/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:39:33,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:39:33,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:39:33,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 13:39:33,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 13:39:33,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 13:39:33,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 13:39:33,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 13:39:33,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 13:39:33,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 13:39:33,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 13:39:33,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 13:39:33,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:39:33,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:39:33,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:39:33,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:39:33,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:39:33,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:39:33,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:39:33,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:39:33,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:39:33,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:39:33,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:39:33,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:39:33,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 13:39:33,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 13:39:33,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 13:39:33,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 13:39:33,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 13:39:33,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 13:39:33,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 13:39:33,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 13:39:33,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 13:39:33,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 13:39:33,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 13:39:33,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 13:39:33,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 13:39:33,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 13:39:33,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:39:33,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:39:33,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:39:33,584 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 13:39:33,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:39:33,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:39:33,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:39:33,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:39:33,626 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:39:33,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:39:33,626 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:39:33,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:39:33,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:39:33,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:39:33,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:39:33,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:39:33,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:39:33,628 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:39:33,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:39:33,628 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:39:33,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:39:33,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:39:33,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:39:33,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:39:33,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:39:33,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:39:33,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:39:33,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:39:33,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:39:33,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:39:33,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:39:33,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:39:33,631 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:39:34,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:39:34,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:39:34,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:39:34,047 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:39:34,048 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:39:34,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-01-2.i [2021-02-23 13:39:34,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4b29907/452282428dca491a85c532eb3c328f23/FLAG697398bf0 [2021-02-23 13:39:34,917 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:39:34,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i [2021-02-23 13:39:34,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4b29907/452282428dca491a85c532eb3c328f23/FLAG697398bf0 [2021-02-23 13:39:35,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4b29907/452282428dca491a85c532eb3c328f23 [2021-02-23 13:39:35,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:39:35,184 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:39:35,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:39:35,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:39:35,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:39:35,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:39:35" (1/1) ... [2021-02-23 13:39:35,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61584ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:35, skipping insertion in model container [2021-02-23 13:39:35,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:39:35" (1/1) ... [2021-02-23 13:39:35,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:39:35,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:39:35,536 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[22034,22047] [2021-02-23 13:39:35,557 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[22307,22320] [2021-02-23 13:39:35,563 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[22516,22529] [2021-02-23 13:39:35,566 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[22586,22599] [2021-02-23 13:39:35,572 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[22853,22866] [2021-02-23 13:39:35,574 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[22961,22974] [2021-02-23 13:39:35,579 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[23192,23205] [2021-02-23 13:39:35,580 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[23272,23285] [2021-02-23 13:39:35,583 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[23351,23364] [2021-02-23 13:39:35,590 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[23484,23497] [2021-02-23 13:39:35,592 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[23662,23675] [2021-02-23 13:39:35,593 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[23740,23753] [2021-02-23 13:39:35,594 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[23817,23830] [2021-02-23 13:39:35,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:39:35,615 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:39:35,682 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[22034,22047] [2021-02-23 13:39:35,686 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[22307,22320] [2021-02-23 13:39:35,695 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[22516,22529] [2021-02-23 13:39:35,696 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[22586,22599] [2021-02-23 13:39:35,701 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[22853,22866] [2021-02-23 13:39:35,702 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[22961,22974] [2021-02-23 13:39:35,709 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[23192,23205] [2021-02-23 13:39:35,710 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[23272,23285] [2021-02-23 13:39:35,711 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[23351,23364] [2021-02-23 13:39:35,712 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[23484,23497] [2021-02-23 13:39:35,713 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[23662,23675] [2021-02-23 13:39:35,714 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[23740,23753] [2021-02-23 13:39:35,715 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i[23817,23830] [2021-02-23 13:39:35,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:39:35,780 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:39:35,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:35 WrapperNode [2021-02-23 13:39:35,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:39:35,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:39:35,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:39:35,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:39:35,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:35" (1/1) ... [2021-02-23 13:39:35,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:35" (1/1) ... [2021-02-23 13:39:35,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:35" (1/1) ... [2021-02-23 13:39:35,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:35" (1/1) ... [2021-02-23 13:39:35,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:35" (1/1) ... [2021-02-23 13:39:35,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:35" (1/1) ... [2021-02-23 13:39:35,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:35" (1/1) ... [2021-02-23 13:39:35,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:39:35,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:39:35,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:39:35,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:39:35,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:35" (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 [2021-02-23 13:39:36,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:39:36,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:39:36,037 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:39:36,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:39:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-23 13:39:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-23 13:39:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-23 13:39:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-23 13:39:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-23 13:39:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-23 13:39:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-23 13:39:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-23 13:39:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-23 13:39:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-23 13:39:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-23 13:39:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-23 13:39:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-23 13:39:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-23 13:39:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-23 13:39:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-23 13:39:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-23 13:39:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-23 13:39:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-23 13:39:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-23 13:39:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-23 13:39:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-23 13:39:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-23 13:39:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-23 13:39:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-23 13:39:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-23 13:39:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-23 13:39:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-23 13:39:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-23 13:39:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-23 13:39:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-23 13:39:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-23 13:39:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-23 13:39:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-23 13:39:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-23 13:39:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-23 13:39:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-23 13:39:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-23 13:39:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-23 13:39:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-23 13:39:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-23 13:39:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-23 13:39:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-23 13:39:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-23 13:39:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-23 13:39:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-23 13:39:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-23 13:39:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-23 13:39:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-23 13:39:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-23 13:39:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 13:39:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 13:39:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-23 13:39:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 13:39:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-23 13:39:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-23 13:39:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-23 13:39:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-23 13:39:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-23 13:39:36,047 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:39:36,047 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-23 13:39:36,047 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-23 13:39:36,047 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-23 13:39:36,047 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 13:39:36,047 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-23 13:39:36,047 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-23 13:39:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-23 13:39:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-23 13:39:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-23 13:39:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-23 13:39:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-23 13:39:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-23 13:39:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-23 13:39:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-23 13:39:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-23 13:39:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-23 13:39:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-23 13:39:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-23 13:39:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-23 13:39:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-23 13:39:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-23 13:39:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-23 13:39:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-23 13:39:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-23 13:39:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-23 13:39:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-23 13:39:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-23 13:39:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-23 13:39:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-23 13:39:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-23 13:39:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-23 13:39:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-23 13:39:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-23 13:39:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-23 13:39:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-23 13:39:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-23 13:39:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-23 13:39:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-23 13:39:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-23 13:39:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-23 13:39:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-23 13:39:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-23 13:39:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-23 13:39:36,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 13:39:36,053 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:39:36,053 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 13:39:36,053 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 13:39:36,053 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:39:36,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:39:36,054 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:39:36,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 13:39:36,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 13:39:36,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 13:39:36,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:39:36,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:39:36,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:39:36,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:39:36,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:39:36,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:39:36,754 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:39:36,758 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-02-23 13:39:36,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:39:36 BoogieIcfgContainer [2021-02-23 13:39:36,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:39:36,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:39:36,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:39:36,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:39:36,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:39:35" (1/3) ... [2021-02-23 13:39:36,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d41f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:39:36, skipping insertion in model container [2021-02-23 13:39:36,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:35" (2/3) ... [2021-02-23 13:39:36,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d41f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:39:36, skipping insertion in model container [2021-02-23 13:39:36,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:39:36" (3/3) ... [2021-02-23 13:39:36,774 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-01-2.i [2021-02-23 13:39:36,781 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:39:36,786 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2021-02-23 13:39:36,806 INFO L253 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-02-23 13:39:36,856 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:39:36,856 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:39:36,857 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:39:36,858 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:39:36,858 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:39:36,859 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:39:36,859 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:39:36,859 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:39:36,894 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2021-02-23 13:39:36,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-02-23 13:39:36,904 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:36,905 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:39:36,906 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:36,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:36,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1450606226, now seen corresponding path program 1 times [2021-02-23 13:39:36,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:36,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075558988] [2021-02-23 13:39:36,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:37,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:37,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:37,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:37,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:39:37,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:37,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:37,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:37,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:37,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:37,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075558988] [2021-02-23 13:39:37,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:37,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:39:37,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797033211] [2021-02-23 13:39:37,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:39:37,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:37,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:39:37,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:37,332 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 4 states. [2021-02-23 13:39:37,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:37,684 INFO L93 Difference]: Finished difference Result 188 states and 306 transitions. [2021-02-23 13:39:37,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:39:37,686 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2021-02-23 13:39:37,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:37,700 INFO L225 Difference]: With dead ends: 188 [2021-02-23 13:39:37,700 INFO L226 Difference]: Without dead ends: 100 [2021-02-23 13:39:37,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:37,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-02-23 13:39:37,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 82. [2021-02-23 13:39:37,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-02-23 13:39:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2021-02-23 13:39:37,753 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 8 [2021-02-23 13:39:37,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:37,753 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2021-02-23 13:39:37,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:39:37,754 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2021-02-23 13:39:37,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-02-23 13:39:37,755 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:37,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:39:37,755 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:39:37,755 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:37,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:37,756 INFO L82 PathProgramCache]: Analyzing trace with hash -437763586, now seen corresponding path program 1 times [2021-02-23 13:39:37,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:37,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442768119] [2021-02-23 13:39:37,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:37,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:37,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:37,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:37,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:37,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:37,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:37,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:37,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:37,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:37,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:37,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442768119] [2021-02-23 13:39:37,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:37,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:39:37,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760517285] [2021-02-23 13:39:37,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:39:37,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:37,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:39:37,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:37,848 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 4 states. [2021-02-23 13:39:38,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:38,019 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2021-02-23 13:39:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:39:38,020 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2021-02-23 13:39:38,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:38,022 INFO L225 Difference]: With dead ends: 85 [2021-02-23 13:39:38,022 INFO L226 Difference]: Without dead ends: 83 [2021-02-23 13:39:38,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:38,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-02-23 13:39:38,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-02-23 13:39:38,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2021-02-23 13:39:38,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 93 transitions. [2021-02-23 13:39:38,034 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 93 transitions. Word has length 14 [2021-02-23 13:39:38,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:38,034 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 93 transitions. [2021-02-23 13:39:38,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:39:38,035 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2021-02-23 13:39:38,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-02-23 13:39:38,035 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:38,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:39:38,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 13:39:38,036 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:38,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:38,037 INFO L82 PathProgramCache]: Analyzing trace with hash -437761664, now seen corresponding path program 1 times [2021-02-23 13:39:38,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:38,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619501470] [2021-02-23 13:39:38,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:38,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:38,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:38,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:38,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:38,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:38,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:38,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:38,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619501470] [2021-02-23 13:39:38,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:38,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 13:39:38,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764366472] [2021-02-23 13:39:38,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 13:39:38,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:38,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 13:39:38,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:39:38,133 INFO L87 Difference]: Start difference. First operand 83 states and 93 transitions. Second operand 5 states. [2021-02-23 13:39:38,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:38,305 INFO L93 Difference]: Finished difference Result 84 states and 94 transitions. [2021-02-23 13:39:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 13:39:38,306 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2021-02-23 13:39:38,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:38,307 INFO L225 Difference]: With dead ends: 84 [2021-02-23 13:39:38,307 INFO L226 Difference]: Without dead ends: 82 [2021-02-23 13:39:38,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:39:38,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-02-23 13:39:38,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2021-02-23 13:39:38,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2021-02-23 13:39:38,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2021-02-23 13:39:38,316 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 14 [2021-02-23 13:39:38,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:38,316 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2021-02-23 13:39:38,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 13:39:38,317 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2021-02-23 13:39:38,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-02-23 13:39:38,318 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:38,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:39:38,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 13:39:38,318 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:38,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:38,319 INFO L82 PathProgramCache]: Analyzing trace with hash 175092992, now seen corresponding path program 1 times [2021-02-23 13:39:38,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:38,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630327560] [2021-02-23 13:39:38,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:38,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:38,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:39:38,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:38,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:38,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:38,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:38,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630327560] [2021-02-23 13:39:38,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:38,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:39:38,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741323079] [2021-02-23 13:39:38,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:39:38,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:38,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:39:38,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:38,392 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand 4 states. [2021-02-23 13:39:38,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:38,570 INFO L93 Difference]: Finished difference Result 83 states and 94 transitions. [2021-02-23 13:39:38,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:39:38,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2021-02-23 13:39:38,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:38,572 INFO L225 Difference]: With dead ends: 83 [2021-02-23 13:39:38,572 INFO L226 Difference]: Without dead ends: 79 [2021-02-23 13:39:38,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:38,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-02-23 13:39:38,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2021-02-23 13:39:38,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-23 13:39:38,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2021-02-23 13:39:38,580 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 19 [2021-02-23 13:39:38,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:38,581 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2021-02-23 13:39:38,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:39:38,581 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2021-02-23 13:39:38,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-02-23 13:39:38,582 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:38,582 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] [2021-02-23 13:39:38,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 13:39:38,582 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:38,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:38,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1132919663, now seen corresponding path program 1 times [2021-02-23 13:39:38,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:38,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621891950] [2021-02-23 13:39:38,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:38,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:38,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:39:38,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:39:38,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:38,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:38,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:38,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621891950] [2021-02-23 13:39:38,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:38,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 13:39:38,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132882716] [2021-02-23 13:39:38,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 13:39:38,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:38,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 13:39:38,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:39:38,662 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 5 states. [2021-02-23 13:39:38,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:38,866 INFO L93 Difference]: Finished difference Result 136 states and 152 transitions. [2021-02-23 13:39:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 13:39:38,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2021-02-23 13:39:38,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:38,868 INFO L225 Difference]: With dead ends: 136 [2021-02-23 13:39:38,868 INFO L226 Difference]: Without dead ends: 116 [2021-02-23 13:39:38,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:39:38,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-02-23 13:39:38,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 75. [2021-02-23 13:39:38,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2021-02-23 13:39:38,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2021-02-23 13:39:38,876 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 20 [2021-02-23 13:39:38,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:38,877 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2021-02-23 13:39:38,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 13:39:38,877 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2021-02-23 13:39:38,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-02-23 13:39:38,878 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:38,878 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] [2021-02-23 13:39:38,878 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 13:39:38,879 INFO L428 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:38,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:38,879 INFO L82 PathProgramCache]: Analyzing trace with hash -281978662, now seen corresponding path program 1 times [2021-02-23 13:39:38,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:38,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845567253] [2021-02-23 13:39:38,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:38,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:38,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:39:38,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:38,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:38,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:38,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:38,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:38,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845567253] [2021-02-23 13:39:38,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:38,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:39:38,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952963636] [2021-02-23 13:39:38,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:39:38,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:38,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:39:38,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:38,946 INFO L87 Difference]: Start difference. First operand 75 states and 85 transitions. Second operand 4 states. [2021-02-23 13:39:39,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:39,088 INFO L93 Difference]: Finished difference Result 141 states and 161 transitions. [2021-02-23 13:39:39,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:39:39,089 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2021-02-23 13:39:39,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:39,090 INFO L225 Difference]: With dead ends: 141 [2021-02-23 13:39:39,090 INFO L226 Difference]: Without dead ends: 99 [2021-02-23 13:39:39,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:39,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-02-23 13:39:39,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78. [2021-02-23 13:39:39,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2021-02-23 13:39:39,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2021-02-23 13:39:39,098 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 24 [2021-02-23 13:39:39,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:39,098 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2021-02-23 13:39:39,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:39:39,099 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2021-02-23 13:39:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-02-23 13:39:39,100 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:39,100 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] [2021-02-23 13:39:39,100 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 13:39:39,100 INFO L428 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:39,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:39,101 INFO L82 PathProgramCache]: Analyzing trace with hash -151414377, now seen corresponding path program 1 times [2021-02-23 13:39:39,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:39,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442883446] [2021-02-23 13:39:39,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:39,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:39,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:39:39,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:39,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:39,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:39,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442883446] [2021-02-23 13:39:39,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:39,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:39:39,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129494352] [2021-02-23 13:39:39,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:39:39,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:39,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:39:39,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:39,166 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand 4 states. [2021-02-23 13:39:39,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:39,312 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2021-02-23 13:39:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:39:39,313 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2021-02-23 13:39:39,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:39,314 INFO L225 Difference]: With dead ends: 78 [2021-02-23 13:39:39,314 INFO L226 Difference]: Without dead ends: 76 [2021-02-23 13:39:39,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:39,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-02-23 13:39:39,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-02-23 13:39:39,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-23 13:39:39,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 87 transitions. [2021-02-23 13:39:39,320 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 87 transitions. Word has length 25 [2021-02-23 13:39:39,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:39,321 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 87 transitions. [2021-02-23 13:39:39,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:39:39,321 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2021-02-23 13:39:39,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-23 13:39:39,322 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:39,322 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] [2021-02-23 13:39:39,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 13:39:39,322 INFO L428 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:39,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:39,323 INFO L82 PathProgramCache]: Analyzing trace with hash -995895282, now seen corresponding path program 1 times [2021-02-23 13:39:39,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:39,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949536402] [2021-02-23 13:39:39,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:39,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:39,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:39,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:39,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:39,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:39,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949536402] [2021-02-23 13:39:39,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:39,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:39:39,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661294771] [2021-02-23 13:39:39,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:39:39,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:39,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:39:39,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:39,388 INFO L87 Difference]: Start difference. First operand 76 states and 87 transitions. Second operand 4 states. [2021-02-23 13:39:39,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:39,521 INFO L93 Difference]: Finished difference Result 79 states and 90 transitions. [2021-02-23 13:39:39,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:39:39,521 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2021-02-23 13:39:39,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:39,522 INFO L225 Difference]: With dead ends: 79 [2021-02-23 13:39:39,522 INFO L226 Difference]: Without dead ends: 77 [2021-02-23 13:39:39,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:39,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-02-23 13:39:39,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-02-23 13:39:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-02-23 13:39:39,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2021-02-23 13:39:39,528 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 27 [2021-02-23 13:39:39,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:39,528 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2021-02-23 13:39:39,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:39:39,529 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2021-02-23 13:39:39,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-23 13:39:39,530 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:39,530 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] [2021-02-23 13:39:39,530 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 13:39:39,530 INFO L428 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:39,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:39,531 INFO L82 PathProgramCache]: Analyzing trace with hash -995893360, now seen corresponding path program 1 times [2021-02-23 13:39:39,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:39,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529023855] [2021-02-23 13:39:39,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:39,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:39,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:39,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:39,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:39,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:39,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:39,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529023855] [2021-02-23 13:39:39,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:39,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 13:39:39,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694823282] [2021-02-23 13:39:39,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 13:39:39,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:39,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 13:39:39,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:39:39,612 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 5 states. [2021-02-23 13:39:39,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:39,762 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2021-02-23 13:39:39,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 13:39:39,762 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-02-23 13:39:39,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:39,763 INFO L225 Difference]: With dead ends: 78 [2021-02-23 13:39:39,763 INFO L226 Difference]: Without dead ends: 76 [2021-02-23 13:39:39,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:39:39,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-02-23 13:39:39,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2021-02-23 13:39:39,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2021-02-23 13:39:39,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 85 transitions. [2021-02-23 13:39:39,768 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 85 transitions. Word has length 27 [2021-02-23 13:39:39,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:39,769 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 85 transitions. [2021-02-23 13:39:39,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 13:39:39,769 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2021-02-23 13:39:39,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-23 13:39:39,770 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:39,770 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] [2021-02-23 13:39:39,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 13:39:39,770 INFO L428 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:39,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:39,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1065943089, now seen corresponding path program 1 times [2021-02-23 13:39:39,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:39,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219466763] [2021-02-23 13:39:39,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:39,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:39,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:39:39,876 WARN L141 QuantifierPusher]: treesize reduction 10, result has 81.1 percent of original size [2021-02-23 13:39:39,877 WARN L147 QuantifierPusher]: treesize reduction 10, result has 81.1 percent of original size 43 [2021-02-23 13:39:39,892 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size [2021-02-23 13:39:39,893 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size 39 [2021-02-23 13:39:39,909 WARN L141 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-02-23 13:39:39,910 WARN L147 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size 22 [2021-02-23 13:39:39,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:39,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:39,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:39,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:39,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:39,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:39,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219466763] [2021-02-23 13:39:39,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:39,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 13:39:39,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497682590] [2021-02-23 13:39:39,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 13:39:39,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:39,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 13:39:39,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-02-23 13:39:39,983 INFO L87 Difference]: Start difference. First operand 74 states and 85 transitions. Second operand 8 states. [2021-02-23 13:39:40,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:40,634 INFO L93 Difference]: Finished difference Result 230 states and 258 transitions. [2021-02-23 13:39:40,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 13:39:40,634 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2021-02-23 13:39:40,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:40,638 INFO L225 Difference]: With dead ends: 230 [2021-02-23 13:39:40,638 INFO L226 Difference]: Without dead ends: 228 [2021-02-23 13:39:40,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-02-23 13:39:40,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-02-23 13:39:40,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 91. [2021-02-23 13:39:40,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-02-23 13:39:40,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2021-02-23 13:39:40,647 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 28 [2021-02-23 13:39:40,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:40,647 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2021-02-23 13:39:40,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 13:39:40,648 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2021-02-23 13:39:40,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-23 13:39:40,649 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:40,649 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] [2021-02-23 13:39:40,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 13:39:40,649 INFO L428 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:40,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:40,650 INFO L82 PathProgramCache]: Analyzing trace with hash 623000653, now seen corresponding path program 1 times [2021-02-23 13:39:40,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:40,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538721481] [2021-02-23 13:39:40,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:40,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:40,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:40,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:40,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 13:39:40,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:40,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-02-23 13:39:40,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:40,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:40,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:40,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:40,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:40,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:40,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538721481] [2021-02-23 13:39:40,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:40,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 13:39:40,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128205696] [2021-02-23 13:39:40,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 13:39:40,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:40,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 13:39:40,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:39:40,715 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand 5 states. [2021-02-23 13:39:41,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:41,018 INFO L93 Difference]: Finished difference Result 202 states and 232 transitions. [2021-02-23 13:39:41,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 13:39:41,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-02-23 13:39:41,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:41,019 INFO L225 Difference]: With dead ends: 202 [2021-02-23 13:39:41,020 INFO L226 Difference]: Without dead ends: 140 [2021-02-23 13:39:41,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:39:41,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-02-23 13:39:41,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 91. [2021-02-23 13:39:41,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-02-23 13:39:41,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 104 transitions. [2021-02-23 13:39:41,027 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 104 transitions. Word has length 28 [2021-02-23 13:39:41,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:41,027 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 104 transitions. [2021-02-23 13:39:41,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 13:39:41,028 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2021-02-23 13:39:41,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-23 13:39:41,029 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:41,029 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] [2021-02-23 13:39:41,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 13:39:41,029 INFO L428 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:41,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:41,030 INFO L82 PathProgramCache]: Analyzing trace with hash -965347249, now seen corresponding path program 1 times [2021-02-23 13:39:41,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:41,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209870245] [2021-02-23 13:39:41,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:41,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:41,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:41,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 13:39:41,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 13:39:41,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:41,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:41,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:41,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:41,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:41,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209870245] [2021-02-23 13:39:41,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:41,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 13:39:41,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217569894] [2021-02-23 13:39:41,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 13:39:41,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:41,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 13:39:41,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-23 13:39:41,161 INFO L87 Difference]: Start difference. First operand 91 states and 104 transitions. Second operand 7 states. [2021-02-23 13:39:41,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:41,522 INFO L93 Difference]: Finished difference Result 209 states and 240 transitions. [2021-02-23 13:39:41,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 13:39:41,523 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2021-02-23 13:39:41,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:41,524 INFO L225 Difference]: With dead ends: 209 [2021-02-23 13:39:41,524 INFO L226 Difference]: Without dead ends: 161 [2021-02-23 13:39:41,525 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-02-23 13:39:41,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-02-23 13:39:41,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 98. [2021-02-23 13:39:41,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2021-02-23 13:39:41,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 112 transitions. [2021-02-23 13:39:41,532 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 112 transitions. Word has length 28 [2021-02-23 13:39:41,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:41,532 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 112 transitions. [2021-02-23 13:39:41,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 13:39:41,533 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 112 transitions. [2021-02-23 13:39:41,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-23 13:39:41,534 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:41,534 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] [2021-02-23 13:39:41,534 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-23 13:39:41,534 INFO L428 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:41,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:41,535 INFO L82 PathProgramCache]: Analyzing trace with hash 260555071, now seen corresponding path program 1 times [2021-02-23 13:39:41,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:41,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939992467] [2021-02-23 13:39:41,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:41,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:41,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:39:41,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:41,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:41,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:41,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 13:39:41,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939992467] [2021-02-23 13:39:41,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:41,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:39:41,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021990612] [2021-02-23 13:39:41,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:39:41,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:41,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:39:41,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:41,592 INFO L87 Difference]: Start difference. First operand 98 states and 112 transitions. Second operand 4 states. [2021-02-23 13:39:41,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:41,740 INFO L93 Difference]: Finished difference Result 98 states and 112 transitions. [2021-02-23 13:39:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:39:41,741 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2021-02-23 13:39:41,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:41,746 INFO L225 Difference]: With dead ends: 98 [2021-02-23 13:39:41,746 INFO L226 Difference]: Without dead ends: 96 [2021-02-23 13:39:41,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:41,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-02-23 13:39:41,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-02-23 13:39:41,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2021-02-23 13:39:41,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2021-02-23 13:39:41,764 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 30 [2021-02-23 13:39:41,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:41,765 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2021-02-23 13:39:41,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:39:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2021-02-23 13:39:41,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-02-23 13:39:41,769 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:41,770 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] [2021-02-23 13:39:41,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-23 13:39:41,770 INFO L428 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:41,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:41,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1481741417, now seen corresponding path program 1 times [2021-02-23 13:39:41,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:41,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670498269] [2021-02-23 13:39:41,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:41,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:41,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:39:41,902 WARN L141 QuantifierPusher]: treesize reduction 15, result has 72.2 percent of original size [2021-02-23 13:39:41,902 WARN L147 QuantifierPusher]: treesize reduction 15, result has 72.2 percent of original size 39 [2021-02-23 13:39:41,920 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size [2021-02-23 13:39:41,921 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size 39 [2021-02-23 13:39:41,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:41,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:41,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:41,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:41,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:41,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:42,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670498269] [2021-02-23 13:39:42,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:42,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 13:39:42,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81077759] [2021-02-23 13:39:42,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 13:39:42,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:42,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 13:39:42,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-02-23 13:39:42,003 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 8 states. [2021-02-23 13:39:42,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:42,589 INFO L93 Difference]: Finished difference Result 229 states and 257 transitions. [2021-02-23 13:39:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 13:39:42,589 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2021-02-23 13:39:42,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:42,591 INFO L225 Difference]: With dead ends: 229 [2021-02-23 13:39:42,591 INFO L226 Difference]: Without dead ends: 227 [2021-02-23 13:39:42,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-02-23 13:39:42,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-02-23 13:39:42,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 99. [2021-02-23 13:39:42,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2021-02-23 13:39:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2021-02-23 13:39:42,599 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 31 [2021-02-23 13:39:42,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:42,599 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2021-02-23 13:39:42,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 13:39:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2021-02-23 13:39:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-23 13:39:42,600 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:42,600 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] [2021-02-23 13:39:42,600 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-23 13:39:42,600 INFO L428 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:42,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:42,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1194412935, now seen corresponding path program 1 times [2021-02-23 13:39:42,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:42,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055050139] [2021-02-23 13:39:42,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:42,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:42,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:42,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:42,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 13:39:42,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:42,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:42,653 WARN L141 QuantifierPusher]: treesize reduction 4, result has 96.1 percent of original size [2021-02-23 13:39:42,656 WARN L147 QuantifierPusher]: treesize reduction 4, result has 96.1 percent of original size 99 [2021-02-23 13:39:42,712 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size [2021-02-23 13:39:42,714 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size 87 [2021-02-23 13:39:42,762 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-02-23 13:39:42,764 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size 79 [2021-02-23 13:39:42,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:42,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:42,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:42,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:42,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:42,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:42,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055050139] [2021-02-23 13:39:42,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:42,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 13:39:42,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661619031] [2021-02-23 13:39:42,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 13:39:42,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:42,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 13:39:42,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 13:39:42,801 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 7 states. [2021-02-23 13:39:43,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:43,157 INFO L93 Difference]: Finished difference Result 204 states and 233 transitions. [2021-02-23 13:39:43,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 13:39:43,157 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2021-02-23 13:39:43,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:43,159 INFO L225 Difference]: With dead ends: 204 [2021-02-23 13:39:43,159 INFO L226 Difference]: Without dead ends: 163 [2021-02-23 13:39:43,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-02-23 13:39:43,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-02-23 13:39:43,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 99. [2021-02-23 13:39:43,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2021-02-23 13:39:43,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2021-02-23 13:39:43,167 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 33 [2021-02-23 13:39:43,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:43,167 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2021-02-23 13:39:43,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 13:39:43,167 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2021-02-23 13:39:43,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-23 13:39:43,168 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:43,168 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] [2021-02-23 13:39:43,168 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-23 13:39:43,168 INFO L428 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:43,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:43,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1413267653, now seen corresponding path program 1 times [2021-02-23 13:39:43,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:43,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067991007] [2021-02-23 13:39:43,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:43,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:43,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:43,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 13:39:43,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:43,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:43,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:43,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 13:39:43,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067991007] [2021-02-23 13:39:43,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:43,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 13:39:43,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232218963] [2021-02-23 13:39:43,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 13:39:43,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:43,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 13:39:43,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:39:43,254 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 6 states. [2021-02-23 13:39:43,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:43,540 INFO L93 Difference]: Finished difference Result 144 states and 164 transitions. [2021-02-23 13:39:43,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 13:39:43,540 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2021-02-23 13:39:43,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:43,543 INFO L225 Difference]: With dead ends: 144 [2021-02-23 13:39:43,543 INFO L226 Difference]: Without dead ends: 128 [2021-02-23 13:39:43,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-02-23 13:39:43,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-02-23 13:39:43,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 120. [2021-02-23 13:39:43,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2021-02-23 13:39:43,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2021-02-23 13:39:43,553 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 33 [2021-02-23 13:39:43,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:43,553 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2021-02-23 13:39:43,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 13:39:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2021-02-23 13:39:43,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-23 13:39:43,554 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:43,554 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] [2021-02-23 13:39:43,554 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-02-23 13:39:43,554 INFO L428 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:43,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:43,555 INFO L82 PathProgramCache]: Analyzing trace with hash 925603427, now seen corresponding path program 1 times [2021-02-23 13:39:43,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:43,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544070311] [2021-02-23 13:39:43,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:43,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:43,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 13:39:43,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:39:43,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:43,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:43,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:43,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 13:39:43,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544070311] [2021-02-23 13:39:43,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:43,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 13:39:43,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116540440] [2021-02-23 13:39:43,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 13:39:43,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:43,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 13:39:43,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:39:43,625 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 6 states. [2021-02-23 13:39:43,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:43,924 INFO L93 Difference]: Finished difference Result 272 states and 319 transitions. [2021-02-23 13:39:43,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 13:39:43,925 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2021-02-23 13:39:43,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:43,926 INFO L225 Difference]: With dead ends: 272 [2021-02-23 13:39:43,926 INFO L226 Difference]: Without dead ends: 184 [2021-02-23 13:39:43,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-02-23 13:39:43,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2021-02-23 13:39:43,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 120. [2021-02-23 13:39:43,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2021-02-23 13:39:43,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2021-02-23 13:39:43,938 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 33 [2021-02-23 13:39:43,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:43,938 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2021-02-23 13:39:43,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 13:39:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2021-02-23 13:39:43,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-23 13:39:43,939 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:43,939 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] [2021-02-23 13:39:43,939 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-02-23 13:39:43,939 INFO L428 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:43,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:43,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1059616933, now seen corresponding path program 1 times [2021-02-23 13:39:43,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:43,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200622742] [2021-02-23 13:39:43,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:43,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:43,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 13:39:43,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:43,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:43,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:43,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:43,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:44,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:44,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200622742] [2021-02-23 13:39:44,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481063607] [2021-02-23 13:39:44,021 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 [2021-02-23 13:39:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:44,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 17 conjunts are in the unsatisfiable core [2021-02-23 13:39:44,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-23 13:39:44,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:44,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:44,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-23 13:39:44,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:44,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:44,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-23 13:39:44,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:44,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:44,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-23 13:39:44,325 INFO L388 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 [2021-02-23 13:39:44,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:44,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:44,332 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-23 13:39:44,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,357 INFO L388 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 [2021-02-23 13:39:44,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:44,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:44,362 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-23 13:39:44,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:44,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-23 13:39:44,380 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2021-02-23 13:39:44,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:44,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:44,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:44,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:44,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:44,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:44,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:44,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:44,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:44,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:44,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:44,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:44,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:44,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:39:44,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:44,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:44,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-23 13:39:44,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:44,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:44,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-02-23 13:39:44,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:44,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:44,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-02-23 13:39:44,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-23 13:39:44,478 INFO L388 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 [2021-02-23 13:39:44,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:44,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 13:39:44,481 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-23 13:39:44,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-23 13:39:44,498 INFO L388 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 [2021-02-23 13:39:44,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:44,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 13:39:44,503 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-23 13:39:44,513 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,515 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-23 13:39:44,516 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2021-02-23 13:39:44,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-02-23 13:39:44,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-23 13:39:44,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 13:39:44,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-23 13:39:44,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-02-23 13:39:44,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-23 13:39:44,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-23 13:39:44,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 13:39:44,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 13:39:44,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 13:39:44,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 13:39:44,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:44,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-23 13:39:44,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-23 13:39:44,675 INFO L388 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-02-23 13:39:44,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:44,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:39:44,678 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-23 13:39:44,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,689 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,690 INFO L388 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2021-02-23 13:39:44,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:44,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:39:44,693 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-23 13:39:44,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:44,698 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-23 13:39:44,698 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:7 [2021-02-23 13:39:44,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:44,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:44,701 WARN L141 QuantifierPusher]: treesize reduction 15, result has 6.3 percent of original size [2021-02-23 13:39:44,701 WARN L147 QuantifierPusher]: treesize reduction 15, result has 6.3 percent of original size 1 [2021-02-23 13:39:44,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:44,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:44,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:44,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-23 13:39:44,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-02-23 13:39:44,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578895416] [2021-02-23 13:39:44,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 13:39:44,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:44,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 13:39:44,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-02-23 13:39:44,726 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 9 states. [2021-02-23 13:39:45,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:45,229 INFO L93 Difference]: Finished difference Result 207 states and 239 transitions. [2021-02-23 13:39:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 13:39:45,229 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2021-02-23 13:39:45,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:45,231 INFO L225 Difference]: With dead ends: 207 [2021-02-23 13:39:45,231 INFO L226 Difference]: Without dead ends: 145 [2021-02-23 13:39:45,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-02-23 13:39:45,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-02-23 13:39:45,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 121. [2021-02-23 13:39:45,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2021-02-23 13:39:45,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2021-02-23 13:39:45,243 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 33 [2021-02-23 13:39:45,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:45,243 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2021-02-23 13:39:45,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 13:39:45,244 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2021-02-23 13:39:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-02-23 13:39:45,244 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:45,245 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] [2021-02-23 13:39:45,458 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-02-23 13:39:45,459 INFO L428 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:45,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:45,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1603435294, now seen corresponding path program 1 times [2021-02-23 13:39:45,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:45,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36831331] [2021-02-23 13:39:45,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:45,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:45,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:45,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:45,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 13:39:45,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:45,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:45,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:45,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:45,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:45,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:45,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36831331] [2021-02-23 13:39:45,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:39:45,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:39:45,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672454491] [2021-02-23 13:39:45,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:39:45,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:45,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:39:45,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:45,532 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 4 states. [2021-02-23 13:39:45,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:45,705 INFO L93 Difference]: Finished difference Result 230 states and 272 transitions. [2021-02-23 13:39:45,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:39:45,705 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2021-02-23 13:39:45,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:45,706 INFO L225 Difference]: With dead ends: 230 [2021-02-23 13:39:45,706 INFO L226 Difference]: Without dead ends: 173 [2021-02-23 13:39:45,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:39:45,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-02-23 13:39:45,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 146. [2021-02-23 13:39:45,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2021-02-23 13:39:45,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 170 transitions. [2021-02-23 13:39:45,722 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 170 transitions. Word has length 36 [2021-02-23 13:39:45,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:45,723 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 170 transitions. [2021-02-23 13:39:45,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:39:45,723 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 170 transitions. [2021-02-23 13:39:45,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-02-23 13:39:45,724 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:45,724 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] [2021-02-23 13:39:45,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-02-23 13:39:45,726 INFO L428 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:45,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:45,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1800177525, now seen corresponding path program 1 times [2021-02-23 13:39:45,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:45,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191678486] [2021-02-23 13:39:45,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:45,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:45,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:45,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:45,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-02-23 13:39:45,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:45,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:45,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:45,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:45,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:45,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:45,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:45,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:45,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:39:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:45,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:45,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:45,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:39:45,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191678486] [2021-02-23 13:39:45,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107415759] [2021-02-23 13:39:45,881 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 [2021-02-23 13:39:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:39:46,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 13 conjunts are in the unsatisfiable core [2021-02-23 13:39:46,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-23 13:39:46,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:46,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:46,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-23 13:39:46,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:46,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:46,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 13:39:46,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:46,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:46,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 13:39:46,067 INFO L388 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 [2021-02-23 13:39:46,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:46,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:46,069 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-23 13:39:46,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,076 INFO L388 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 [2021-02-23 13:39:46,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:46,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:46,078 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-23 13:39:46,083 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:46,084 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-23 13:39:46,084 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2021-02-23 13:39:46,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:46,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:46,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:46,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:46,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:46,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:46,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:46,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:46,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:46,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:46,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:46,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:46,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:46,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:39:46,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:46,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:46,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-02-23 13:39:46,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:46,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:46,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-23 13:39:46,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:46,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:46,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-23 13:39:46,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-23 13:39:46,122 INFO L388 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 [2021-02-23 13:39:46,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:46,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 13:39:46,125 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-23 13:39:46,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-23 13:39:46,143 INFO L388 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 [2021-02-23 13:39:46,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:39:46,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 13:39:46,148 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-23 13:39:46,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,158 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-23 13:39:46,158 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2021-02-23 13:39:46,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 13:39:46,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-23 13:39:46,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-23 13:39:46,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-23 13:39:46,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-23 13:39:46,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-23 13:39:46,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 13:39:46,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-23 13:39:46,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 13:39:46,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:39:46,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-23 13:39:46,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-02-23 13:39:46,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-23 13:39:46,317 INFO L388 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2021-02-23 13:39:46,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:46,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:39:46,320 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-23 13:39:46,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,333 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-02-23 13:39:46,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 10 [2021-02-23 13:39:46,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:39:46,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:39:46,338 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-23 13:39:46,342 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:46,343 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-23 13:39:46,343 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:47, output treesize:7 [2021-02-23 13:39:46,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:46,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:39:46,346 WARN L141 QuantifierPusher]: treesize reduction 15, result has 6.3 percent of original size [2021-02-23 13:39:46,346 WARN L147 QuantifierPusher]: treesize reduction 15, result has 6.3 percent of original size 1 [2021-02-23 13:39:46,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:39:46,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:39:46,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 13:39:46,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-23 13:39:46,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2021-02-23 13:39:46,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79800121] [2021-02-23 13:39:46,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 13:39:46,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:39:46,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 13:39:46,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-23 13:39:46,368 INFO L87 Difference]: Start difference. First operand 146 states and 170 transitions. Second operand 8 states. [2021-02-23 13:39:46,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:39:46,881 INFO L93 Difference]: Finished difference Result 260 states and 298 transitions. [2021-02-23 13:39:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 13:39:46,882 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2021-02-23 13:39:46,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:39:46,883 INFO L225 Difference]: With dead ends: 260 [2021-02-23 13:39:46,884 INFO L226 Difference]: Without dead ends: 228 [2021-02-23 13:39:46,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-02-23 13:39:46,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-02-23 13:39:46,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 175. [2021-02-23 13:39:46,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2021-02-23 13:39:46,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 210 transitions. [2021-02-23 13:39:46,897 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 210 transitions. Word has length 36 [2021-02-23 13:39:46,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:39:46,897 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 210 transitions. [2021-02-23 13:39:46,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 13:39:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 210 transitions. [2021-02-23 13:39:46,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-02-23 13:39:46,898 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:46,898 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:39:47,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-23 13:39:47,110 INFO L428 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:47,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:47,111 INFO L82 PathProgramCache]: Analyzing trace with hash -23129775, now seen corresponding path program 1 times [2021-02-23 13:39:47,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:47,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997258164] [2021-02-23 13:39:47,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:39:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:39:47,129 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:39:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:39:47,144 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:39:47,173 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-23 13:39:47,173 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 13:39:47,173 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-02-23 13:39:47,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:39:47 BoogieIcfgContainer [2021-02-23 13:39:47,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:39:47,217 INFO L168 Benchmark]: Toolchain (without parser) took 12045.78 ms. Allocated memory was 155.2 MB in the beginning and 294.6 MB in the end (delta: 139.5 MB). Free memory was 129.9 MB in the beginning and 181.4 MB in the end (delta: -51.5 MB). Peak memory consumption was 89.0 MB. Max. memory is 8.0 GB. [2021-02-23 13:39:47,217 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 155.2 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:39:47,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.59 ms. Allocated memory is still 155.2 MB. Free memory was 128.8 MB in the beginning and 104.4 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-02-23 13:39:47,217 INFO L168 Benchmark]: Boogie Preprocessor took 131.99 ms. Allocated memory is still 155.2 MB. Free memory was 104.3 MB in the beginning and 137.9 MB in the end (delta: -33.6 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB. [2021-02-23 13:39:47,217 INFO L168 Benchmark]: RCFGBuilder took 846.10 ms. Allocated memory is still 155.2 MB. Free memory was 137.9 MB in the beginning and 82.1 MB in the end (delta: 55.8 MB). Peak memory consumption was 54.5 MB. Max. memory is 8.0 GB. [2021-02-23 13:39:47,218 INFO L168 Benchmark]: TraceAbstraction took 10452.16 ms. Allocated memory was 155.2 MB in the beginning and 294.6 MB in the end (delta: 139.5 MB). Free memory was 82.1 MB in the beginning and 181.4 MB in the end (delta: -99.3 MB). Peak memory consumption was 41.2 MB. Max. memory is 8.0 GB. [2021-02-23 13:39:47,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 155.2 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 594.59 ms. Allocated memory is still 155.2 MB. Free memory was 128.8 MB in the beginning and 104.4 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 131.99 ms. Allocated memory is still 155.2 MB. Free memory was 104.3 MB in the beginning and 137.9 MB in the end (delta: -33.6 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 846.10 ms. Allocated memory is still 155.2 MB. Free memory was 137.9 MB in the beginning and 82.1 MB in the end (delta: 55.8 MB). Peak memory consumption was 54.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10452.16 ms. Allocated memory was 155.2 MB in the beginning and 294.6 MB in the end (delta: 139.5 MB). Free memory was 82.1 MB in the beginning and 181.4 MB in the end (delta: -99.3 MB). Peak memory consumption was 41.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1036]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1002] SLL* list = malloc(sizeof(SLL)); [L1003] list->next = ((void*)0) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L1004] COND FALSE !(!(list != ((void*)0))) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L1004] COND FALSE !(__VERIFIER_nondet_int()) [L1004] list->inner = malloc(sizeof(SLL)) [L1004] EXPR list->inner [L1004] list->inner->next = ((void*)0) [L1004] EXPR list->inner [L1004] list->inner->inner = ((void*)0) [L1004] EXPR list->inner [L1004] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, list->inner != ((void*)0) || list->inner == ((void*)0)=1, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1004] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L1006] SLL* end = list; VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1009] COND FALSE !(__VERIFIER_nondet_int()) [L1019] end = ((void*)0) [L1020] end = list VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1023] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1025] COND TRUE ((void*)0) != end [L1027] int len = 0; [L1028] EXPR end->inner [L1028] SLL* inner = end->inner; [L1029] COND TRUE ((void*)0) != inner VAL [end={-1:0}, inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1031] COND TRUE len == 0 [L1032] len = 1 VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1035] COND FALSE !(!(((void*)0) != inner)) VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1036] EXPR inner->inner VAL [end={-1:0}, inner={-2:0}, inner->inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1036] COND FALSE !(!(((void*)0) == inner->inner)) [L1037] EXPR inner->next VAL [end={-1:0}, inner={-2:0}, inner->next={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1037] COND FALSE !(!(((void*)0) == inner->next)) [L1038] EXPR inner->inner [L1038] inner = inner->inner [L1039] COND TRUE len == 1 [L1040] EXPR inner->inner [L1040] inner = inner->inner [L1029] COND TRUE ((void*)0) != inner VAL [end={-1:0}, inner={56:-7}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1031] COND FALSE !(len == 0) [L1034] len = 2 VAL [end={-1:0}, inner={56:-7}, len=2, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1035] COND FALSE !(!(((void*)0) != inner)) VAL [end={-1:0}, inner={56:-7}, len=2, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1036] EXPR inner->inner VAL [end={-1:0}, inner={56:-7}, inner->inner={61:60}, len=2, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1036] COND TRUE !(((void*)0) == inner->inner) [L1036] reach_error() VAL [end={-1:0}, inner={56:-7}, len=2, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 92 locations, 13 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.3s, OverallIterations: 21, TraceHistogramMax: 2, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1618 SDtfs, 1798 SDslu, 2606 SDs, 0 SdLazy, 3312 SolverSat, 164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 704 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 636 NumberOfCodeBlocks, 636 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 574 ConstructedInterpolants, 0 QuantifiedInterpolants, 156628 SizeOfPredicates, 9 NumberOfNonLiveVariables, 324 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 22 InterpolantComputations, 18 PerfectInterpolantSequences, 11/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...