/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-b7b32d2 [2021-02-21 16:08:48,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 16:08:48,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 16:08:48,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 16:08:48,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 16:08:48,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 16:08:48,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 16:08:48,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 16:08:48,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 16:08:48,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 16:08:48,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 16:08:48,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 16:08:48,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 16:08:48,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 16:08:48,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 16:08:48,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 16:08:48,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 16:08:48,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 16:08:48,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 16:08:48,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 16:08:48,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 16:08:48,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 16:08:48,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 16:08:48,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 16:08:48,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 16:08:48,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 16:08:48,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 16:08:48,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 16:08:48,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 16:08:48,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 16:08:48,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 16:08:48,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 16:08:48,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 16:08:48,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 16:08:48,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 16:08:48,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 16:08:48,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 16:08:48,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 16:08:48,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 16:08:48,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 16:08:48,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 16:08:48,663 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-21 16:08:48,698 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 16:08:48,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 16:08:48,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 16:08:48,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 16:08:48,701 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 16:08:48,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 16:08:48,701 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 16:08:48,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 16:08:48,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 16:08:48,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 16:08:48,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 16:08:48,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 16:08:48,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 16:08:48,702 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 16:08:48,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 16:08:48,703 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 16:08:48,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 16:08:48,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 16:08:48,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 16:08:48,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 16:08:48,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:08:48,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 16:08:48,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 16:08:48,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 16:08:48,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 16:08:48,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 16:08:48,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 16:08:48,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 16:08:48,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 16:08:49,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 16:08:49,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 16:08:49,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 16:08:49,164 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 16:08:49,165 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 16:08:49,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/merge_sort-1.i [2021-02-21 16:08:49,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fd6b818e/e275899bfe8c4c29a08d2532d78d64cc/FLAGd92f7a19b [2021-02-21 16:08:49,935 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 16:08:49,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/merge_sort-1.i [2021-02-21 16:08:49,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fd6b818e/e275899bfe8c4c29a08d2532d78d64cc/FLAGd92f7a19b [2021-02-21 16:08:50,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fd6b818e/e275899bfe8c4c29a08d2532d78d64cc [2021-02-21 16:08:50,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 16:08:50,220 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 16:08:50,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 16:08:50,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 16:08:50,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 16:08:50,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:08:50" (1/1) ... [2021-02-21 16:08:50,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ff8e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:08:50, skipping insertion in model container [2021-02-21 16:08:50,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:08:50" (1/1) ... [2021-02-21 16:08:50,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 16:08:50,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 16:08:50,667 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] [2021-02-21 16:08:50,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:08:50,757 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 16:08:50,827 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] [2021-02-21 16:08:50,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:08:50,945 INFO L208 MainTranslator]: Completed translation [2021-02-21 16:08:50,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:08:50 WrapperNode [2021-02-21 16:08:50,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 16:08:50,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 16:08:50,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 16:08:50,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 16:08:50,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:08:50" (1/1) ... [2021-02-21 16:08:50,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:08:50" (1/1) ... [2021-02-21 16:08:51,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:08:50" (1/1) ... [2021-02-21 16:08:51,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:08:50" (1/1) ... [2021-02-21 16:08:51,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:08:50" (1/1) ... [2021-02-21 16:08:51,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:08:50" (1/1) ... [2021-02-21 16:08:51,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:08:50" (1/1) ... [2021-02-21 16:08:51,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 16:08:51,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 16:08:51,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 16:08:51,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 16:08:51,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:08:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:08:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 16:08:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 16:08:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 16:08:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-21 16:08:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-21 16:08:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-02-21 16:08:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_single_node [2021-02-21 16:08:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_pair [2021-02-21 16:08:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sort_core [2021-02-21 16:08:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_before [2021-02-21 16:08:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_after [2021-02-21 16:08:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 16:08:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 16:08:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 16:08:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 16:08:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 16:08:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 16:08:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 16:08:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-21 16:08:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-21 16:08:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-21 16:08:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-21 16:08:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-21 16:08:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-21 16:08:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-21 16:08:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-21 16:08:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-21 16:08:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-21 16:08:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-21 16:08:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-21 16:08:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-21 16:08:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-21 16:08:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-21 16:08:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-21 16:08:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-21 16:08:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-21 16:08:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-21 16:08:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-21 16:08:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-21 16:08:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-21 16:08:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-21 16:08:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-21 16:08:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-21 16:08:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-21 16:08:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-21 16:08:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-21 16:08:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-21 16:08:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-21 16:08:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-21 16:08:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-21 16:08:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-21 16:08:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-21 16:08:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-21 16:08:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-21 16:08:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-21 16:08:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-21 16:08:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-21 16:08:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-21 16:08:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-21 16:08:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-21 16:08:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-21 16:08:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-21 16:08:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-21 16:08:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-21 16:08:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-21 16:08:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-21 16:08:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-21 16:08:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-21 16:08:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-21 16:08:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-21 16:08:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 16:08:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-21 16:08:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-21 16:08:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 16:08:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-21 16:08:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-21 16:08:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-21 16:08:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-21 16:08:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-21 16:08:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-21 16:08:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-21 16:08:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-21 16:08:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-21 16:08:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-21 16:08:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-21 16:08:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-21 16:08:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-21 16:08:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-21 16:08:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-21 16:08:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-21 16:08:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-21 16:08:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-21 16:08:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-21 16:08:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-21 16:08:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-21 16:08:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-21 16:08:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-21 16:08:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-21 16:08:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-21 16:08:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-21 16:08:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-21 16:08:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-21 16:08:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-21 16:08:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-21 16:08:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-21 16:08:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-21 16:08:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-21 16:08:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-21 16:08:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-21 16:08:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-21 16:08:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-21 16:08:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-21 16:08:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-21 16:08:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-21 16:08:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-21 16:08:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-21 16:08:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-21 16:08:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-21 16:08:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-21 16:08:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 16:08:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-02-21 16:08:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure merge_single_node [2021-02-21 16:08:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 16:08:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 16:08:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure merge_pair [2021-02-21 16:08:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 16:08:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 16:08:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sort_core [2021-02-21 16:08:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_before [2021-02-21 16:08:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_after [2021-02-21 16:08:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 16:08:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 16:08:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 16:08:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 16:08:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 16:08:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 16:08:52,378 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 16:08:52,381 INFO L299 CfgBuilder]: Removed 33 assume(true) statements. [2021-02-21 16:08:52,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:08:52 BoogieIcfgContainer [2021-02-21 16:08:52,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 16:08:52,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 16:08:52,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 16:08:52,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 16:08:52,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 04:08:50" (1/3) ... [2021-02-21 16:08:52,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dec81ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:08:52, skipping insertion in model container [2021-02-21 16:08:52,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:08:50" (2/3) ... [2021-02-21 16:08:52,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dec81ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:08:52, skipping insertion in model container [2021-02-21 16:08:52,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:08:52" (3/3) ... [2021-02-21 16:08:52,405 INFO L111 eAbstractionObserver]: Analyzing ICFG merge_sort-1.i [2021-02-21 16:08:52,418 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 16:08:52,424 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 16:08:52,444 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 16:08:52,474 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 16:08:52,474 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 16:08:52,474 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 16:08:52,474 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 16:08:52,475 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 16:08:52,475 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 16:08:52,475 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 16:08:52,475 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 16:08:52,497 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2021-02-21 16:08:52,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-02-21 16:08:52,504 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:08:52,504 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:08:52,505 INFO L428 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:08:52,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:08:52,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1873628423, now seen corresponding path program 1 times [2021-02-21 16:08:52,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:08:52,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168556695] [2021-02-21 16:08:52,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:08:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:52,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:52,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:52,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:52,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:52,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:08:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:52,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:52,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:52,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:08:52,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168556695] [2021-02-21 16:08:52,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:08:52,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-21 16:08:52,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853596731] [2021-02-21 16:08:52,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-21 16:08:52,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:08:52,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-21 16:08:52,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-21 16:08:52,783 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 3 states. [2021-02-21 16:08:53,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:08:53,208 INFO L93 Difference]: Finished difference Result 240 states and 408 transitions. [2021-02-21 16:08:53,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-21 16:08:53,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2021-02-21 16:08:53,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:08:53,223 INFO L225 Difference]: With dead ends: 240 [2021-02-21 16:08:53,224 INFO L226 Difference]: Without dead ends: 118 [2021-02-21 16:08:53,230 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 [2021-02-21 16:08:53,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-02-21 16:08:53,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 103. [2021-02-21 16:08:53,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2021-02-21 16:08:53,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 126 transitions. [2021-02-21 16:08:53,293 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 126 transitions. Word has length 13 [2021-02-21 16:08:53,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:08:53,293 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 126 transitions. [2021-02-21 16:08:53,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-21 16:08:53,294 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 126 transitions. [2021-02-21 16:08:53,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-02-21 16:08:53,295 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:08:53,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:08:53,295 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 16:08:53,295 INFO L428 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:08:53,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:08:53,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1114718314, now seen corresponding path program 1 times [2021-02-21 16:08:53,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:08:53,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022941572] [2021-02-21 16:08:53,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:08:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:53,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:53,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:53,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:53,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:53,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:53,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:53,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:08:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:53,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:53,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:53,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:08:53,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022941572] [2021-02-21 16:08:53,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:08:53,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 16:08:53,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506974696] [2021-02-21 16:08:53,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 16:08:53,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:08:53,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 16:08:53,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 16:08:53,467 INFO L87 Difference]: Start difference. First operand 103 states and 126 transitions. Second operand 4 states. [2021-02-21 16:08:53,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:08:53,930 INFO L93 Difference]: Finished difference Result 206 states and 255 transitions. [2021-02-21 16:08:53,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 16:08:53,931 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2021-02-21 16:08:53,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:08:53,934 INFO L225 Difference]: With dead ends: 206 [2021-02-21 16:08:53,934 INFO L226 Difference]: Without dead ends: 115 [2021-02-21 16:08:53,936 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 [2021-02-21 16:08:53,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-02-21 16:08:53,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 105. [2021-02-21 16:08:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2021-02-21 16:08:53,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 128 transitions. [2021-02-21 16:08:53,955 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 128 transitions. Word has length 14 [2021-02-21 16:08:53,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:08:53,956 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 128 transitions. [2021-02-21 16:08:53,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 16:08:53,959 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 128 transitions. [2021-02-21 16:08:53,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-02-21 16:08:53,960 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:08:53,960 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:08:53,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 16:08:53,960 INFO L428 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:08:53,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:08:53,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1701663073, now seen corresponding path program 1 times [2021-02-21 16:08:53,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:08:53,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466586636] [2021-02-21 16:08:53,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:08:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:54,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:54,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:54,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:54,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:08:54,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:54,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:08:54,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:54,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:08:54,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:54,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:08:54,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:54,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:54,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:08:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:54,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:54,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:54,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:08:54,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466586636] [2021-02-21 16:08:54,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:08:54,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 16:08:54,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845905000] [2021-02-21 16:08:54,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 16:08:54,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:08:54,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 16:08:54,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-21 16:08:54,131 INFO L87 Difference]: Start difference. First operand 105 states and 128 transitions. Second operand 7 states. [2021-02-21 16:08:54,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:08:54,770 INFO L93 Difference]: Finished difference Result 157 states and 194 transitions. [2021-02-21 16:08:54,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 16:08:54,771 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2021-02-21 16:08:54,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:08:54,776 INFO L225 Difference]: With dead ends: 157 [2021-02-21 16:08:54,776 INFO L226 Difference]: Without dead ends: 152 [2021-02-21 16:08:54,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-02-21 16:08:54,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-02-21 16:08:54,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 108. [2021-02-21 16:08:54,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2021-02-21 16:08:54,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 131 transitions. [2021-02-21 16:08:54,793 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 131 transitions. Word has length 20 [2021-02-21 16:08:54,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:08:54,793 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 131 transitions. [2021-02-21 16:08:54,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 16:08:54,794 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 131 transitions. [2021-02-21 16:08:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-21 16:08:54,795 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:08:54,795 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] [2021-02-21 16:08:54,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 16:08:54,795 INFO L428 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:08:54,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:08:54,796 INFO L82 PathProgramCache]: Analyzing trace with hash 187186628, now seen corresponding path program 1 times [2021-02-21 16:08:54,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:08:54,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385772539] [2021-02-21 16:08:54,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:08:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:54,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:54,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:54,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:54,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 16:08:54,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:54,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:08:54,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:54,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:08:54,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:54,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:54,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:08:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:54,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:54,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:54,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-21 16:08:54,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385772539] [2021-02-21 16:08:54,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:08:54,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-21 16:08:54,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396448788] [2021-02-21 16:08:54,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 16:08:54,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:08:54,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 16:08:54,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:08:54,935 INFO L87 Difference]: Start difference. First operand 108 states and 131 transitions. Second operand 6 states. [2021-02-21 16:08:55,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:08:55,422 INFO L93 Difference]: Finished difference Result 116 states and 141 transitions. [2021-02-21 16:08:55,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-21 16:08:55,423 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2021-02-21 16:08:55,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:08:55,424 INFO L225 Difference]: With dead ends: 116 [2021-02-21 16:08:55,424 INFO L226 Difference]: Without dead ends: 113 [2021-02-21 16:08:55,425 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 [2021-02-21 16:08:55,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-02-21 16:08:55,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 107. [2021-02-21 16:08:55,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2021-02-21 16:08:55,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 129 transitions. [2021-02-21 16:08:55,439 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 129 transitions. Word has length 27 [2021-02-21 16:08:55,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:08:55,439 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 129 transitions. [2021-02-21 16:08:55,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 16:08:55,439 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2021-02-21 16:08:55,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-21 16:08:55,440 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:08:55,441 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] [2021-02-21 16:08:55,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 16:08:55,441 INFO L428 AbstractCegarLoop]: === Iteration 5 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:08:55,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:08:55,441 INFO L82 PathProgramCache]: Analyzing trace with hash 512602618, now seen corresponding path program 1 times [2021-02-21 16:08:55,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:08:55,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460411747] [2021-02-21 16:08:55,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:08:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:55,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:55,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:55,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:55,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 16:08:55,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:55,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 16:08:55,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:55,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:55,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:55,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:55,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:08:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:55,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:55,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:55,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-21 16:08:55,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460411747] [2021-02-21 16:08:55,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:08:55,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-21 16:08:55,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246170236] [2021-02-21 16:08:55,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 16:08:55,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:08:55,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 16:08:55,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:08:55,548 INFO L87 Difference]: Start difference. First operand 107 states and 129 transitions. Second operand 6 states. [2021-02-21 16:08:56,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:08:56,019 INFO L93 Difference]: Finished difference Result 115 states and 139 transitions. [2021-02-21 16:08:56,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-21 16:08:56,019 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2021-02-21 16:08:56,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:08:56,021 INFO L225 Difference]: With dead ends: 115 [2021-02-21 16:08:56,021 INFO L226 Difference]: Without dead ends: 112 [2021-02-21 16:08:56,022 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 [2021-02-21 16:08:56,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-02-21 16:08:56,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2021-02-21 16:08:56,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-02-21 16:08:56,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 127 transitions. [2021-02-21 16:08:56,034 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 127 transitions. Word has length 27 [2021-02-21 16:08:56,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:08:56,034 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 127 transitions. [2021-02-21 16:08:56,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 16:08:56,035 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 127 transitions. [2021-02-21 16:08:56,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-21 16:08:56,036 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:08:56,036 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] [2021-02-21 16:08:56,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 16:08:56,036 INFO L428 AbstractCegarLoop]: === Iteration 6 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:08:56,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:08:56,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1372736698, now seen corresponding path program 1 times [2021-02-21 16:08:56,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:08:56,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019325507] [2021-02-21 16:08:56,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:08:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:56,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:56,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:56,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:56,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:08:56,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:56,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:08:56,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:56,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-21 16:08:56,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:56,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-21 16:08:56,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:56,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-21 16:08:56,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:56,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:08:56,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:56,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:56,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:08:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:56,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:56,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:56,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:08:56,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019325507] [2021-02-21 16:08:56,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:08:56,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 16:08:56,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660753374] [2021-02-21 16:08:56,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 16:08:56,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:08:56,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 16:08:56,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-02-21 16:08:56,171 INFO L87 Difference]: Start difference. First operand 106 states and 127 transitions. Second operand 9 states. [2021-02-21 16:08:56,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:08:56,943 INFO L93 Difference]: Finished difference Result 147 states and 177 transitions. [2021-02-21 16:08:56,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-21 16:08:56,944 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2021-02-21 16:08:56,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:08:56,946 INFO L225 Difference]: With dead ends: 147 [2021-02-21 16:08:56,946 INFO L226 Difference]: Without dead ends: 144 [2021-02-21 16:08:56,947 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 [2021-02-21 16:08:56,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-02-21 16:08:56,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 112. [2021-02-21 16:08:56,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-02-21 16:08:56,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 133 transitions. [2021-02-21 16:08:56,961 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 133 transitions. Word has length 30 [2021-02-21 16:08:56,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:08:56,962 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 133 transitions. [2021-02-21 16:08:56,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 16:08:56,962 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 133 transitions. [2021-02-21 16:08:56,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-21 16:08:56,963 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:08:56,963 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] [2021-02-21 16:08:56,964 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-21 16:08:56,964 INFO L428 AbstractCegarLoop]: === Iteration 7 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:08:56,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:08:56,964 INFO L82 PathProgramCache]: Analyzing trace with hash -2135294117, now seen corresponding path program 1 times [2021-02-21 16:08:56,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:08:56,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172123316] [2021-02-21 16:08:56,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:08:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:57,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:57,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:57,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:57,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:08:57,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:57,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:08:57,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:57,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-21 16:08:57,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:57,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-21 16:08:57,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:57,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-21 16:08:57,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:57,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:08:57,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:57,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:57,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:08:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:57,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:57,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:57,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:08:57,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172123316] [2021-02-21 16:08:57,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:08:57,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 16:08:57,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856869644] [2021-02-21 16:08:57,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 16:08:57,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:08:57,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 16:08:57,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-02-21 16:08:57,095 INFO L87 Difference]: Start difference. First operand 112 states and 133 transitions. Second operand 9 states. [2021-02-21 16:08:57,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:08:57,782 INFO L93 Difference]: Finished difference Result 146 states and 175 transitions. [2021-02-21 16:08:57,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-21 16:08:57,783 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2021-02-21 16:08:57,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:08:57,792 INFO L225 Difference]: With dead ends: 146 [2021-02-21 16:08:57,792 INFO L226 Difference]: Without dead ends: 143 [2021-02-21 16:08:57,793 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 [2021-02-21 16:08:57,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-02-21 16:08:57,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 118. [2021-02-21 16:08:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-02-21 16:08:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 139 transitions. [2021-02-21 16:08:57,811 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 139 transitions. Word has length 30 [2021-02-21 16:08:57,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:08:57,812 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 139 transitions. [2021-02-21 16:08:57,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 16:08:57,813 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 139 transitions. [2021-02-21 16:08:57,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-21 16:08:57,823 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:08:57,823 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:08:57,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-21 16:08:57,824 INFO L428 AbstractCegarLoop]: === Iteration 8 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:08:57,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:08:57,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1701794575, now seen corresponding path program 1 times [2021-02-21 16:08:57,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:08:57,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550557907] [2021-02-21 16:08:57,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:08:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:57,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:57,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:57,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:57,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:08:58,019 WARN L141 QuantifierPusher]: treesize reduction 40, result has 40.3 percent of original size [2021-02-21 16:08:58,021 WARN L147 QuantifierPusher]: treesize reduction 40, result has 40.3 percent of original size 27 [2021-02-21 16:08:58,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,075 WARN L141 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-02-21 16:08:58,077 WARN L147 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size 22 [2021-02-21 16:08:58,094 WARN L141 QuantifierPusher]: treesize reduction 10, result has 50.0 percent of original size [2021-02-21 16:08:58,095 WARN L147 QuantifierPusher]: treesize reduction 10, result has 50.0 percent of original size 10 [2021-02-21 16:08:58,110 WARN L141 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-02-21 16:08:58,111 WARN L147 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size 1 [2021-02-21 16:08:58,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:08:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:58,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:08:58,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550557907] [2021-02-21 16:08:58,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945578174] [2021-02-21 16:08:58,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-21 16:08:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:08:58,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 31 conjunts are in the unsatisfiable core [2021-02-21 16:08:58,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-21 16:08:58,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:08:58,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 16:08:58,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 16:08:58,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:08:58,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:08:58,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:08:58,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:08:58,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:08:58,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:08:58,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:08:58,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 16:08:58,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:08:58,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 16:08:58,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-21 16:08:58,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:08:58,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 16:08:58,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:08:58,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 16:08:58,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-21 16:08:58,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:08:58,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 16:08:58,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:08:58,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 16:08:58,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-21 16:08:58,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-21 16:08:58,580 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 [2021-02-21 16:08:58,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 16:08:58,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 16:08:58,583 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-21 16:08:58,593 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-21 16:08:58,599 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 [2021-02-21 16:08:58,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 16:08:58,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 16:08:58,602 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-21 16:08:58,612 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-21 16:08:58,616 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-21 16:08:58,616 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:36, output treesize:22 [2021-02-21 16:08:58,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 16:08:58,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 16:08:58,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 16:08:58,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-21 16:08:58,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 16:08:58,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 16:08:58,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 16:08:58,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 16:08:58,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 16:08:58,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 16:08:58,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 16:08:58,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 16:08:58,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 16:08:58,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 16:08:58,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-21 16:08:58,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:08:58,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 16:08:58,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-02-21 16:08:58,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:08:58,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 16:08:58,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-02-21 16:08:58,695 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 [2021-02-21 16:08:58,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-21 16:08:58,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:08:58,698 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-21 16:08:58,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 16:08:58,709 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-21 16:08:58,709 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:25 [2021-02-21 16:08:58,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 16:08:58,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 16:08:58,734 WARN L141 QuantifierPusher]: treesize reduction 5, result has 85.7 percent of original size [2021-02-21 16:08:58,735 WARN L147 QuantifierPusher]: treesize reduction 5, result has 85.7 percent of original size 30 [2021-02-21 16:08:58,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:08:58,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:08:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:08:58,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-21 16:08:58,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 12 [2021-02-21 16:08:58,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229472705] [2021-02-21 16:08:58,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-21 16:08:58,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:08:58,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-21 16:08:58,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-02-21 16:08:58,782 INFO L87 Difference]: Start difference. First operand 118 states and 139 transitions. Second operand 12 states. [2021-02-21 16:08:59,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:08:59,774 INFO L93 Difference]: Finished difference Result 247 states and 296 transitions. [2021-02-21 16:08:59,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-21 16:08:59,775 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 33 [2021-02-21 16:08:59,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:08:59,777 INFO L225 Difference]: With dead ends: 247 [2021-02-21 16:08:59,777 INFO L226 Difference]: Without dead ends: 157 [2021-02-21 16:08:59,778 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 [2021-02-21 16:08:59,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-02-21 16:08:59,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 144. [2021-02-21 16:08:59,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2021-02-21 16:08:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 167 transitions. [2021-02-21 16:08:59,792 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 167 transitions. Word has length 33 [2021-02-21 16:08:59,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:08:59,793 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 167 transitions. [2021-02-21 16:08:59,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-21 16:08:59,793 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 167 transitions. [2021-02-21 16:08:59,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-21 16:08:59,794 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:08:59,794 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:09:00,007 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-02-21 16:09:00,008 INFO L428 AbstractCegarLoop]: === Iteration 9 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:09:00,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:09:00,009 INFO L82 PathProgramCache]: Analyzing trace with hash 51774791, now seen corresponding path program 1 times [2021-02-21 16:09:00,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:09:00,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604437323] [2021-02-21 16:09:00,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:09:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 16:09:00,032 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 16:09:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 16:09:00,047 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 16:09:00,074 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-21 16:09:00,075 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-21 16:09:00,075 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-21 16:09:00,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 04:09:00 BoogieIcfgContainer [2021-02-21 16:09:00,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 16:09:00,115 INFO L168 Benchmark]: Toolchain (without parser) took 9912.01 ms. Allocated memory was 156.2 MB in the beginning and 235.9 MB in the end (delta: 79.7 MB). Free memory was 129.8 MB in the beginning and 101.8 MB in the end (delta: 28.1 MB). Peak memory consumption was 108.6 MB. Max. memory is 8.0 GB. [2021-02-21 16:09:00,115 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 156.2 MB. Free memory is still 128.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 16:09:00,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.22 ms. Allocated memory is still 156.2 MB. Free memory was 128.8 MB in the beginning and 104.9 MB in the end (delta: 23.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:09:00,116 INFO L168 Benchmark]: Boogie Preprocessor took 193.33 ms. Allocated memory is still 156.2 MB. Free memory was 104.9 MB in the beginning and 136.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:09:00,117 INFO L168 Benchmark]: RCFGBuilder took 1245.54 ms. Allocated memory is still 156.2 MB. Free memory was 136.6 MB in the beginning and 71.6 MB in the end (delta: 65.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. [2021-02-21 16:09:00,117 INFO L168 Benchmark]: TraceAbstraction took 7723.84 ms. Allocated memory was 156.2 MB in the beginning and 235.9 MB in the end (delta: 79.7 MB). Free memory was 71.1 MB in the beginning and 101.8 MB in the end (delta: -30.7 MB). Peak memory consumption was 50.0 MB. Max. memory is 8.0 GB. [2021-02-21 16:09:00,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 156.2 MB. Free memory is still 128.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 721.22 ms. Allocated memory is still 156.2 MB. Free memory was 128.8 MB in the beginning and 104.9 MB in the end (delta: 23.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 193.33 ms. Allocated memory is still 156.2 MB. Free memory was 104.9 MB in the beginning and 136.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1245.54 ms. Allocated memory is still 156.2 MB. Free memory was 136.6 MB in the beginning and 71.6 MB in the end (delta: 65.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7723.84 ms. Allocated memory was 156.2 MB in the beginning and 235.9 MB in the end (delta: 79.7 MB). Free memory was 71.1 MB in the beginning and 101.8 MB in the end (delta: -30.7 MB). Peak memory consumption was 50.0 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: 7.6s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 5.0s, 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, 3.1s 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, 1.4s 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...