/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/heap-manipulation/merge_sort-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:34:32,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:34:32,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:34:32,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 13:34:32,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 13:34:32,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 13:34:32,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 13:34:32,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 13:34:32,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 13:34:32,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 13:34:32,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 13:34:32,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 13:34:32,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:34:32,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:34:32,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:34:32,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:34:32,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:34:32,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:34:32,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:34:32,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:34:32,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:34:32,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:34:32,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:34:32,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:34:32,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 13:34:32,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 13:34:32,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 13:34:32,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 13:34:32,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 13:34:32,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 13:34:32,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 13:34:32,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 13:34:32,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 13:34:32,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 13:34:32,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 13:34:32,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 13:34:32,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 13:34:32,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 13:34:32,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:34:32,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:34:32,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:34:32,887 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 13:34:32,947 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:34:32,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:34:32,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:34:32,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:34:32,952 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:34:32,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:34:32,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:34:32,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:34:32,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:34:32,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:34:32,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:34:32,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:34:32,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:34:32,956 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:34:32,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:34:32,956 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:34:32,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:34:32,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:34:32,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:34:32,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:34:32,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:34:32,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:34:32,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:34:32,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:34:32,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:34:32,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:34:32,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:34:32,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:34:32,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:34:33,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:34:33,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:34:33,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:34:33,387 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:34:33,388 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:34:33,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/merge_sort-1.i [2021-02-23 13:34:33,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a8a72dc/3bebb7a1a4734c9ab55972bed357ce91/FLAGdb0b5280a [2021-02-23 13:34:34,351 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:34:34,352 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/merge_sort-1.i [2021-02-23 13:34:34,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a8a72dc/3bebb7a1a4734c9ab55972bed357ce91/FLAGdb0b5280a [2021-02-23 13:34:34,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a8a72dc/3bebb7a1a4734c9ab55972bed357ce91 [2021-02-23 13:34:34,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:34:34,593 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:34:34,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:34:34,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:34:34,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:34:34,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:34:34" (1/1) ... [2021-02-23 13:34:34,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d51993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:34:34, skipping insertion in model container [2021-02-23 13:34:34,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:34:34" (1/1) ... [2021-02-23 13:34:34,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:34:34,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:34:35,016 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/merge_sort-1.i[22632,22645] [2021-02-23 13:34:35,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:34:35,080 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:34:35,116 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/merge_sort-1.i[22632,22645] [2021-02-23 13:34:35,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:34:35,221 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:34:35,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:34:35 WrapperNode [2021-02-23 13:34:35,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:34:35,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:34:35,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:34:35,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:34:35,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:34:35" (1/1) ... [2021-02-23 13:34:35,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:34:35" (1/1) ... [2021-02-23 13:34:35,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:34:35" (1/1) ... [2021-02-23 13:34:35,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:34:35" (1/1) ... [2021-02-23 13:34:35,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:34:35" (1/1) ... [2021-02-23 13:34:35,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:34:35" (1/1) ... [2021-02-23 13:34:35,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:34:35" (1/1) ... [2021-02-23 13:34:35,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:34:35,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:34:35,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:34:35,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:34:35,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:34:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:34:35,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:34:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:34:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:34:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-23 13:34:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-23 13:34:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-02-23 13:34:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_single_node [2021-02-23 13:34:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_pair [2021-02-23 13:34:35,532 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sort_core [2021-02-23 13:34:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_before [2021-02-23 13:34:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_after [2021-02-23 13:34:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:34:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:34:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:34:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 13:34:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 13:34:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:34:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:34:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-23 13:34:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-23 13:34:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-23 13:34:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-23 13:34:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-23 13:34:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-23 13:34:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-23 13:34:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-23 13:34:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-23 13:34:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-23 13:34:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-23 13:34:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-23 13:34:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-23 13:34:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-23 13:34:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-23 13:34:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-23 13:34:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-23 13:34:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-23 13:34:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-23 13:34:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-23 13:34:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-23 13:34:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-23 13:34:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-23 13:34:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-23 13:34:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-23 13:34:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-23 13:34:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-23 13:34:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-23 13:34:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-23 13:34:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-23 13:34:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-23 13:34:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-23 13:34:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-23 13:34:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-23 13:34:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-23 13:34:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-23 13:34:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-23 13:34:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-23 13:34:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-23 13:34:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-23 13:34:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-23 13:34:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-23 13:34:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-23 13:34:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-23 13:34:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-23 13:34:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-23 13:34:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-23 13:34:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-23 13:34:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-23 13:34:35,551 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-23 13:34:35,551 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-23 13:34:35,551 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-23 13:34:35,551 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 13:34:35,551 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 13:34:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-23 13:34:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 13:34:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-23 13:34:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-23 13:34:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-23 13:34:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-23 13:34:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-23 13:34:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-23 13:34:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 13:34:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-23 13:34:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-23 13:34:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-23 13:34:35,556 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-23 13:34:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-23 13:34:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-23 13:34:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-23 13:34:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-23 13:34:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-23 13:34:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-23 13:34:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-23 13:34:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-23 13:34:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-23 13:34:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-23 13:34:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-23 13:34:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-23 13:34:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-23 13:34:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-23 13:34:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-23 13:34:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-23 13:34:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-23 13:34:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-23 13:34:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-23 13:34:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-23 13:34:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-23 13:34:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-23 13:34:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-23 13:34:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-23 13:34:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-23 13:34:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-23 13:34:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-23 13:34:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-23 13:34:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-23 13:34:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-23 13:34:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-23 13:34:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-23 13:34:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-23 13:34:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-23 13:34:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 13:34:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-02-23 13:34:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure merge_single_node [2021-02-23 13:34:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 13:34:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 13:34:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure merge_pair [2021-02-23 13:34:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:34:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:34:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sort_core [2021-02-23 13:34:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_before [2021-02-23 13:34:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_after [2021-02-23 13:34:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:34:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 13:34:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:34:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:34:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:34:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:34:36,395 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:34:36,396 INFO L299 CfgBuilder]: Removed 33 assume(true) statements. [2021-02-23 13:34:36,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:34:36 BoogieIcfgContainer [2021-02-23 13:34:36,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:34:36,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:34:36,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:34:36,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:34:36,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:34:34" (1/3) ... [2021-02-23 13:34:36,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3028b533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:34:36, skipping insertion in model container [2021-02-23 13:34:36,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:34:35" (2/3) ... [2021-02-23 13:34:36,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3028b533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:34:36, skipping insertion in model container [2021-02-23 13:34:36,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:34:36" (3/3) ... [2021-02-23 13:34:36,409 INFO L111 eAbstractionObserver]: Analyzing ICFG merge_sort-1.i [2021-02-23 13:34:36,416 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:34:36,423 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 13:34:36,445 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 13:34:36,493 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:34:36,493 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:34:36,493 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:34:36,493 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:34:36,493 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:34:36,494 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:34:36,494 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:34:36,494 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:34:36,524 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2021-02-23 13:34:36,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-02-23 13:34:36,531 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:34:36,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:34:36,532 INFO L428 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:34:36,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:34:36,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1873628423, now seen corresponding path program 1 times [2021-02-23 13:34:36,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:34:36,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643903021] [2021-02-23 13:34:36,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:34:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:36,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:36,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:36,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:36,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:36,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:34:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:36,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:36,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:36,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:34:36,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643903021] [2021-02-23 13:34:36,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:34:36,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-23 13:34:36,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792579442] [2021-02-23 13:34:36,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-23 13:34:36,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:34:36,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-23 13:34:36,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 13:34:36,994 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 3 states. [2021-02-23 13:34:37,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:34:37,355 INFO L93 Difference]: Finished difference Result 240 states and 408 transitions. [2021-02-23 13:34:37,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-23 13:34:37,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2021-02-23 13:34:37,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:34:37,370 INFO L225 Difference]: With dead ends: 240 [2021-02-23 13:34:37,370 INFO L226 Difference]: Without dead ends: 118 [2021-02-23 13:34:37,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 13:34:37,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-02-23 13:34:37,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 103. [2021-02-23 13:34:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2021-02-23 13:34:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 126 transitions. [2021-02-23 13:34:37,440 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 126 transitions. Word has length 13 [2021-02-23 13:34:37,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:34:37,441 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 126 transitions. [2021-02-23 13:34:37,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-23 13:34:37,441 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 126 transitions. [2021-02-23 13:34:37,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-02-23 13:34:37,442 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:34:37,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:34:37,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:34:37,443 INFO L428 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:34:37,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:34:37,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1114718314, now seen corresponding path program 1 times [2021-02-23 13:34:37,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:34:37,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386360357] [2021-02-23 13:34:37,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:34:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:37,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:37,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:37,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:37,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:37,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:37,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:37,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:34:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:37,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:37,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:37,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:34:37,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386360357] [2021-02-23 13:34:37,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:34:37,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:34:37,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428292465] [2021-02-23 13:34:37,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:34:37,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:34:37,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:34:37,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:34:37,586 INFO L87 Difference]: Start difference. First operand 103 states and 126 transitions. Second operand 4 states. [2021-02-23 13:34:37,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:34:37,899 INFO L93 Difference]: Finished difference Result 206 states and 255 transitions. [2021-02-23 13:34:37,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 13:34:37,900 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2021-02-23 13:34:37,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:34:37,902 INFO L225 Difference]: With dead ends: 206 [2021-02-23 13:34:37,902 INFO L226 Difference]: Without dead ends: 115 [2021-02-23 13:34:37,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:34:37,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-02-23 13:34:37,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 105. [2021-02-23 13:34:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2021-02-23 13:34:37,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 128 transitions. [2021-02-23 13:34:37,921 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 128 transitions. Word has length 14 [2021-02-23 13:34:37,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:34:37,921 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 128 transitions. [2021-02-23 13:34:37,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:34:37,922 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 128 transitions. [2021-02-23 13:34:37,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-02-23 13:34:37,923 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:34:37,923 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:34:37,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 13:34:37,923 INFO L428 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:34:37,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:34:37,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1701663073, now seen corresponding path program 1 times [2021-02-23 13:34:37,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:34:37,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425899933] [2021-02-23 13:34:37,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:34:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:38,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:38,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:38,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:38,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:34:38,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:38,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:34:38,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:38,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:34:38,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:38,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:34:38,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:38,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:38,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:34:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:38,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:38,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:34:38,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425899933] [2021-02-23 13:34:38,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:34:38,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 13:34:38,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769333340] [2021-02-23 13:34:38,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 13:34:38,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:34:38,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 13:34:38,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-23 13:34:38,112 INFO L87 Difference]: Start difference. First operand 105 states and 128 transitions. Second operand 7 states. [2021-02-23 13:34:38,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:34:38,633 INFO L93 Difference]: Finished difference Result 157 states and 194 transitions. [2021-02-23 13:34:38,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 13:34:38,633 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2021-02-23 13:34:38,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:34:38,635 INFO L225 Difference]: With dead ends: 157 [2021-02-23 13:34:38,636 INFO L226 Difference]: Without dead ends: 152 [2021-02-23 13:34:38,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-02-23 13:34:38,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-02-23 13:34:38,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 108. [2021-02-23 13:34:38,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2021-02-23 13:34:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 131 transitions. [2021-02-23 13:34:38,665 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 131 transitions. Word has length 20 [2021-02-23 13:34:38,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:34:38,665 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 131 transitions. [2021-02-23 13:34:38,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 13:34:38,666 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 131 transitions. [2021-02-23 13:34:38,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-23 13:34:38,667 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:34:38,667 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] [2021-02-23 13:34:38,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 13:34:38,667 INFO L428 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:34:38,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:34:38,668 INFO L82 PathProgramCache]: Analyzing trace with hash 187186628, now seen corresponding path program 1 times [2021-02-23 13:34:38,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:34:38,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800855513] [2021-02-23 13:34:38,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:34:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:38,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:38,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:38,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:38,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 13:34:38,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:38,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:34:38,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:38,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:34:38,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:38,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:38,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:34:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:38,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:38,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:38,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 13:34:38,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800855513] [2021-02-23 13:34:38,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:34:38,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 13:34:38,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80548291] [2021-02-23 13:34:38,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 13:34:38,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:34:38,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 13:34:38,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:34:38,796 INFO L87 Difference]: Start difference. First operand 108 states and 131 transitions. Second operand 6 states. [2021-02-23 13:34:39,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:34:39,316 INFO L93 Difference]: Finished difference Result 116 states and 141 transitions. [2021-02-23 13:34:39,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 13:34:39,317 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2021-02-23 13:34:39,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:34:39,319 INFO L225 Difference]: With dead ends: 116 [2021-02-23 13:34:39,319 INFO L226 Difference]: Without dead ends: 113 [2021-02-23 13:34:39,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-23 13:34:39,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-02-23 13:34:39,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 107. [2021-02-23 13:34:39,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2021-02-23 13:34:39,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 129 transitions. [2021-02-23 13:34:39,333 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 129 transitions. Word has length 27 [2021-02-23 13:34:39,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:34:39,334 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 129 transitions. [2021-02-23 13:34:39,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 13:34:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2021-02-23 13:34:39,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-23 13:34:39,335 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:34:39,335 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] [2021-02-23 13:34:39,336 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 13:34:39,336 INFO L428 AbstractCegarLoop]: === Iteration 5 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:34:39,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:34:39,336 INFO L82 PathProgramCache]: Analyzing trace with hash 512602618, now seen corresponding path program 1 times [2021-02-23 13:34:39,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:34:39,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843226504] [2021-02-23 13:34:39,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:34:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:39,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:39,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:39,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:39,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 13:34:39,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:39,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 13:34:39,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:39,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:39,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:39,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:39,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:34:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:39,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:39,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:39,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 13:34:39,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843226504] [2021-02-23 13:34:39,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:34:39,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 13:34:39,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523987943] [2021-02-23 13:34:39,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 13:34:39,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:34:39,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 13:34:39,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:34:39,443 INFO L87 Difference]: Start difference. First operand 107 states and 129 transitions. Second operand 6 states. [2021-02-23 13:34:39,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:34:39,926 INFO L93 Difference]: Finished difference Result 115 states and 139 transitions. [2021-02-23 13:34:39,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 13:34:39,927 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2021-02-23 13:34:39,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:34:39,929 INFO L225 Difference]: With dead ends: 115 [2021-02-23 13:34:39,929 INFO L226 Difference]: Without dead ends: 112 [2021-02-23 13:34:39,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-23 13:34:39,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-02-23 13:34:39,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2021-02-23 13:34:39,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-02-23 13:34:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 127 transitions. [2021-02-23 13:34:39,941 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 127 transitions. Word has length 27 [2021-02-23 13:34:39,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:34:39,941 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 127 transitions. [2021-02-23 13:34:39,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 13:34:39,942 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 127 transitions. [2021-02-23 13:34:39,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-23 13:34:39,942 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:34:39,943 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] [2021-02-23 13:34:39,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 13:34:39,943 INFO L428 AbstractCegarLoop]: === Iteration 6 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:34:39,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:34:39,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1372736698, now seen corresponding path program 1 times [2021-02-23 13:34:39,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:34:39,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530777175] [2021-02-23 13:34:39,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:34:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:40,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:40,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:34:40,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:34:40,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 13:34:40,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 13:34:40,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 13:34:40,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:34:40,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:40,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:34:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:40,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:40,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:34:40,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530777175] [2021-02-23 13:34:40,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:34:40,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 13:34:40,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370648575] [2021-02-23 13:34:40,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 13:34:40,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:34:40,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 13:34:40,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-02-23 13:34:40,133 INFO L87 Difference]: Start difference. First operand 106 states and 127 transitions. Second operand 9 states. [2021-02-23 13:34:40,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:34:40,838 INFO L93 Difference]: Finished difference Result 147 states and 177 transitions. [2021-02-23 13:34:40,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 13:34:40,838 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2021-02-23 13:34:40,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:34:40,840 INFO L225 Difference]: With dead ends: 147 [2021-02-23 13:34:40,840 INFO L226 Difference]: Without dead ends: 144 [2021-02-23 13:34:40,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-02-23 13:34:40,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-02-23 13:34:40,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 112. [2021-02-23 13:34:40,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-02-23 13:34:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 133 transitions. [2021-02-23 13:34:40,852 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 133 transitions. Word has length 30 [2021-02-23 13:34:40,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:34:40,853 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 133 transitions. [2021-02-23 13:34:40,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 13:34:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 133 transitions. [2021-02-23 13:34:40,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-23 13:34:40,854 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:34:40,854 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] [2021-02-23 13:34:40,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 13:34:40,854 INFO L428 AbstractCegarLoop]: === Iteration 7 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:34:40,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:34:40,855 INFO L82 PathProgramCache]: Analyzing trace with hash -2135294117, now seen corresponding path program 1 times [2021-02-23 13:34:40,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:34:40,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596108814] [2021-02-23 13:34:40,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:34:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:40,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:40,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:34:40,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:34:40,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 13:34:40,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 13:34:40,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 13:34:40,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:34:40,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:40,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:34:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:40,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:40,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:40,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:34:40,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596108814] [2021-02-23 13:34:40,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:34:40,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 13:34:40,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763208828] [2021-02-23 13:34:40,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 13:34:40,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:34:40,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 13:34:40,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-02-23 13:34:40,964 INFO L87 Difference]: Start difference. First operand 112 states and 133 transitions. Second operand 9 states. [2021-02-23 13:34:41,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:34:41,750 INFO L93 Difference]: Finished difference Result 146 states and 175 transitions. [2021-02-23 13:34:41,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 13:34:41,750 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2021-02-23 13:34:41,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:34:41,753 INFO L225 Difference]: With dead ends: 146 [2021-02-23 13:34:41,753 INFO L226 Difference]: Without dead ends: 143 [2021-02-23 13:34:41,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-02-23 13:34:41,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-02-23 13:34:41,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 118. [2021-02-23 13:34:41,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-02-23 13:34:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 139 transitions. [2021-02-23 13:34:41,765 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 139 transitions. Word has length 30 [2021-02-23 13:34:41,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:34:41,765 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 139 transitions. [2021-02-23 13:34:41,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 13:34:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 139 transitions. [2021-02-23 13:34:41,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-23 13:34:41,767 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:34:41,767 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:34:41,767 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 13:34:41,767 INFO L428 AbstractCegarLoop]: === Iteration 8 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:34:41,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:34:41,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1701794575, now seen corresponding path program 1 times [2021-02-23 13:34:41,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:34:41,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460165845] [2021-02-23 13:34:41,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:34:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:41,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:41,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:41,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:41,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:41,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:41,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:34:41,882 WARN L141 QuantifierPusher]: treesize reduction 40, result has 40.3 percent of original size [2021-02-23 13:34:41,883 WARN L147 QuantifierPusher]: treesize reduction 40, result has 40.3 percent of original size 27 [2021-02-23 13:34:41,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:41,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:41,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:41,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:41,950 WARN L141 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-02-23 13:34:41,951 WARN L147 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size 22 [2021-02-23 13:34:41,967 WARN L141 QuantifierPusher]: treesize reduction 10, result has 50.0 percent of original size [2021-02-23 13:34:41,968 WARN L147 QuantifierPusher]: treesize reduction 10, result has 50.0 percent of original size 10 [2021-02-23 13:34:41,983 WARN L141 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-02-23 13:34:41,984 WARN L147 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size 1 [2021-02-23 13:34:41,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:41,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:34:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:42,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:34:42,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460165845] [2021-02-23 13:34:42,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134584227] [2021-02-23 13:34:42,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-23 13:34:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:34:42,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 31 conjunts are in the unsatisfiable core [2021-02-23 13:34:42,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-23 13:34:42,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:34:42,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 13:34:42,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 13:34:42,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:34:42,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:34:42,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:34:42,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:34:42,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:34:42,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:34:42,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:34:42,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 13:34:42,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:34:42,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 13:34:42,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-23 13:34:42,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:34:42,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 13:34:42,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:34:42,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 13:34:42,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-23 13:34:42,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:34:42,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 13:34:42,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:34:42,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 13:34:42,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-23 13:34:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-23 13:34:42,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2021-02-23 13:34:42,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 13:34:42,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 13:34:42,563 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-23 13:34:42,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-23 13:34:42,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2021-02-23 13:34:42,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 13:34:42,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 13:34:42,583 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-23 13:34:42,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-23 13:34:42,598 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-23 13:34:42,598 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:36, output treesize:22 [2021-02-23 13:34:42,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 13:34:42,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 13:34:42,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 13:34:42,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-23 13:34:42,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 13:34:42,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:34:42,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 13:34:42,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 13:34:42,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 13:34:42,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 13:34:42,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 13:34:42,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 13:34:42,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 13:34:42,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 13:34:42,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-23 13:34:42,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:34:42,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 13:34:42,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-02-23 13:34:42,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:34:42,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 13:34:42,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-02-23 13:34:42,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-02-23 13:34:42,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 13:34:42,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:34:42,679 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-23 13:34:42,689 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 13:34:42,691 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-23 13:34:42,691 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:25 [2021-02-23 13:34:42,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 13:34:42,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 13:34:42,716 WARN L141 QuantifierPusher]: treesize reduction 5, result has 85.7 percent of original size [2021-02-23 13:34:42,717 WARN L147 QuantifierPusher]: treesize reduction 5, result has 85.7 percent of original size 30 [2021-02-23 13:34:42,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:34:42,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:34:42,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:34:42,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-23 13:34:42,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 12 [2021-02-23 13:34:42,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666826206] [2021-02-23 13:34:42,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 13:34:42,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:34:42,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 13:34:42,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-02-23 13:34:42,754 INFO L87 Difference]: Start difference. First operand 118 states and 139 transitions. Second operand 12 states. [2021-02-23 13:34:43,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:34:43,682 INFO L93 Difference]: Finished difference Result 247 states and 296 transitions. [2021-02-23 13:34:43,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 13:34:43,683 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 33 [2021-02-23 13:34:43,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:34:43,685 INFO L225 Difference]: With dead ends: 247 [2021-02-23 13:34:43,685 INFO L226 Difference]: Without dead ends: 157 [2021-02-23 13:34:43,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-02-23 13:34:43,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-02-23 13:34:43,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 144. [2021-02-23 13:34:43,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2021-02-23 13:34:43,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 167 transitions. [2021-02-23 13:34:43,699 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 167 transitions. Word has length 33 [2021-02-23 13:34:43,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:34:43,699 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 167 transitions. [2021-02-23 13:34:43,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 13:34:43,699 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 167 transitions. [2021-02-23 13:34:43,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-23 13:34:43,700 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:34:43,700 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:34:43,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-02-23 13:34:43,914 INFO L428 AbstractCegarLoop]: === Iteration 9 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:34:43,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:34:43,915 INFO L82 PathProgramCache]: Analyzing trace with hash 51774791, now seen corresponding path program 1 times [2021-02-23 13:34:43,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:34:43,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062883619] [2021-02-23 13:34:43,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:34:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:34:43,934 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:34:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:34:43,948 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:34:43,974 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-23 13:34:43,974 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 13:34:43,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 13:34:44,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:34:44 BoogieIcfgContainer [2021-02-23 13:34:44,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:34:44,012 INFO L168 Benchmark]: Toolchain (without parser) took 9429.20 ms. Allocated memory was 151.0 MB in the beginning and 224.4 MB in the end (delta: 73.4 MB). Free memory was 125.1 MB in the beginning and 118.9 MB in the end (delta: 6.2 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. [2021-02-23 13:34:44,013 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:34:44,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.29 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 100.1 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:34:44,013 INFO L168 Benchmark]: Boogie Preprocessor took 173.40 ms. Allocated memory is still 151.0 MB. Free memory was 100.1 MB in the beginning and 130.8 MB in the end (delta: -30.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 8.0 GB. [2021-02-23 13:34:44,013 INFO L168 Benchmark]: RCFGBuilder took 1000.29 ms. Allocated memory is still 151.0 MB. Free memory was 130.8 MB in the beginning and 65.3 MB in the end (delta: 65.5 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:34:44,014 INFO L168 Benchmark]: TraceAbstraction took 7610.96 ms. Allocated memory was 151.0 MB in the beginning and 224.4 MB in the end (delta: 73.4 MB). Free memory was 65.3 MB in the beginning and 118.9 MB in the end (delta: -53.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 8.0 GB. [2021-02-23 13:34:44,015 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 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 626.29 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 100.1 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 173.40 ms. Allocated memory is still 151.0 MB. Free memory was 100.1 MB in the beginning and 130.8 MB in the end (delta: -30.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1000.29 ms. Allocated memory is still 151.0 MB. Free memory was 130.8 MB in the beginning and 65.3 MB in the end (delta: 65.5 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7610.96 ms. Allocated memory was 151.0 MB in the beginning and 224.4 MB in the end (delta: 73.4 MB). Free memory was 65.3 MB in the beginning and 118.9 MB in the end (delta: -53.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 565]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L638] struct list *data = ((void *)0); VAL [data={0:0}] [L639] COND TRUE __VERIFIER_nondet_int() [L640] struct node *node = malloc(sizeof *node); VAL [data={0:0}, malloc(sizeof *node)={-1:0}, node={-1:0}] [L641] COND FALSE !(!node) VAL [data={0:0}, malloc(sizeof *node)={-1:0}, node={-1:0}] [L643] node->next = node [L644] node->value = __VERIFIER_nondet_int() [L645] struct list *item = malloc(sizeof *item); VAL [data={0:0}, item={-3:0}, malloc(sizeof *item)={-3:0}, malloc(sizeof *node)={-1:0}, node={-1:0}] [L646] COND FALSE !(!item) VAL [data={0:0}, item={-3:0}, malloc(sizeof *item)={-3:0}, malloc(sizeof *node)={-1:0}, node={-1:0}] [L648] item->slist = node [L649] item->next = data [L650] data = item VAL [data={-3:0}, item={-3:0}, malloc(sizeof *item)={-3:0}, malloc(sizeof *node)={-1:0}, node={-1:0}] [L639] COND FALSE !(__VERIFIER_nondet_int()) [L652] COND FALSE !(!data) VAL [data={-3:0}, item={-3:0}, malloc(sizeof *item)={-3:0}, malloc(sizeof *node)={-1:0}, node={-1:0}] [L654] CALL inspect_before(data) VAL [shape={-3:0}] [L615] COND FALSE !(!(shape)) VAL [shape={-3:0}, shape={-3:0}] [L616] shape->next VAL [shape={-3:0}, shape={-3:0}, shape->next={0:0}] [L616] COND FALSE !(shape->next) [L622] COND FALSE !(!(shape)) VAL [shape={-3:0}, shape={-3:0}] [L623] EXPR shape->next VAL [shape={-3:0}, shape={-3:0}, shape->next={0:0}] [L623] COND FALSE !(!(shape->next == ((void *)0))) [L624] EXPR shape->slist VAL [shape={-3:0}, shape={-3:0}, shape->slist={-1:0}] [L624] COND FALSE !(!(shape->slist)) [L625] EXPR shape->slist [L625] EXPR shape->slist->next VAL [shape={-3:0}, shape={-3:0}, shape->slist={-1:0}, shape->slist->next={-1:0}] [L625] COND TRUE !(shape->slist->next == ((void *)0)) [L625] CALL fail() [L565] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 124 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.4s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 901 SDtfs, 1071 SDslu, 1310 SDs, 0 SdLazy, 2817 SolverSat, 245 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 151 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 35676 SizeOfPredicates, 9 NumberOfNonLiveVariables, 163 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 10/14 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...