/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-b7b32d2 [2021-02-21 16:13:38,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 16:13:38,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 16:13:38,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 16:13:38,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 16:13:38,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 16:13:38,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 16:13:38,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 16:13:38,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 16:13:38,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 16:13:38,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 16:13:38,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 16:13:38,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 16:13:38,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 16:13:38,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 16:13:38,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 16:13:38,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 16:13:38,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 16:13:38,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 16:13:38,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 16:13:38,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 16:13:38,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 16:13:38,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 16:13:38,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 16:13:38,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 16:13:38,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 16:13:38,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 16:13:38,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 16:13:38,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 16:13:38,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 16:13:38,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 16:13:38,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 16:13:38,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 16:13:38,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 16:13:38,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 16:13:38,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 16:13:38,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 16:13:38,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 16:13:38,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 16:13:38,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 16:13:38,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 16:13:38,263 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 [2021-02-21 16:13:38,318 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 16:13:38,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 16:13:38,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 16:13:38,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 16:13:38,323 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 16:13:38,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 16:13:38,324 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 16:13:38,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 16:13:38,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 16:13:38,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 16:13:38,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 16:13:38,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 16:13:38,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 16:13:38,326 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 16:13:38,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 16:13:38,327 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 16:13:38,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 16:13:38,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 16:13:38,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 16:13:38,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 16:13:38,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:13:38,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 16:13:38,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 16:13:38,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 16:13:38,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 16:13:38,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 16:13:38,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 16:13:38,330 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 16:13:38,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 16:13:38,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 16:13:38,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 16:13:38,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 16:13:38,838 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 16:13:38,839 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 16:13:38,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-01-2.i [2021-02-21 16:13:38,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb845ed39/51471a71bd45494da81074eddfacf03b/FLAG38f66f102 [2021-02-21 16:13:39,764 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 16:13:39,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i [2021-02-21 16:13:39,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb845ed39/51471a71bd45494da81074eddfacf03b/FLAG38f66f102 [2021-02-21 16:13:40,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb845ed39/51471a71bd45494da81074eddfacf03b [2021-02-21 16:13:40,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 16:13:40,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 16:13:40,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 16:13:40,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 16:13:40,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 16:13:40,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:13:40" (1/1) ... [2021-02-21 16:13:40,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d15170c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:40, skipping insertion in model container [2021-02-21 16:13:40,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:13:40" (1/1) ... [2021-02-21 16:13:40,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 16:13:40,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 16:13:40,536 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] [2021-02-21 16:13:40,543 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] [2021-02-21 16:13:40,545 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] [2021-02-21 16:13:40,546 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] [2021-02-21 16:13:40,549 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] [2021-02-21 16:13:40,550 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] [2021-02-21 16:13:40,552 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] [2021-02-21 16:13:40,553 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] [2021-02-21 16:13:40,554 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] [2021-02-21 16:13:40,556 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] [2021-02-21 16:13:40,558 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] [2021-02-21 16:13:40,559 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] [2021-02-21 16:13:40,559 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] [2021-02-21 16:13:40,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:13:40,574 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 16:13:40,631 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] [2021-02-21 16:13:40,640 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] [2021-02-21 16:13:40,644 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] [2021-02-21 16:13:40,645 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] [2021-02-21 16:13:40,650 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] [2021-02-21 16:13:40,652 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] [2021-02-21 16:13:40,655 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] [2021-02-21 16:13:40,658 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] [2021-02-21 16:13:40,659 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] [2021-02-21 16:13:40,661 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] [2021-02-21 16:13:40,662 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] [2021-02-21 16:13:40,664 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] [2021-02-21 16:13:40,665 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] [2021-02-21 16:13:40,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:13:40,760 INFO L208 MainTranslator]: Completed translation [2021-02-21 16:13:40,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:40 WrapperNode [2021-02-21 16:13:40,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 16:13:40,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 16:13:40,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 16:13:40,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 16:13:40,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:40" (1/1) ... [2021-02-21 16:13:40,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:40" (1/1) ... [2021-02-21 16:13:40,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:40" (1/1) ... [2021-02-21 16:13:40,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:40" (1/1) ... [2021-02-21 16:13:40,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:40" (1/1) ... [2021-02-21 16:13:40,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:40" (1/1) ... [2021-02-21 16:13:40,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:40" (1/1) ... [2021-02-21 16:13:40,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 16:13:40,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 16:13:40,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 16:13:40,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 16:13:40,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:40" (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 [2021-02-21 16:13:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 16:13:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 16:13:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 16:13:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 16:13:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-21 16:13:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-21 16:13:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-21 16:13:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-21 16:13:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-21 16:13:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-21 16:13:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-21 16:13:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-21 16:13:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-21 16:13:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-21 16:13:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-21 16:13:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-21 16:13:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-21 16:13:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-21 16:13:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-21 16:13:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-21 16:13:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-21 16:13:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-21 16:13:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-21 16:13:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-21 16:13:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-21 16:13:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-21 16:13:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-21 16:13:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-21 16:13:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-21 16:13:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-21 16:13:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-21 16:13:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-21 16:13:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-21 16:13:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-21 16:13:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-21 16:13:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-21 16:13:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-21 16:13:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-21 16:13:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-21 16:13:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-21 16:13:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-21 16:13:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-21 16:13:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-21 16:13:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-21 16:13:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-21 16:13:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-21 16:13:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-21 16:13:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-21 16:13:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-21 16:13:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-21 16:13:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-21 16:13:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-21 16:13:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-21 16:13:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-21 16:13:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 16:13:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-21 16:13:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-21 16:13:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 16:13:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-21 16:13:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-21 16:13:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-21 16:13:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-21 16:13:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-21 16:13:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 16:13:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-21 16:13:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-21 16:13:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-21 16:13:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-21 16:13:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-21 16:13:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-21 16:13:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-21 16:13:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-21 16:13:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-21 16:13:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-21 16:13:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-21 16:13:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-21 16:13:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-21 16:13:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-21 16:13:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-21 16:13:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-21 16:13:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-21 16:13:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-21 16:13:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-21 16:13:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-21 16:13:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-21 16:13:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-21 16:13:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-21 16:13:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-21 16:13:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-21 16:13:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-21 16:13:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-21 16:13:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-21 16:13:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-21 16:13:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-21 16:13:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-21 16:13:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-21 16:13:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-21 16:13:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-21 16:13:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-21 16:13:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-21 16:13:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-21 16:13:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-21 16:13:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-21 16:13:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-21 16:13:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-21 16:13:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-21 16:13:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-21 16:13:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 16:13:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 16:13:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 16:13:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 16:13:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 16:13:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 16:13:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 16:13:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 16:13:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 16:13:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 16:13:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 16:13:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 16:13:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 16:13:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 16:13:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 16:13:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 16:13:41,775 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 16:13:41,775 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-02-21 16:13:41,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:13:41 BoogieIcfgContainer [2021-02-21 16:13:41,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 16:13:41,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 16:13:41,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 16:13:41,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 16:13:41,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 04:13:40" (1/3) ... [2021-02-21 16:13:41,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11aa233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:13:41, skipping insertion in model container [2021-02-21 16:13:41,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:40" (2/3) ... [2021-02-21 16:13:41,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11aa233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:13:41, skipping insertion in model container [2021-02-21 16:13:41,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:13:41" (3/3) ... [2021-02-21 16:13:41,787 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-01-2.i [2021-02-21 16:13:41,794 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 16:13:41,799 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2021-02-21 16:13:41,821 INFO L253 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-02-21 16:13:41,850 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 16:13:41,851 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 16:13:41,851 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 16:13:41,851 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 16:13:41,851 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 16:13:41,851 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 16:13:41,851 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 16:13:41,852 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 16:13:41,876 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2021-02-21 16:13:41,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-02-21 16:13:41,882 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:41,883 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:13:41,883 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]=== [2021-02-21 16:13:41,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:41,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1450606226, now seen corresponding path program 1 times [2021-02-21 16:13:41,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:41,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132040518] [2021-02-21 16:13:41,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:42,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:42,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:42,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:42,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:13:42,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:42,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:42,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:42,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:42,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:42,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132040518] [2021-02-21 16:13:42,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:42,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 16:13:42,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095664782] [2021-02-21 16:13:42,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 16:13:42,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:42,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 16:13:42,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 16:13:42,194 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 4 states. [2021-02-21 16:13:42,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:42,482 INFO L93 Difference]: Finished difference Result 188 states and 306 transitions. [2021-02-21 16:13:42,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 16:13:42,483 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2021-02-21 16:13:42,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:42,494 INFO L225 Difference]: With dead ends: 188 [2021-02-21 16:13:42,494 INFO L226 Difference]: Without dead ends: 100 [2021-02-21 16:13:42,498 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 [2021-02-21 16:13:42,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-02-21 16:13:42,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 82. [2021-02-21 16:13:42,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-02-21 16:13:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2021-02-21 16:13:42,544 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 8 [2021-02-21 16:13:42,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:42,545 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2021-02-21 16:13:42,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 16:13:42,545 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2021-02-21 16:13:42,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-02-21 16:13:42,546 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:42,546 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:13:42,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 16:13:42,547 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]=== [2021-02-21 16:13:42,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:42,548 INFO L82 PathProgramCache]: Analyzing trace with hash -437763586, now seen corresponding path program 1 times [2021-02-21 16:13:42,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:42,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206320649] [2021-02-21 16:13:42,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:42,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:42,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:42,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:42,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:42,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:42,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:42,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:42,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:42,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:42,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206320649] [2021-02-21 16:13:42,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:42,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 16:13:42,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633148168] [2021-02-21 16:13:42,644 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 16:13:42,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:42,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 16:13:42,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 16:13:42,645 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 4 states. [2021-02-21 16:13:42,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:42,854 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2021-02-21 16:13:42,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 16:13:42,855 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2021-02-21 16:13:42,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:42,860 INFO L225 Difference]: With dead ends: 85 [2021-02-21 16:13:42,860 INFO L226 Difference]: Without dead ends: 83 [2021-02-21 16:13:42,861 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 [2021-02-21 16:13:42,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-02-21 16:13:42,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-02-21 16:13:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2021-02-21 16:13:42,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 93 transitions. [2021-02-21 16:13:42,893 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 93 transitions. Word has length 14 [2021-02-21 16:13:42,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:42,894 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 93 transitions. [2021-02-21 16:13:42,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 16:13:42,897 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2021-02-21 16:13:42,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-02-21 16:13:42,897 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:42,898 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:13:42,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 16:13:42,898 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]=== [2021-02-21 16:13:42,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:42,903 INFO L82 PathProgramCache]: Analyzing trace with hash -437761664, now seen corresponding path program 1 times [2021-02-21 16:13:42,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:42,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109120015] [2021-02-21 16:13:42,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:42,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:42,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:42,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:42,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:42,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:42,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:42,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:42,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:43,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:43,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:43,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:43,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109120015] [2021-02-21 16:13:43,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:43,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 16:13:43,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552849334] [2021-02-21 16:13:43,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 16:13:43,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:43,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 16:13:43,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 16:13:43,045 INFO L87 Difference]: Start difference. First operand 83 states and 93 transitions. Second operand 5 states. [2021-02-21 16:13:43,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:43,267 INFO L93 Difference]: Finished difference Result 84 states and 94 transitions. [2021-02-21 16:13:43,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 16:13:43,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2021-02-21 16:13:43,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:43,269 INFO L225 Difference]: With dead ends: 84 [2021-02-21 16:13:43,269 INFO L226 Difference]: Without dead ends: 82 [2021-02-21 16:13:43,270 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 [2021-02-21 16:13:43,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-02-21 16:13:43,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2021-02-21 16:13:43,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2021-02-21 16:13:43,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2021-02-21 16:13:43,279 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 14 [2021-02-21 16:13:43,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:43,279 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2021-02-21 16:13:43,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 16:13:43,280 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2021-02-21 16:13:43,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-02-21 16:13:43,280 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:43,281 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:13:43,281 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 16:13:43,281 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]=== [2021-02-21 16:13:43,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:43,282 INFO L82 PathProgramCache]: Analyzing trace with hash 175092992, now seen corresponding path program 1 times [2021-02-21 16:13:43,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:43,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486908103] [2021-02-21 16:13:43,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:43,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:43,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:43,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:43,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:13:43,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:43,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:43,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:43,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:43,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:43,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:43,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486908103] [2021-02-21 16:13:43,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:43,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 16:13:43,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075481234] [2021-02-21 16:13:43,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 16:13:43,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:43,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 16:13:43,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 16:13:43,369 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand 4 states. [2021-02-21 16:13:43,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:43,536 INFO L93 Difference]: Finished difference Result 83 states and 94 transitions. [2021-02-21 16:13:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 16:13:43,537 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2021-02-21 16:13:43,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:43,538 INFO L225 Difference]: With dead ends: 83 [2021-02-21 16:13:43,538 INFO L226 Difference]: Without dead ends: 79 [2021-02-21 16:13:43,539 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 [2021-02-21 16:13:43,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-02-21 16:13:43,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2021-02-21 16:13:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-21 16:13:43,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2021-02-21 16:13:43,547 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 19 [2021-02-21 16:13:43,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:43,547 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2021-02-21 16:13:43,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 16:13:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2021-02-21 16:13:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-02-21 16:13:43,548 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:43,548 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] [2021-02-21 16:13:43,549 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 16:13:43,549 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]=== [2021-02-21 16:13:43,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:43,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1132919663, now seen corresponding path program 1 times [2021-02-21 16:13:43,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:43,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902102870] [2021-02-21 16:13:43,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:43,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:43,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:43,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:43,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:13:43,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:43,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:13:43,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:43,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:43,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:43,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:43,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:43,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902102870] [2021-02-21 16:13:43,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:43,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 16:13:43,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035657390] [2021-02-21 16:13:43,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 16:13:43,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:43,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 16:13:43,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-21 16:13:43,635 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 5 states. [2021-02-21 16:13:43,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:43,825 INFO L93 Difference]: Finished difference Result 136 states and 152 transitions. [2021-02-21 16:13:43,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 16:13:43,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2021-02-21 16:13:43,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:43,827 INFO L225 Difference]: With dead ends: 136 [2021-02-21 16:13:43,827 INFO L226 Difference]: Without dead ends: 116 [2021-02-21 16:13:43,828 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 [2021-02-21 16:13:43,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-02-21 16:13:43,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 75. [2021-02-21 16:13:43,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2021-02-21 16:13:43,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2021-02-21 16:13:43,835 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 20 [2021-02-21 16:13:43,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:43,836 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2021-02-21 16:13:43,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 16:13:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2021-02-21 16:13:43,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-02-21 16:13:43,837 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:43,837 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] [2021-02-21 16:13:43,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 16:13:43,837 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]=== [2021-02-21 16:13:43,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:43,838 INFO L82 PathProgramCache]: Analyzing trace with hash -281978662, now seen corresponding path program 1 times [2021-02-21 16:13:43,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:43,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201402977] [2021-02-21 16:13:43,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:43,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:43,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:43,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:43,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:13:43,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:43,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:43,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:43,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:43,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:43,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:43,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201402977] [2021-02-21 16:13:43,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:43,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 16:13:43,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133539010] [2021-02-21 16:13:43,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 16:13:43,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:43,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 16:13:43,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 16:13:43,936 INFO L87 Difference]: Start difference. First operand 75 states and 85 transitions. Second operand 4 states. [2021-02-21 16:13:44,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:44,103 INFO L93 Difference]: Finished difference Result 141 states and 161 transitions. [2021-02-21 16:13:44,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 16:13:44,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2021-02-21 16:13:44,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:44,106 INFO L225 Difference]: With dead ends: 141 [2021-02-21 16:13:44,106 INFO L226 Difference]: Without dead ends: 99 [2021-02-21 16:13:44,107 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 [2021-02-21 16:13:44,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-02-21 16:13:44,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78. [2021-02-21 16:13:44,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2021-02-21 16:13:44,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2021-02-21 16:13:44,116 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 24 [2021-02-21 16:13:44,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:44,118 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2021-02-21 16:13:44,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 16:13:44,118 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2021-02-21 16:13:44,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-02-21 16:13:44,119 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:44,119 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] [2021-02-21 16:13:44,119 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-21 16:13:44,120 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]=== [2021-02-21 16:13:44,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:44,120 INFO L82 PathProgramCache]: Analyzing trace with hash -151414377, now seen corresponding path program 1 times [2021-02-21 16:13:44,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:44,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922690680] [2021-02-21 16:13:44,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:44,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:44,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:44,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:44,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:13:44,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:44,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:44,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:44,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:44,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:44,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:44,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922690680] [2021-02-21 16:13:44,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:44,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 16:13:44,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740410829] [2021-02-21 16:13:44,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 16:13:44,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:44,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 16:13:44,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 16:13:44,200 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand 4 states. [2021-02-21 16:13:44,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:44,357 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2021-02-21 16:13:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 16:13:44,358 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2021-02-21 16:13:44,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:44,359 INFO L225 Difference]: With dead ends: 78 [2021-02-21 16:13:44,359 INFO L226 Difference]: Without dead ends: 76 [2021-02-21 16:13:44,360 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 [2021-02-21 16:13:44,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-02-21 16:13:44,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-02-21 16:13:44,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-21 16:13:44,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 87 transitions. [2021-02-21 16:13:44,365 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 87 transitions. Word has length 25 [2021-02-21 16:13:44,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:44,366 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 87 transitions. [2021-02-21 16:13:44,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 16:13:44,366 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2021-02-21 16:13:44,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-21 16:13:44,367 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:44,367 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] [2021-02-21 16:13:44,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-21 16:13:44,368 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]=== [2021-02-21 16:13:44,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:44,369 INFO L82 PathProgramCache]: Analyzing trace with hash -995895282, now seen corresponding path program 1 times [2021-02-21 16:13:44,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:44,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053621683] [2021-02-21 16:13:44,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:44,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:44,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:44,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:44,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:44,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:44,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:44,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:44,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:44,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:44,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:44,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053621683] [2021-02-21 16:13:44,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:44,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 16:13:44,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278301381] [2021-02-21 16:13:44,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 16:13:44,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:44,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 16:13:44,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 16:13:44,435 INFO L87 Difference]: Start difference. First operand 76 states and 87 transitions. Second operand 4 states. [2021-02-21 16:13:44,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:44,593 INFO L93 Difference]: Finished difference Result 79 states and 90 transitions. [2021-02-21 16:13:44,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 16:13:44,594 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2021-02-21 16:13:44,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:44,595 INFO L225 Difference]: With dead ends: 79 [2021-02-21 16:13:44,596 INFO L226 Difference]: Without dead ends: 77 [2021-02-21 16:13:44,596 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 [2021-02-21 16:13:44,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-02-21 16:13:44,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-02-21 16:13:44,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-02-21 16:13:44,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2021-02-21 16:13:44,602 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 27 [2021-02-21 16:13:44,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:44,603 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2021-02-21 16:13:44,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 16:13:44,603 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2021-02-21 16:13:44,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-21 16:13:44,604 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:44,604 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] [2021-02-21 16:13:44,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-21 16:13:44,605 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]=== [2021-02-21 16:13:44,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:44,605 INFO L82 PathProgramCache]: Analyzing trace with hash -995893360, now seen corresponding path program 1 times [2021-02-21 16:13:44,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:44,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078527417] [2021-02-21 16:13:44,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:44,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:44,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:44,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:44,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:44,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:44,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:44,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:44,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:44,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:44,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:44,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:44,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:44,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078527417] [2021-02-21 16:13:44,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:44,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 16:13:44,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339664662] [2021-02-21 16:13:44,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 16:13:44,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:44,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 16:13:44,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 16:13:44,702 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 5 states. [2021-02-21 16:13:44,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:44,901 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2021-02-21 16:13:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 16:13:44,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-02-21 16:13:44,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:44,902 INFO L225 Difference]: With dead ends: 78 [2021-02-21 16:13:44,902 INFO L226 Difference]: Without dead ends: 76 [2021-02-21 16:13:44,903 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 [2021-02-21 16:13:44,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-02-21 16:13:44,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2021-02-21 16:13:44,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2021-02-21 16:13:44,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 85 transitions. [2021-02-21 16:13:44,908 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 85 transitions. Word has length 27 [2021-02-21 16:13:44,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:44,908 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 85 transitions. [2021-02-21 16:13:44,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 16:13:44,909 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2021-02-21 16:13:44,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-21 16:13:44,910 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:44,910 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] [2021-02-21 16:13:44,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-21 16:13:44,910 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]=== [2021-02-21 16:13:44,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:44,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1065943089, now seen corresponding path program 1 times [2021-02-21 16:13:44,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:44,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135191400] [2021-02-21 16:13:44,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:45,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:45,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:45,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:45,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:13:45,042 WARN L141 QuantifierPusher]: treesize reduction 10, result has 81.1 percent of original size [2021-02-21 16:13:45,044 WARN L147 QuantifierPusher]: treesize reduction 10, result has 81.1 percent of original size 43 [2021-02-21 16:13:45,058 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size [2021-02-21 16:13:45,059 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size 39 [2021-02-21 16:13:45,074 WARN L141 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-02-21 16:13:45,075 WARN L147 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size 22 [2021-02-21 16:13:45,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:45,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:45,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:45,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:45,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:45,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:45,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:45,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:45,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135191400] [2021-02-21 16:13:45,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:45,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 16:13:45,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748772127] [2021-02-21 16:13:45,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 16:13:45,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:45,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 16:13:45,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-02-21 16:13:45,159 INFO L87 Difference]: Start difference. First operand 74 states and 85 transitions. Second operand 8 states. [2021-02-21 16:13:45,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:45,833 INFO L93 Difference]: Finished difference Result 230 states and 258 transitions. [2021-02-21 16:13:45,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 16:13:45,834 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2021-02-21 16:13:45,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:45,837 INFO L225 Difference]: With dead ends: 230 [2021-02-21 16:13:45,837 INFO L226 Difference]: Without dead ends: 228 [2021-02-21 16:13:45,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-02-21 16:13:45,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-02-21 16:13:45,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 91. [2021-02-21 16:13:45,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-02-21 16:13:45,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2021-02-21 16:13:45,855 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 28 [2021-02-21 16:13:45,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:45,856 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2021-02-21 16:13:45,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 16:13:45,856 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2021-02-21 16:13:45,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-21 16:13:45,857 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:45,857 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] [2021-02-21 16:13:45,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-21 16:13:45,858 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]=== [2021-02-21 16:13:45,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:45,858 INFO L82 PathProgramCache]: Analyzing trace with hash 623000653, now seen corresponding path program 1 times [2021-02-21 16:13:45,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:45,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847733457] [2021-02-21 16:13:45,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:45,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:45,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:45,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:45,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 16:13:45,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:45,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-02-21 16:13:45,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:45,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:45,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:45,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:45,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:45,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:45,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847733457] [2021-02-21 16:13:45,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:45,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 16:13:45,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282832864] [2021-02-21 16:13:45,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 16:13:45,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:45,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 16:13:45,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-21 16:13:45,931 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand 5 states. [2021-02-21 16:13:46,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:46,273 INFO L93 Difference]: Finished difference Result 202 states and 232 transitions. [2021-02-21 16:13:46,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 16:13:46,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-02-21 16:13:46,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:46,275 INFO L225 Difference]: With dead ends: 202 [2021-02-21 16:13:46,275 INFO L226 Difference]: Without dead ends: 140 [2021-02-21 16:13:46,276 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 [2021-02-21 16:13:46,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-02-21 16:13:46,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 91. [2021-02-21 16:13:46,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-02-21 16:13:46,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 104 transitions. [2021-02-21 16:13:46,283 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 104 transitions. Word has length 28 [2021-02-21 16:13:46,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:46,283 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 104 transitions. [2021-02-21 16:13:46,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 16:13:46,283 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2021-02-21 16:13:46,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-21 16:13:46,285 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:46,285 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] [2021-02-21 16:13:46,285 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-21 16:13:46,285 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]=== [2021-02-21 16:13:46,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:46,286 INFO L82 PathProgramCache]: Analyzing trace with hash -965347249, now seen corresponding path program 1 times [2021-02-21 16:13:46,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:46,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564304590] [2021-02-21 16:13:46,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:46,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:46,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:46,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:46,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:46,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:46,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 16:13:46,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:46,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 16:13:46,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:46,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:46,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:46,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:46,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:46,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:46,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:46,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564304590] [2021-02-21 16:13:46,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:46,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 16:13:46,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906114755] [2021-02-21 16:13:46,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 16:13:46,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:46,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 16:13:46,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-21 16:13:46,394 INFO L87 Difference]: Start difference. First operand 91 states and 104 transitions. Second operand 7 states. [2021-02-21 16:13:46,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:46,811 INFO L93 Difference]: Finished difference Result 209 states and 240 transitions. [2021-02-21 16:13:46,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-21 16:13:46,811 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2021-02-21 16:13:46,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:46,813 INFO L225 Difference]: With dead ends: 209 [2021-02-21 16:13:46,813 INFO L226 Difference]: Without dead ends: 161 [2021-02-21 16:13:46,814 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 [2021-02-21 16:13:46,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-02-21 16:13:46,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 98. [2021-02-21 16:13:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2021-02-21 16:13:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 112 transitions. [2021-02-21 16:13:46,822 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 112 transitions. Word has length 28 [2021-02-21 16:13:46,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:46,822 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 112 transitions. [2021-02-21 16:13:46,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 16:13:46,822 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 112 transitions. [2021-02-21 16:13:46,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-21 16:13:46,824 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:46,824 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] [2021-02-21 16:13:46,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-21 16:13:46,824 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]=== [2021-02-21 16:13:46,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:46,825 INFO L82 PathProgramCache]: Analyzing trace with hash 260555071, now seen corresponding path program 1 times [2021-02-21 16:13:46,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:46,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808719501] [2021-02-21 16:13:46,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:46,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:46,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:46,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:46,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:13:46,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:46,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:46,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:46,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:46,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:46,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-21 16:13:46,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808719501] [2021-02-21 16:13:46,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:46,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 16:13:46,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572441852] [2021-02-21 16:13:46,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 16:13:46,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:46,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 16:13:46,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 16:13:46,917 INFO L87 Difference]: Start difference. First operand 98 states and 112 transitions. Second operand 4 states. [2021-02-21 16:13:47,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:47,101 INFO L93 Difference]: Finished difference Result 98 states and 112 transitions. [2021-02-21 16:13:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 16:13:47,101 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2021-02-21 16:13:47,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:47,102 INFO L225 Difference]: With dead ends: 98 [2021-02-21 16:13:47,103 INFO L226 Difference]: Without dead ends: 96 [2021-02-21 16:13:47,103 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 [2021-02-21 16:13:47,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-02-21 16:13:47,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-02-21 16:13:47,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2021-02-21 16:13:47,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2021-02-21 16:13:47,112 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 30 [2021-02-21 16:13:47,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:47,112 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2021-02-21 16:13:47,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 16:13:47,112 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2021-02-21 16:13:47,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-02-21 16:13:47,114 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:47,114 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] [2021-02-21 16:13:47,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-21 16:13:47,114 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]=== [2021-02-21 16:13:47,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:47,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1481741417, now seen corresponding path program 1 times [2021-02-21 16:13:47,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:47,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879598229] [2021-02-21 16:13:47,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:47,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:47,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:47,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:47,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:13:47,203 WARN L141 QuantifierPusher]: treesize reduction 15, result has 72.2 percent of original size [2021-02-21 16:13:47,204 WARN L147 QuantifierPusher]: treesize reduction 15, result has 72.2 percent of original size 39 [2021-02-21 16:13:47,226 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size [2021-02-21 16:13:47,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size 39 [2021-02-21 16:13:47,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:47,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:47,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:47,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:47,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:47,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:47,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:47,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:47,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:47,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:47,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879598229] [2021-02-21 16:13:47,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:47,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 16:13:47,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960267113] [2021-02-21 16:13:47,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 16:13:47,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:47,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 16:13:47,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-02-21 16:13:47,317 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 8 states. [2021-02-21 16:13:47,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:47,934 INFO L93 Difference]: Finished difference Result 229 states and 257 transitions. [2021-02-21 16:13:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 16:13:47,935 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2021-02-21 16:13:47,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:47,937 INFO L225 Difference]: With dead ends: 229 [2021-02-21 16:13:47,937 INFO L226 Difference]: Without dead ends: 227 [2021-02-21 16:13:47,937 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 [2021-02-21 16:13:47,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-02-21 16:13:47,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 99. [2021-02-21 16:13:47,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2021-02-21 16:13:47,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2021-02-21 16:13:47,946 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 31 [2021-02-21 16:13:47,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:47,947 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2021-02-21 16:13:47,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 16:13:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2021-02-21 16:13:47,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-21 16:13:47,948 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:47,948 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:13:47,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-21 16:13:47,949 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]=== [2021-02-21 16:13:47,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:47,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1194412935, now seen corresponding path program 1 times [2021-02-21 16:13:47,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:47,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713206266] [2021-02-21 16:13:47,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:47,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:47,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:48,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:48,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 16:13:48,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:48,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:48,024 WARN L141 QuantifierPusher]: treesize reduction 4, result has 96.1 percent of original size [2021-02-21 16:13:48,039 WARN L147 QuantifierPusher]: treesize reduction 4, result has 96.1 percent of original size 99 [2021-02-21 16:13:48,097 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size [2021-02-21 16:13:48,099 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.6 percent of original size 87 [2021-02-21 16:13:48,159 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-02-21 16:13:48,161 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size 79 [2021-02-21 16:13:48,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:48,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:48,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:48,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:48,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:48,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713206266] [2021-02-21 16:13:48,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:48,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 16:13:48,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834014950] [2021-02-21 16:13:48,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 16:13:48,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:48,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 16:13:48,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-21 16:13:48,203 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 7 states. [2021-02-21 16:13:48,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:48,594 INFO L93 Difference]: Finished difference Result 204 states and 233 transitions. [2021-02-21 16:13:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 16:13:48,594 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2021-02-21 16:13:48,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:48,596 INFO L225 Difference]: With dead ends: 204 [2021-02-21 16:13:48,596 INFO L226 Difference]: Without dead ends: 163 [2021-02-21 16:13:48,600 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 [2021-02-21 16:13:48,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-02-21 16:13:48,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 99. [2021-02-21 16:13:48,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2021-02-21 16:13:48,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2021-02-21 16:13:48,617 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 33 [2021-02-21 16:13:48,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:48,619 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2021-02-21 16:13:48,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 16:13:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2021-02-21 16:13:48,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-21 16:13:48,621 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:48,622 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] [2021-02-21 16:13:48,622 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-21 16:13:48,622 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]=== [2021-02-21 16:13:48,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:48,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1413267653, now seen corresponding path program 1 times [2021-02-21 16:13:48,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:48,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046576599] [2021-02-21 16:13:48,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:48,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:48,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:48,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:48,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:48,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:48,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 16:13:48,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:48,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:48,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:48,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:48,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:48,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:48,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-21 16:13:48,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046576599] [2021-02-21 16:13:48,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:48,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-21 16:13:48,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270108972] [2021-02-21 16:13:48,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 16:13:48,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:48,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 16:13:48,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:13:48,758 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 6 states. [2021-02-21 16:13:49,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:49,076 INFO L93 Difference]: Finished difference Result 144 states and 164 transitions. [2021-02-21 16:13:49,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 16:13:49,077 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2021-02-21 16:13:49,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:49,078 INFO L225 Difference]: With dead ends: 144 [2021-02-21 16:13:49,078 INFO L226 Difference]: Without dead ends: 128 [2021-02-21 16:13:49,079 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 [2021-02-21 16:13:49,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-02-21 16:13:49,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 120. [2021-02-21 16:13:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2021-02-21 16:13:49,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2021-02-21 16:13:49,088 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 33 [2021-02-21 16:13:49,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:49,088 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2021-02-21 16:13:49,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 16:13:49,089 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2021-02-21 16:13:49,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-21 16:13:49,089 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:49,090 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:13:49,090 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-02-21 16:13:49,090 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]=== [2021-02-21 16:13:49,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:49,091 INFO L82 PathProgramCache]: Analyzing trace with hash 925603427, now seen corresponding path program 1 times [2021-02-21 16:13:49,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:49,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337243184] [2021-02-21 16:13:49,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:49,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 16:13:49,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:13:49,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:49,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-21 16:13:49,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337243184] [2021-02-21 16:13:49,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:49,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-21 16:13:49,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310803418] [2021-02-21 16:13:49,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 16:13:49,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:49,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 16:13:49,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:13:49,235 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 6 states. [2021-02-21 16:13:49,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:49,543 INFO L93 Difference]: Finished difference Result 272 states and 319 transitions. [2021-02-21 16:13:49,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 16:13:49,544 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2021-02-21 16:13:49,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:49,545 INFO L225 Difference]: With dead ends: 272 [2021-02-21 16:13:49,545 INFO L226 Difference]: Without dead ends: 184 [2021-02-21 16:13:49,546 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 [2021-02-21 16:13:49,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2021-02-21 16:13:49,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 120. [2021-02-21 16:13:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2021-02-21 16:13:49,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2021-02-21 16:13:49,555 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 33 [2021-02-21 16:13:49,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:49,555 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2021-02-21 16:13:49,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 16:13:49,556 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2021-02-21 16:13:49,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-21 16:13:49,556 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:49,556 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] [2021-02-21 16:13:49,557 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-02-21 16:13:49,557 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]=== [2021-02-21 16:13:49,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:49,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1059616933, now seen corresponding path program 1 times [2021-02-21 16:13:49,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:49,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350752963] [2021-02-21 16:13:49,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:49,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 16:13:49,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:49,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:49,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:49,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:49,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:49,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350752963] [2021-02-21 16:13:49,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039586541] [2021-02-21 16:13:49,648 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 [2021-02-21 16:13:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:49,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 17 conjunts are in the unsatisfiable core [2021-02-21 16:13:49,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-21 16:13:49,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:49,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:49,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:49,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:49,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:49,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-21 16:13:49,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:49,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:49,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:49,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:49,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-21 16:13:49,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:49,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:49,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:49,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:49,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-21 16:13:49,948 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 [2021-02-21 16:13:49,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:49,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:49,952 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-21 16:13:49,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,967 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 [2021-02-21 16:13:49,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:49,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:49,970 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-21 16:13:49,979 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:49,981 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-21 16:13:49,981 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2021-02-21 16:13:49,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:49,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:49,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:50,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:50,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:50,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:50,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:50,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:50,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:50,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:50,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:50,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:50,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:50,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:50,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:13:50,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:50,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:50,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:50,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:50,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-21 16:13:50,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:50,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:50,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:50,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:50,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-02-21 16:13:50,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:50,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:50,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:50,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:50,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-02-21 16:13:50,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-21 16:13:50,058 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 [2021-02-21 16:13:50,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:50,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 16:13:50,061 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-21 16:13:50,074 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-21 16:13:50,079 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 [2021-02-21 16:13:50,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:50,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 16:13:50,083 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-21 16:13:50,094 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,097 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-21 16:13:50,097 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2021-02-21 16:13:50,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-02-21 16:13:50,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-21 16:13:50,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-21 16:13:50,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:50,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-21 16:13:50,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-02-21 16:13:50,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:50,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-21 16:13:50,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-21 16:13:50,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:50,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:50,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 16:13:50,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 16:13:50,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:50,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:50,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 16:13:50,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 16:13:50,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:50,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-21 16:13:50,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-21 16:13:50,402 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 [2021-02-21 16:13:50,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:50,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:13:50,407 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-21 16:13:50,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,420 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,421 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 [2021-02-21 16:13:50,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:50,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:13:50,427 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-21 16:13:50,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:50,432 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-21 16:13:50,432 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:7 [2021-02-21 16:13:50,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:50,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:50,436 WARN L141 QuantifierPusher]: treesize reduction 15, result has 6.3 percent of original size [2021-02-21 16:13:50,436 WARN L147 QuantifierPusher]: treesize reduction 15, result has 6.3 percent of original size 1 [2021-02-21 16:13:50,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:50,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:50,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:50,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-21 16:13:50,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-02-21 16:13:50,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689513915] [2021-02-21 16:13:50,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 16:13:50,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:50,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 16:13:50,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-02-21 16:13:50,471 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 9 states. [2021-02-21 16:13:50,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:50,992 INFO L93 Difference]: Finished difference Result 207 states and 239 transitions. [2021-02-21 16:13:50,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-21 16:13:50,993 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2021-02-21 16:13:50,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:50,994 INFO L225 Difference]: With dead ends: 207 [2021-02-21 16:13:50,994 INFO L226 Difference]: Without dead ends: 145 [2021-02-21 16:13:50,995 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 [2021-02-21 16:13:50,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-02-21 16:13:51,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 121. [2021-02-21 16:13:51,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2021-02-21 16:13:51,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2021-02-21 16:13:51,005 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 33 [2021-02-21 16:13:51,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:51,005 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2021-02-21 16:13:51,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 16:13:51,005 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2021-02-21 16:13:51,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-02-21 16:13:51,006 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:51,006 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] [2021-02-21 16:13:51,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-02-21 16:13:51,221 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]=== [2021-02-21 16:13:51,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:51,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1603435294, now seen corresponding path program 1 times [2021-02-21 16:13:51,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:51,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707779283] [2021-02-21 16:13:51,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:51,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 16:13:51,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:51,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:51,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707779283] [2021-02-21 16:13:51,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:13:51,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 16:13:51,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595292069] [2021-02-21 16:13:51,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 16:13:51,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:51,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 16:13:51,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 16:13:51,282 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 4 states. [2021-02-21 16:13:51,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:51,483 INFO L93 Difference]: Finished difference Result 230 states and 272 transitions. [2021-02-21 16:13:51,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 16:13:51,484 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2021-02-21 16:13:51,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:51,485 INFO L225 Difference]: With dead ends: 230 [2021-02-21 16:13:51,486 INFO L226 Difference]: Without dead ends: 173 [2021-02-21 16:13:51,486 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 [2021-02-21 16:13:51,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-02-21 16:13:51,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 146. [2021-02-21 16:13:51,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2021-02-21 16:13:51,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 170 transitions. [2021-02-21 16:13:51,497 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 170 transitions. Word has length 36 [2021-02-21 16:13:51,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:51,498 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 170 transitions. [2021-02-21 16:13:51,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 16:13:51,498 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 170 transitions. [2021-02-21 16:13:51,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-02-21 16:13:51,498 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:51,499 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] [2021-02-21 16:13:51,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-02-21 16:13:51,499 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]=== [2021-02-21 16:13:51,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:51,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1800177525, now seen corresponding path program 1 times [2021-02-21 16:13:51,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:51,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186434616] [2021-02-21 16:13:51,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:51,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-02-21 16:13:51,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:51,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:51,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:13:51,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186434616] [2021-02-21 16:13:51,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372665148] [2021-02-21 16:13:51,667 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 [2021-02-21 16:13:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:51,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 13 conjunts are in the unsatisfiable core [2021-02-21 16:13:51,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-21 16:13:51,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:51,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:51,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:51,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:51,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:51,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-21 16:13:51,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:51,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:51,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:51,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:51,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 16:13:51,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:51,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:51,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:51,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:51,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 16:13:51,890 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 [2021-02-21 16:13:51,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:51,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:51,892 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-21 16:13:51,897 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,900 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 [2021-02-21 16:13:51,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:51,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:51,903 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-21 16:13:51,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,908 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-21 16:13:51,909 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2021-02-21 16:13:51,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:13:51,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:51,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:51,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:51,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:51,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-02-21 16:13:51,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:51,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:51,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:51,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:51,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-21 16:13:51,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:51,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:51,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:51,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:51,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-21 16:13:51,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-21 16:13:51,955 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 [2021-02-21 16:13:51,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:51,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 16:13:51,958 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-21 16:13:51,966 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-21 16:13:51,973 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 [2021-02-21 16:13:51,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:13:51,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 16:13:51,978 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-21 16:13:51,986 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:51,987 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-21 16:13:51,988 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2021-02-21 16:13:51,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:51,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:51,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 16:13:52,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:52,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-21 16:13:52,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-21 16:13:52,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:52,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-21 16:13:52,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-21 16:13:52,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:52,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:52,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-21 16:13:52,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 16:13:52,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:52,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:52,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-21 16:13:52,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 16:13:52,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:13:52,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-21 16:13:52,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-02-21 16:13:52,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-21 16:13:52,138 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 [2021-02-21 16:13:52,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:52,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:13:52,141 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-21 16:13:52,150 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,156 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-02-21 16:13:52,156 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 [2021-02-21 16:13:52,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:13:52,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:13:52,160 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-21 16:13:52,164 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:52,166 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-21 16:13:52,166 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:47, output treesize:7 [2021-02-21 16:13:52,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:52,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:13:52,169 WARN L141 QuantifierPusher]: treesize reduction 15, result has 6.3 percent of original size [2021-02-21 16:13:52,170 WARN L147 QuantifierPusher]: treesize reduction 15, result has 6.3 percent of original size 1 [2021-02-21 16:13:52,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:52,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:52,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-21 16:13:52,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-21 16:13:52,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2021-02-21 16:13:52,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730458600] [2021-02-21 16:13:52,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 16:13:52,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:13:52,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 16:13:52,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-21 16:13:52,196 INFO L87 Difference]: Start difference. First operand 146 states and 170 transitions. Second operand 8 states. [2021-02-21 16:13:52,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:13:52,755 INFO L93 Difference]: Finished difference Result 260 states and 298 transitions. [2021-02-21 16:13:52,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 16:13:52,756 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2021-02-21 16:13:52,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:13:52,757 INFO L225 Difference]: With dead ends: 260 [2021-02-21 16:13:52,757 INFO L226 Difference]: Without dead ends: 228 [2021-02-21 16:13:52,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-02-21 16:13:52,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-02-21 16:13:52,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 175. [2021-02-21 16:13:52,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2021-02-21 16:13:52,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 210 transitions. [2021-02-21 16:13:52,769 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 210 transitions. Word has length 36 [2021-02-21 16:13:52,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:13:52,769 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 210 transitions. [2021-02-21 16:13:52,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 16:13:52,770 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 210 transitions. [2021-02-21 16:13:52,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-02-21 16:13:52,770 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:52,770 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] [2021-02-21 16:13:52,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-21 16:13:52,984 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]=== [2021-02-21 16:13:52,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:52,985 INFO L82 PathProgramCache]: Analyzing trace with hash -23129775, now seen corresponding path program 1 times [2021-02-21 16:13:52,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:52,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718417041] [2021-02-21 16:13:52,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 16:13:53,005 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 16:13:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 16:13:53,039 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 16:13:53,093 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-21 16:13:53,093 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-21 16:13:53,093 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-02-21 16:13:53,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 04:13:53 BoogieIcfgContainer [2021-02-21 16:13:53,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 16:13:53,181 INFO L168 Benchmark]: Toolchain (without parser) took 13138.92 ms. Allocated memory was 151.0 MB in the beginning and 287.3 MB in the end (delta: 136.3 MB). Free memory was 125.3 MB in the beginning and 243.1 MB in the end (delta: -117.8 MB). Peak memory consumption was 19.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:13:53,181 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 16:13:53,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.72 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 132.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 27.7 MB. Max. memory is 8.0 GB. [2021-02-21 16:13:53,182 INFO L168 Benchmark]: Boogie Preprocessor took 82.67 ms. Allocated memory is still 151.0 MB. Free memory was 132.2 MB in the beginning and 129.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:13:53,182 INFO L168 Benchmark]: RCFGBuilder took 925.01 ms. Allocated memory is still 151.0 MB. Free memory was 129.1 MB in the beginning and 74.0 MB in the end (delta: 55.0 MB). Peak memory consumption was 54.5 MB. Max. memory is 8.0 GB. [2021-02-21 16:13:53,182 INFO L168 Benchmark]: TraceAbstraction took 11401.11 ms. Allocated memory was 151.0 MB in the beginning and 287.3 MB in the end (delta: 136.3 MB). Free memory was 73.5 MB in the beginning and 243.1 MB in the end (delta: -169.6 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 16:13:53,183 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 699.72 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 132.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 27.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 82.67 ms. Allocated memory is still 151.0 MB. Free memory was 132.2 MB in the beginning and 129.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 925.01 ms. Allocated memory is still 151.0 MB. Free memory was 129.1 MB in the beginning and 74.0 MB in the end (delta: 55.0 MB). Peak memory consumption was 54.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 11401.11 ms. Allocated memory was 151.0 MB in the beginning and 287.3 MB in the end (delta: 136.3 MB). Free memory was 73.5 MB in the beginning and 243.1 MB in the end (delta: -169.6 MB). There was no memory consumed. 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))={-2:0}, malloc(sizeof(SLL))={-1:0}] [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))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1009] COND FALSE !(__VERIFIER_nondet_int()) [L1019] end = ((void*)0) [L1020] end = list VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1023] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [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))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1031] COND TRUE len == 0 [L1032] len = 1 VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1035] COND FALSE !(!(((void*)0) != inner)) VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1036] EXPR inner->inner VAL [end={-1:0}, inner={-2:0}, inner->inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [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))={-2:0}, malloc(sizeof(SLL))={-1:0}] [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))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1031] COND FALSE !(len == 0) [L1034] len = 2 VAL [end={-1:0}, inner={56:-7}, len=2, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1035] COND FALSE !(!(((void*)0) != inner)) VAL [end={-1:0}, inner={56:-7}, len=2, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1036] EXPR inner->inner VAL [end={-1:0}, inner={56:-7}, inner->inner={61:60}, len=2, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [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))={-2:0}, malloc(sizeof(SLL))={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 92 locations, 13 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.2s, OverallIterations: 21, TraceHistogramMax: 2, AutomataDifference: 6.4s, 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, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.7s 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: 0.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 704 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s 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...