-12-22 19:23:35,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:23:35,409 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 431 transitions. [2020-12-22 19:23:35,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-22 19:23:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 431 transitions. [2020-12-22 19:23:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-22 19:23:35,410 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:23:35,410 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:23:35,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2020-12-22 19:23:35,411 INFO L429 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:23:35,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:23:35,411 INFO L82 PathProgramCache]: Analyzing trace with hash -609997204, now seen corresponding path program 1 times [2020-12-22 19:23:35,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:23:35,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59599694] [2020-12-22 19:23:35,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:23:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:23:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 19:23:35,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59599694] [2020-12-22 19:23:35,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:23:35,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 19:23:35,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851004795] [2020-12-22 19:23:35,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 19:23:35,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:23:35,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 19:23:35,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-22 19:23:35,510 INFO L87 Difference]: Start difference. First operand 382 states and 431 transitions. Second operand 7 states. [2020-12-22 19:23:35,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:23:35,972 INFO L93 Difference]: Finished difference Result 389 states and 435 transitions. [2020-12-22 19:23:35,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 19:23:35,973 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2020-12-22 19:23:35,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:23:35,975 INFO L225 Difference]: With dead ends: 389 [2020-12-22 19:23:35,976 INFO L226 Difference]: Without dead ends: 389 [2020-12-22 19:23:35,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-12-22 19:23:35,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-12-22 19:23:35,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 382. [2020-12-22 19:23:35,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-12-22 19:23:35,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 430 transitions. [2020-12-22 19:23:35,981 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 430 transitions. Word has length 59 [2020-12-22 19:23:35,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:23:35,981 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 430 transitions. [2020-12-22 19:23:35,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 19:23:35,981 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 430 transitions. [2020-12-22 19:23:35,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-22 19:23:35,982 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:23:35,982 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:23:35,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2020-12-22 19:23:35,983 INFO L429 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:23:35,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:23:35,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1104767537, now seen corresponding path program 1 times [2020-12-22 19:23:35,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:23:35,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103954212] [2020-12-22 19:23:35,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:23:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:23:36,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:23:36,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103954212] [2020-12-22 19:23:36,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000306391] [2020-12-22 19:23:36,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:23:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:23:37,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 55 conjunts are in the unsatisfiable core [2020-12-22 19:23:37,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 19:23:37,076 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-22 19:23:37,077 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:37,082 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:37,082 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:37,083 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-22 19:23:37,144 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:37,144 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-12-22 19:23:37,145 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:23:37,151 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:37,160 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:37,161 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:37,161 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:18 [2020-12-22 19:23:37,218 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-12-22 19:23:37,219 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:37,231 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:37,233 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:37,233 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:30 [2020-12-22 19:23:37,379 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:37,380 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 59 [2020-12-22 19:23:37,381 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2020-12-22 19:23:37,382 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:23:37,384 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:37,397 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:37,398 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:37,398 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:43 [2020-12-22 19:23:37,574 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_71|], 6=[|v_#memory_$Pointer$.base_86|]} [2020-12-22 19:23:37,578 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 53 [2020-12-22 19:23:37,580 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:37,602 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:37,662 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:37,662 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 154 [2020-12-22 19:23:37,665 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 2, 1] term [2020-12-22 19:23:37,665 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 19:23:37,667 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:37,722 INFO L625 ElimStorePlain]: treesize reduction 38, result has 69.1 percent of original size [2020-12-22 19:23:37,723 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:37,723 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:105, output treesize:85 [2020-12-22 19:23:37,958 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:37,959 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 32 [2020-12-22 19:23:37,960 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 19:23:37,961 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:23:37,970 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:37,992 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:37,993 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:37,993 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:83, output treesize:76 [2020-12-22 19:23:38,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:38,083 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 53 [2020-12-22 19:23:38,085 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:38,117 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:38,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:38,164 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:38,165 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 131 [2020-12-22 19:23:38,167 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:38,243 INFO L625 ElimStorePlain]: treesize reduction 66, result has 57.7 percent of original size [2020-12-22 19:23:38,245 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:38,245 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:98, output treesize:84 [2020-12-22 19:23:38,422 INFO L443 ElimStorePlain]: Different costs {6=[|v_#memory_$Pointer$.offset_73|], 12=[|v_#memory_$Pointer$.base_88|]} [2020-12-22 19:23:38,428 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 59 [2020-12-22 19:23:38,430 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:38,467 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:38,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:38,593 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-22 19:23:38,593 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:38,594 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 109 treesize of output 242 [2020-12-22 19:23:38,600 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 2, 1] term [2020-12-22 19:23:38,600 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-22 19:23:38,601 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 19:23:38,602 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 19:23:38,603 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:38,603 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:23:38,603 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:23:38,604 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 19:23:38,605 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:38,605 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:23:38,606 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:23:38,607 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:23:38,608 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:38,609 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:23:38,610 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:23:38,611 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:23:38,612 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:38,613 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:23:38,614 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:23:38,616 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 19:23:38,617 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:38,619 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:23:38,620 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:23:38,621 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 19:23:38,622 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:38,623 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:23:38,623 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:23:38,625 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:23:38,625 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:38,626 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:23:38,627 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:23:38,628 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:23:38,630 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:38,631 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:23:38,632 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:23:38,637 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 3, 1] term [2020-12-22 19:23:38,637 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 19:23:38,638 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2020-12-22 19:23:38,712 INFO L625 ElimStorePlain]: treesize reduction 129, result has 46.0 percent of original size [2020-12-22 19:23:38,714 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:38,714 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:126, output treesize:110 [2020-12-22 19:23:39,101 INFO L443 ElimStorePlain]: Different costs {12=[|v_#memory_$Pointer$.offset_74|], 20=[|v_#memory_$Pointer$.base_89|]} [2020-12-22 19:23:39,129 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:39,130 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 95 [2020-12-22 19:23:39,132 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:39,236 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2020-12-22 19:23:39,237 INFO L625 ElimStorePlain]: treesize reduction 20, result has 87.3 percent of original size [2020-12-22 19:23:39,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:39,453 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-22 19:23:39,453 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:39,454 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 125 treesize of output 331 [2020-12-22 19:23:39,463 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-22 19:23:39,464 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 19:23:39,464 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 19:23:39,465 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 19:23:39,466 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:23:39,467 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:23:39,468 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:23:39,469 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:23:39,472 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:23:39,473 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:23:39,473 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:23:39,475 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:23:39,476 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 19:23:39,478 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 19:23:39,478 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:23:39,479 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:23:39,480 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:23:39,482 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:23:39,483 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 19:23:39,484 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:23:39,484 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:23:39,486 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:23:39,491 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:39,596 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2020-12-22 19:23:39,596 INFO L625 ElimStorePlain]: treesize reduction 16, result has 88.6 percent of original size [2020-12-22 19:23:39,599 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:23:39,600 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:23:39,601 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:39,602 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:136, output treesize:94 [2020-12-22 19:23:39,776 INFO L443 ElimStorePlain]: Different costs {12=[|v_#memory_$Pointer$.offset_75|], 20=[|v_#memory_$Pointer$.base_90|]} [2020-12-22 19:23:39,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:39,782 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2020-12-22 19:23:39,784 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:39,828 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:39,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:40,096 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2020-12-22 19:23:40,098 INFO L348 Elim1Store]: treesize reduction 66, result has 74.7 percent of original size [2020-12-22 19:23:40,099 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 131 treesize of output 259 [2020-12-22 19:23:40,103 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 19:23:40,104 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:40,105 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:40,105 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:23:40,105 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:23:40,106 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:23:40,107 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 19:23:40,107 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:23:40,109 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[13, 3, 2, 1] term [2020-12-22 19:23:40,109 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-22 19:23:40,110 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 19:23:40,110 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 19:23:40,110 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:40,111 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:23:40,112 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:23:40,117 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:40,155 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:40,158 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:40,158 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:145, output treesize:129 [2020-12-22 19:23:40,857 INFO L443 ElimStorePlain]: Different costs {12=[|#memory_$Pointer$.offset|], 20=[|#memory_$Pointer$.base|]} [2020-12-22 19:23:40,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:40,863 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 44 [2020-12-22 19:23:40,866 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:40,889 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:40,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:41,068 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-22 19:23:41,069 INFO L348 Elim1Store]: treesize reduction 10, result has 91.2 percent of original size [2020-12-22 19:23:41,069 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 75 treesize of output 133 [2020-12-22 19:23:41,073 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:23:41,074 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:23:41,074 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:23:41,075 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 19:23:41,075 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 19:23:41,077 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 19:23:41,078 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 19:23:41,080 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 19:23:41,080 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 19:23:41,082 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:41,089 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:41,091 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:41,091 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:148, output treesize:7 [2020-12-22 19:23:41,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:23:41,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 19:23:41,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23] total 40 [2020-12-22 19:23:41,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943916945] [2020-12-22 19:23:41,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-12-22 19:23:41,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:23:41,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-12-22 19:23:41,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1394, Unknown=0, NotChecked=0, Total=1560 [2020-12-22 19:23:41,162 INFO L87 Difference]: Start difference. First operand 382 states and 430 transitions. Second operand 40 states. [2020-12-22 19:23:43,126 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2020-12-22 19:23:43,493 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 62 [2020-12-22 19:23:43,916 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-12-22 19:23:44,286 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2020-12-22 19:23:44,637 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2020-12-22 19:23:46,820 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 89 [2020-12-22 19:23:47,252 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-12-22 19:23:47,586 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2020-12-22 19:23:48,678 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2020-12-22 19:23:49,691 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2020-12-22 19:23:49,961 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2020-12-22 19:23:50,924 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 98 [2020-12-22 19:23:51,320 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 98 [2020-12-22 19:23:51,769 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 110 [2020-12-22 19:23:52,350 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 108 [2020-12-22 19:23:52,707 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 102 [2020-12-22 19:23:53,325 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2020-12-22 19:23:53,721 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 96 [2020-12-22 19:23:54,797 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 108 [2020-12-22 19:23:55,565 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2020-12-22 19:23:57,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:23:57,128 INFO L93 Difference]: Finished difference Result 794 states and 870 transitions. [2020-12-22 19:23:57,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-12-22 19:23:57,129 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 59 [2020-12-22 19:23:57,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:23:57,131 INFO L225 Difference]: With dead ends: 794 [2020-12-22 19:23:57,132 INFO L226 Difference]: Without dead ends: 794 [2020-12-22 19:23:57,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1345 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=1001, Invalid=5319, Unknown=0, NotChecked=0, Total=6320 [2020-12-22 19:23:57,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2020-12-22 19:23:57,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 382. [2020-12-22 19:23:57,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-12-22 19:23:57,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 429 transitions. [2020-12-22 19:23:57,139 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 429 transitions. Word has length 59 [2020-12-22 19:23:57,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:23:57,139 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 429 transitions. [2020-12-22 19:23:57,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-12-22 19:23:57,140 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 429 transitions. [2020-12-22 19:23:57,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-22 19:23:57,140 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:23:57,141 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:23:57,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:23:57,355 INFO L429 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 19:23:57,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:23:57,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1012593699, now seen corresponding path program 1 times [2020-12-22 19:23:57,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:23:57,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385010087] [2020-12-22 19:23:57,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:23:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:23:58,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:23:58,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385010087] [2020-12-22 19:23:58,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968557402] [2020-12-22 19:23:58,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:23:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:23:58,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 55 conjunts are in the unsatisfiable core [2020-12-22 19:23:58,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 19:23:58,171 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-22 19:23:58,172 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:58,178 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:58,179 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:58,179 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-22 19:23:58,374 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:58,374 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-12-22 19:23:58,376 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:23:58,378 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:58,399 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:58,400 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:58,401 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:30 [2020-12-22 19:23:58,484 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 19:23:58,485 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:58,538 INFO L625 ElimStorePlain]: treesize reduction 5, result has 90.0 percent of original size [2020-12-22 19:23:58,544 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 19:23:58,546 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:58,570 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:58,571 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:58,571 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:54, output treesize:42 [2020-12-22 19:23:58,749 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2020-12-22 19:23:58,751 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:58,785 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:58,817 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:58,817 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 66 [2020-12-22 19:23:58,820 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2020-12-22 19:23:58,820 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 19:23:58,827 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-12-22 19:23:58,890 INFO L625 ElimStorePlain]: treesize reduction 42, result has 61.8 percent of original size [2020-12-22 19:23:58,891 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:58,892 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:84, output treesize:68 [2020-12-22 19:23:59,315 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:59,316 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 119 [2020-12-22 19:23:59,320 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:59,423 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-12-22 19:23:59,424 INFO L625 ElimStorePlain]: treesize reduction 16, result has 83.3 percent of original size [2020-12-22 19:23:59,449 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:59,450 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 52 [2020-12-22 19:23:59,452 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:59,554 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-22 19:23:59,555 INFO L625 ElimStorePlain]: treesize reduction 22, result has 77.6 percent of original size [2020-12-22 19:23:59,558 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:23:59,558 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:23:59,558 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:94, output treesize:76 [2020-12-22 19:23:59,559 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:23:59,761 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:59,761 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-12-22 19:23:59,763 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 19:23:59,764 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 19:23:59,766 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:59,797 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:59,799 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:23:59,799 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:50 [2020-12-22 19:23:59,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:59,905 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2020-12-22 19:23:59,906 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:23:59,951 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:23:59,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:23:59,958 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2020-12-22 19:23:59,960 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:24:00,003 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:24:00,005 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:24:00,006 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:83, output treesize:69 [2020-12-22 19:24:00,233 INFO L443 ElimStorePlain]: Different costs {6=[|v_#memory_$Pointer$.offset_80|], 12=[|v_#memory_$Pointer$.base_95|]} [2020-12-22 19:24:00,242 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2020-12-22 19:24:00,244 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:24:00,288 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:24:00,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:24:00,376 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:24:00,376 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 133 [2020-12-22 19:24:00,380 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 2, 1] term [2020-12-22 19:24:00,381 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-22 19:24:00,382 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:24:00,427 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:24:00,428 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 19:24:00,429 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:115, output treesize:95 [2020-12-22 19:24:00,703 INFO L443 ElimStorePlain]: Different costs {12=[|v_#memory_$Pointer$.offset_81|], 20=[|v_#memory_$Pointer$.base_96|]} [2020-12-22 19:24:00,732 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:24:00,732 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 94 [2020-12-22 19:24:00,735 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:24:00,874 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-22 19:24:00,875 INFO L625 ElimStorePlain]: treesize reduction 30, result has 85.4 percent of original size [2020-12-22 19:24:00,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:24:00,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:24:01,053 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-22 19:24:01,054 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:24:01,055 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 160 treesize of output 254 [2020-12-22 19:24:01,061 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[15, 3, 2, 1] term [2020-12-22 19:24:01,061 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-22 19:24:01,062 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 18 disjuncts [2020-12-22 19:24:01,063 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 17 disjuncts [2020-12-22 19:24:01,063 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 17 disjuncts [2020-12-22 19:24:01,064 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-22 19:24:01,065 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2020-12-22 19:24:01,066 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2020-12-22 19:24:01,067 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 16 disjuncts [2020-12-22 19:24:01,068 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2020-12-22 19:24:01,069 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-22 19:24:01,070 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-22 19:24:01,072 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 16 disjuncts [2020-12-22 19:24:01,072 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-22 19:24:01,073 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-22 19:24:01,074 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2020-12-22 19:24:01,103 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2020-12-22 19:24:01,390 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-12-22 19:24:01,391 INFO L625 ElimStorePlain]: treesize reduction 776, result has 17.3 percent of original size [2020-12-22 19:24:01,395 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-22 19:24:01,396 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:190, output treesize:162 [2020-12-22 19:24:05,936 INFO L443 ElimStorePlain]: Different costs {20=[|#memory_$Pointer$.offset|], 30=[|#memory_$Pointer$.base|]} [2020-12-22 19:24:05,944 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 19:24:05,952 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:24:05,953 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 26 [2020-12-22 19:24:05,955 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:24:06,049 INFO L625 ElimStorePlain]: treesize reduction 3, result has 97.6 percent of original size [2020-12-22 19:24:06,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:24:06,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:24:06,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:24:06,060 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 19:24:06,203 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-22 19:24:06,204 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:24:06,204 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 106 treesize of output 183 [2020-12-22 19:24:06,210 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 19:24:06,211 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 19:24:06,212 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 19:24:06,212 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:24:06,213 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 19:24:06,213 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 19:24:06,215 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 19:24:06,215 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 19:24:06,216 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 19:24:06,221 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 19:24:06,222 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 19:24:06,224 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 19:24:06,226 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:24:06,244 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:24:06,247 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:24:06,247 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:182, output treesize:9 [2020-12-22 19:24:06,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:06,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 19:24:06,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20] total 37 [2020-12-22 19:24:06,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688610382] [2020-12-22 19:24:06,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-12-22 19:24:06,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:06,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-12-22 19:24:06,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1266, Unknown=2, NotChecked=0, Total=1406 [2020-12-22 19:24:06,448 INFO L87 Difference]: Start difference. First operand 382 states and 429 transitions. Second operand 38 states. [2020-12-22 19:24:07,529 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-12-22 19:24:07,780 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2020-12-22 19:24:07,960 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-22 19:24:08,240 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2020-12-22 19:24:09,105 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 47 [2020-12-22 19:24:11,608 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2020-12-22 19:24:16,011 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-12-22 19:24:20,395 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 61 [2020-12-22 19:24:24,684 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2020-12-22 19:24:29,151 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 66