java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-queue-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:28:51,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:28:51,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:28:51,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:28:51,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:28:51,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:28:51,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:28:51,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:28:51,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:28:51,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:28:51,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:28:51,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:28:51,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:28:51,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:28:51,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:28:51,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:28:51,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:28:51,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:28:51,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:28:51,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:28:51,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:28:51,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:28:51,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:28:51,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:28:51,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:28:51,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:28:51,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:28:51,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:28:51,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:28:51,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:28:51,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:28:51,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:28:51,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:28:51,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:28:51,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:28:51,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:28:51,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:28:51,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:28:51,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:28:51,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:28:51,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:28:51,552 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:28:51,566 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:28:51,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:28:51,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:28:51,567 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:28:51,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:28:51,568 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:28:51,568 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:28:51,568 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:28:51,569 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:28:51,569 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:28:51,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:28:51,570 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:28:51,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:28:51,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:28:51,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:28:51,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:28:51,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:28:51,571 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:28:51,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:28:51,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:28:51,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:28:51,572 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:28:51,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:28:51,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:28:51,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:28:51,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:28:51,573 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:28:51,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:28:51,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:28:51,573 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:28:51,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:28:51,613 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:28:51,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:28:51,617 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:28:51,618 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:28:51,618 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-queue-1.i [2019-09-20 13:28:51,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9af34d254/ea901a336bb34d94b81d896b1cd581ff/FLAG842fcb1bb [2019-09-20 13:28:52,147 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:28:52,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-queue-1.i [2019-09-20 13:28:52,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9af34d254/ea901a336bb34d94b81d896b1cd581ff/FLAG842fcb1bb [2019-09-20 13:28:52,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9af34d254/ea901a336bb34d94b81d896b1cd581ff [2019-09-20 13:28:52,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:28:52,497 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:28:52,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:28:52,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:28:52,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:28:52,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:52" (1/1) ... [2019-09-20 13:28:52,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6c1520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:52, skipping insertion in model container [2019-09-20 13:28:52,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:52" (1/1) ... [2019-09-20 13:28:52,513 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:28:52,567 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:28:53,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:28:53,113 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:28:53,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:28:53,221 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:28:53,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:53 WrapperNode [2019-09-20 13:28:53,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:28:53,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:28:53,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:28:53,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:28:53,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:53" (1/1) ... [2019-09-20 13:28:53,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:53" (1/1) ... [2019-09-20 13:28:53,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:53" (1/1) ... [2019-09-20 13:28:53,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:53" (1/1) ... [2019-09-20 13:28:53,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:53" (1/1) ... [2019-09-20 13:28:53,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:53" (1/1) ... [2019-09-20 13:28:53,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:53" (1/1) ... [2019-09-20 13:28:53,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:28:53,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:28:53,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:28:53,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:28:53,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:53" (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 [2019-09-20 13:28:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:28:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:28:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:28:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 13:28:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 13:28:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 13:28:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 13:28:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 13:28:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 13:28:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 13:28:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 13:28:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 13:28:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 13:28:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 13:28:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 13:28:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 13:28:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 13:28:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 13:28:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 13:28:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 13:28:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 13:28:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 13:28:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 13:28:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 13:28:53,366 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 13:28:53,366 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 13:28:53,366 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 13:28:53,366 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 13:28:53,366 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 13:28:53,366 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 13:28:53,366 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 13:28:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 13:28:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 13:28:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 13:28:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 13:28:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 13:28:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 13:28:53,368 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 13:28:53,368 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 13:28:53,368 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 13:28:53,368 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 13:28:53,368 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 13:28:53,368 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 13:28:53,368 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 13:28:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 13:28:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 13:28:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 13:28:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 13:28:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 13:28:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 13:28:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 13:28:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 13:28:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 13:28:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:28:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:28:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 13:28:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:28:53,371 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 13:28:53,371 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 13:28:53,371 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 13:28:53,371 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 13:28:53,371 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 13:28:53,371 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 13:28:53,372 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 13:28:53,372 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 13:28:53,372 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 13:28:53,372 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 13:28:53,372 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 13:28:53,372 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 13:28:53,373 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 13:28:53,373 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 13:28:53,373 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 13:28:53,373 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 13:28:53,373 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 13:28:53,373 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 13:28:53,374 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 13:28:53,374 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 13:28:53,374 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 13:28:53,374 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 13:28:53,374 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 13:28:53,374 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 13:28:53,375 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 13:28:53,375 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 13:28:53,375 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 13:28:53,375 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 13:28:53,375 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 13:28:53,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 13:28:53,375 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 13:28:53,376 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 13:28:53,376 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 13:28:53,376 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 13:28:53,376 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 13:28:53,376 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 13:28:53,376 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 13:28:53,377 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 13:28:53,377 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 13:28:53,377 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 13:28:53,377 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 13:28:53,377 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 13:28:53,377 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 13:28:53,377 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 13:28:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 13:28:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 13:28:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 13:28:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 13:28:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 13:28:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:28:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:28:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:28:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:28:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:28:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:28:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:28:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:28:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:28:53,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:28:53,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:28:54,041 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:28:54,041 INFO L283 CfgBuilder]: Removed 31 assume(true) statements. [2019-09-20 13:28:54,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:54 BoogieIcfgContainer [2019-09-20 13:28:54,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:28:54,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:28:54,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:28:54,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:28:54,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:28:52" (1/3) ... [2019-09-20 13:28:54,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abf157a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:28:54, skipping insertion in model container [2019-09-20 13:28:54,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:53" (2/3) ... [2019-09-20 13:28:54,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abf157a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:28:54, skipping insertion in model container [2019-09-20 13:28:54,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:54" (3/3) ... [2019-09-20 13:28:54,052 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-queue-1.i [2019-09-20 13:28:54,062 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:28:54,070 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2019-09-20 13:28:54,087 INFO L252 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2019-09-20 13:28:54,117 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:28:54,117 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:28:54,117 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:28:54,117 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:28:54,118 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:28:54,119 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:28:54,122 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:28:54,122 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:28:54,145 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2019-09-20 13:28:54,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-09-20 13:28:54,155 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:28:54,158 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:28:54,161 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:28:54,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:28:54,167 INFO L82 PathProgramCache]: Analyzing trace with hash 307953290, now seen corresponding path program 1 times [2019-09-20 13:28:54,169 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:28:54,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:54,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:28:54,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:54,233 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:28:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:28:54,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:28:54,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:28:54,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:28:54,364 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:28:54,368 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:28:54,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:28:54,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:28:54,381 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 2 states. [2019-09-20 13:28:54,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:28:54,408 INFO L93 Difference]: Finished difference Result 80 states and 92 transitions. [2019-09-20 13:28:54,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:28:54,409 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-09-20 13:28:54,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:28:54,421 INFO L225 Difference]: With dead ends: 80 [2019-09-20 13:28:54,421 INFO L226 Difference]: Without dead ends: 74 [2019-09-20 13:28:54,423 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:28:54,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-09-20 13:28:54,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-09-20 13:28:54,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-09-20 13:28:54,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 85 transitions. [2019-09-20 13:28:54,470 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 85 transitions. Word has length 9 [2019-09-20 13:28:54,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:28:54,470 INFO L475 AbstractCegarLoop]: Abstraction has 74 states and 85 transitions. [2019-09-20 13:28:54,470 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:28:54,470 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2019-09-20 13:28:54,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-20 13:28:54,471 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:28:54,471 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:28:54,472 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:28:54,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:28:54,473 INFO L82 PathProgramCache]: Analyzing trace with hash 954861691, now seen corresponding path program 1 times [2019-09-20 13:28:54,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:28:54,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:54,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:28:54,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:54,478 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:28:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:28:54,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:28:54,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:28:54,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:28:54,557 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:28:54,558 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:28:54,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:28:54,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:28:54,559 INFO L87 Difference]: Start difference. First operand 74 states and 85 transitions. Second operand 3 states. [2019-09-20 13:28:54,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:28:54,610 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2019-09-20 13:28:54,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:28:54,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-09-20 13:28:54,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:28:54,612 INFO L225 Difference]: With dead ends: 64 [2019-09-20 13:28:54,612 INFO L226 Difference]: Without dead ends: 64 [2019-09-20 13:28:54,613 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:28:54,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-09-20 13:28:54,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2019-09-20 13:28:54,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-09-20 13:28:54,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 75 transitions. [2019-09-20 13:28:54,621 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 75 transitions. Word has length 10 [2019-09-20 13:28:54,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:28:54,622 INFO L475 AbstractCegarLoop]: Abstraction has 64 states and 75 transitions. [2019-09-20 13:28:54,622 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:28:54,622 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2019-09-20 13:28:54,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-09-20 13:28:54,641 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:28:54,641 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:28:54,643 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:28:54,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:28:54,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1500729684, now seen corresponding path program 1 times [2019-09-20 13:28:54,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:28:54,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:54,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:28:54,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:54,651 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:28:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:28:54,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:28:54,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:28:54,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:28:54,745 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:28:54,746 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:28:54,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:28:54,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:28:54,746 INFO L87 Difference]: Start difference. First operand 64 states and 75 transitions. Second operand 3 states. [2019-09-20 13:28:54,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:28:54,796 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2019-09-20 13:28:54,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:28:54,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-09-20 13:28:54,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:28:54,799 INFO L225 Difference]: With dead ends: 62 [2019-09-20 13:28:54,799 INFO L226 Difference]: Without dead ends: 62 [2019-09-20 13:28:54,800 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:28:54,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-09-20 13:28:54,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-09-20 13:28:54,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-09-20 13:28:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions. [2019-09-20 13:28:54,810 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 73 transitions. Word has length 12 [2019-09-20 13:28:54,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:28:54,810 INFO L475 AbstractCegarLoop]: Abstraction has 62 states and 73 transitions. [2019-09-20 13:28:54,811 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:28:54,811 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions. [2019-09-20 13:28:54,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-09-20 13:28:54,816 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:28:54,816 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:28:54,817 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:28:54,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:28:54,817 INFO L82 PathProgramCache]: Analyzing trace with hash 858835281, now seen corresponding path program 1 times [2019-09-20 13:28:54,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:28:54,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:54,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:28:54,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:54,823 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:28:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:28:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:28:54,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:28:54,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:28:54,890 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:28:54,890 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:28:54,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:28:54,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:28:54,891 INFO L87 Difference]: Start difference. First operand 62 states and 73 transitions. Second operand 3 states. [2019-09-20 13:28:54,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:28:54,955 INFO L93 Difference]: Finished difference Result 78 states and 92 transitions. [2019-09-20 13:28:54,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:28:54,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-09-20 13:28:54,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:28:54,958 INFO L225 Difference]: With dead ends: 78 [2019-09-20 13:28:54,958 INFO L226 Difference]: Without dead ends: 78 [2019-09-20 13:28:54,959 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:28:54,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-09-20 13:28:54,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 68. [2019-09-20 13:28:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-09-20 13:28:54,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2019-09-20 13:28:54,975 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 14 [2019-09-20 13:28:54,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:28:54,975 INFO L475 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2019-09-20 13:28:54,975 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:28:54,975 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2019-09-20 13:28:54,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-20 13:28:54,976 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:28:54,976 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:28:54,977 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:28:54,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:28:54,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1410713368, now seen corresponding path program 1 times [2019-09-20 13:28:54,977 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:28:54,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:54,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:28:54,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:54,980 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:28:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:28:55,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:28:55,121 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:28:55,121 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:28:55,122 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2019-09-20 13:28:55,123 INFO L207 CegarAbsIntRunner]: [0], [1], [2], [7], [10], [12], [15], [37], [74], [85], [95], [106], [109], [110], [346], [385], [394], [395], [396] [2019-09-20 13:28:55,151 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:28:55,151 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:28:55,207 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:28:55,208 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 19 root evaluator evaluations with a maximum evaluation depth of 0. Performed 19 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 30 variables. [2019-09-20 13:28:55,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:28:55,212 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:28:55,246 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-09-20 13:28:55,246 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:28:55,248 INFO L420 sIntCurrentIteration]: We unified 18 AI predicates to 18 [2019-09-20 13:28:55,248 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:28:55,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:28:55,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-20 13:28:55,249 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:28:55,249 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:28:55,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:28:55,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:28:55,250 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand 2 states. [2019-09-20 13:28:55,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:28:55,250 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2019-09-20 13:28:55,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:28:55,251 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-09-20 13:28:55,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:28:55,251 INFO L225 Difference]: With dead ends: 6 [2019-09-20 13:28:55,251 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:28:55,251 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:28:55,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:28:55,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:28:55,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:28:55,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:28:55,252 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2019-09-20 13:28:55,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:28:55,252 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:28:55,252 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:28:55,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:28:55,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:28:55,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:28:55 BoogieIcfgContainer [2019-09-20 13:28:55,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:28:55,259 INFO L168 Benchmark]: Toolchain (without parser) took 2761.42 ms. Allocated memory was 137.4 MB in the beginning and 217.1 MB in the end (delta: 79.7 MB). Free memory was 83.7 MB in the beginning and 143.5 MB in the end (delta: -59.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:55,261 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:28:55,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.23 ms. Allocated memory was 137.4 MB in the beginning and 197.7 MB in the end (delta: 60.3 MB). Free memory was 83.5 MB in the beginning and 162.7 MB in the end (delta: -79.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:55,262 INFO L168 Benchmark]: Boogie Preprocessor took 82.43 ms. Allocated memory is still 197.7 MB. Free memory was 162.7 MB in the beginning and 159.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:55,263 INFO L168 Benchmark]: RCFGBuilder took 738.14 ms. Allocated memory is still 197.7 MB. Free memory was 159.4 MB in the beginning and 101.4 MB in the end (delta: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:55,264 INFO L168 Benchmark]: TraceAbstraction took 1212.17 ms. Allocated memory was 197.7 MB in the beginning and 217.1 MB in the end (delta: 19.4 MB). Free memory was 100.8 MB in the beginning and 143.5 MB in the end (delta: -42.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:28:55,268 INFO L335 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 137.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 724.23 ms. Allocated memory was 137.4 MB in the beginning and 197.7 MB in the end (delta: 60.3 MB). Free memory was 83.5 MB in the beginning and 162.7 MB in the end (delta: -79.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.43 ms. Allocated memory is still 197.7 MB. Free memory was 162.7 MB in the beginning and 159.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 738.14 ms. Allocated memory is still 197.7 MB. Free memory was 159.4 MB in the beginning and 101.4 MB in the end (delta: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1212.17 ms. Allocated memory was 197.7 MB in the beginning and 217.1 MB in the end (delta: 19.4 MB). Free memory was 100.8 MB in the beginning and 143.5 MB in the end (delta: -42.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1031]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1035]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1014]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1013]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1026]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1021]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1042]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1033]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1027]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1034]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1025]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1032]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1017]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1020]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 90 locations, 14 error locations. SAFE Result, 1.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 294 SDtfs, 134 SDslu, 72 SDs, 0 SdLazy, 46 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9027777777777778 AbsIntWeakeningRatio, 0.8333333333333334 AbsIntAvgWeakeningVarsNumRemoved, 0.3333333333333333 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 2717 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 0/1 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...