/usr/bin/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-sorted-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 19:06:33,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 19:06:33,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 19:06:33,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 19:06:33,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 19:06:33,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 19:06:33,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 19:06:33,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 19:06:33,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 19:06:33,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 19:06:33,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 19:06:33,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 19:06:33,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 19:06:33,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 19:06:33,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 19:06:33,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 19:06:33,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 19:06:33,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 19:06:33,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 19:06:33,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 19:06:33,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 19:06:33,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 19:06:33,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 19:06:33,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 19:06:33,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 19:06:33,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 19:06:33,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 19:06:33,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 19:06:33,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 19:06:33,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 19:06:33,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 19:06:33,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 19:06:33,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 19:06:33,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 19:06:33,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 19:06:33,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 19:06:33,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 19:06:33,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 19:06:33,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 19:06:33,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 19:06:33,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 19:06:33,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 19:06:33,405 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 19:06:33,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 19:06:33,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 19:06:33,407 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 19:06:33,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 19:06:33,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 19:06:33,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 19:06:33,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 19:06:33,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 19:06:33,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 19:06:33,409 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 19:06:33,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 19:06:33,409 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 19:06:33,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 19:06:33,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 19:06:33,410 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 19:06:33,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 19:06:33,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 19:06:33,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 19:06:33,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 19:06:33,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 19:06:33,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 19:06:33,412 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 19:06:33,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 19:06:33,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 19:06:33,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 19:06:33,817 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 19:06:33,820 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 19:06:33,822 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-sorted-1.i [2020-08-22 19:06:33,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8df87bcd/15e5c9021a114506b80140276ebe43ee/FLAG4beb6d81f [2020-08-22 19:06:34,675 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 19:06:34,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-sorted-1.i [2020-08-22 19:06:34,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8df87bcd/15e5c9021a114506b80140276ebe43ee/FLAG4beb6d81f [2020-08-22 19:06:34,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8df87bcd/15e5c9021a114506b80140276ebe43ee [2020-08-22 19:06:34,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 19:06:34,933 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 19:06:34,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 19:06:34,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 19:06:34,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 19:06:34,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:06:34" (1/1) ... [2020-08-22 19:06:34,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6870637f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:34, skipping insertion in model container [2020-08-22 19:06:34,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:06:34" (1/1) ... [2020-08-22 19:06:34,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 19:06:35,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 19:06:35,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:06:35,915 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 19:06:35,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:06:36,029 INFO L208 MainTranslator]: Completed translation [2020-08-22 19:06:36,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:36 WrapperNode [2020-08-22 19:06:36,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 19:06:36,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 19:06:36,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 19:06:36,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 19:06:36,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:36" (1/1) ... [2020-08-22 19:06:36,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:36" (1/1) ... [2020-08-22 19:06:36,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:36" (1/1) ... [2020-08-22 19:06:36,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:36" (1/1) ... [2020-08-22 19:06:36,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:36" (1/1) ... [2020-08-22 19:06:36,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:36" (1/1) ... [2020-08-22 19:06:36,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:36" (1/1) ... [2020-08-22 19:06:36,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 19:06:36,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 19:06:36,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 19:06:36,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 19:06:36,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:36" (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 [2020-08-22 19:06:36,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 19:06:36,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 19:06:36,206 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 19:06:36,207 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-08-22 19:06:36,207 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-08-22 19:06:36,207 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-08-22 19:06:36,207 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-08-22 19:06:36,207 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-08-22 19:06:36,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-08-22 19:06:36,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-08-22 19:06:36,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-08-22 19:06:36,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-08-22 19:06:36,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-08-22 19:06:36,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-08-22 19:06:36,209 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-08-22 19:06:36,209 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-08-22 19:06:36,209 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-08-22 19:06:36,209 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-08-22 19:06:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-08-22 19:06:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-08-22 19:06:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-08-22 19:06:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-08-22 19:06:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-08-22 19:06:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-08-22 19:06:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-08-22 19:06:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-08-22 19:06:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-08-22 19:06:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-08-22 19:06:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-08-22 19:06:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-08-22 19:06:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-08-22 19:06:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-08-22 19:06:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-08-22 19:06:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-08-22 19:06:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-08-22 19:06:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-08-22 19:06:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-08-22 19:06:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-08-22 19:06:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-08-22 19:06:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-08-22 19:06:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-08-22 19:06:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-08-22 19:06:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-08-22 19:06:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-08-22 19:06:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-08-22 19:06:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-08-22 19:06:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-08-22 19:06:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-08-22 19:06:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-08-22 19:06:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-08-22 19:06:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-08-22 19:06:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-08-22 19:06:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-08-22 19:06:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 19:06:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-22 19:06:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-08-22 19:06:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 19:06:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-08-22 19:06:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-08-22 19:06:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-08-22 19:06:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-08-22 19:06:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-08-22 19:06:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-22 19:06:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-08-22 19:06:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-08-22 19:06:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-08-22 19:06:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 19:06:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-08-22 19:06:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-08-22 19:06:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-08-22 19:06:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-08-22 19:06:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-08-22 19:06:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-08-22 19:06:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-08-22 19:06:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-08-22 19:06:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-08-22 19:06:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-08-22 19:06:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-08-22 19:06:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-08-22 19:06:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-08-22 19:06:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-08-22 19:06:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-08-22 19:06:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-08-22 19:06:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-08-22 19:06:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-08-22 19:06:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-08-22 19:06:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-08-22 19:06:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-08-22 19:06:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-08-22 19:06:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-08-22 19:06:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-08-22 19:06:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-08-22 19:06:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-08-22 19:06:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-08-22 19:06:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-08-22 19:06:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-08-22 19:06:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-08-22 19:06:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-08-22 19:06:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-08-22 19:06:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-08-22 19:06:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-08-22 19:06:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-08-22 19:06:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-08-22 19:06:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-08-22 19:06:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-08-22 19:06:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-08-22 19:06:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 19:06:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 19:06:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 19:06:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 19:06:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 19:06:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 19:06:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 19:06:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 19:06:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 19:06:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 19:06:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 19:06:37,109 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 19:06:37,109 INFO L295 CfgBuilder]: Removed 18 assume(true) statements. [2020-08-22 19:06:37,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:06:37 BoogieIcfgContainer [2020-08-22 19:06:37,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 19:06:37,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 19:06:37,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 19:06:37,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 19:06:37,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:06:34" (1/3) ... [2020-08-22 19:06:37,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5c1e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:06:37, skipping insertion in model container [2020-08-22 19:06:37,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:36" (2/3) ... [2020-08-22 19:06:37,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5c1e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:06:37, skipping insertion in model container [2020-08-22 19:06:37,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:06:37" (3/3) ... [2020-08-22 19:06:37,130 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-sorted-1.i [2020-08-22 19:06:37,146 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 19:06:37,157 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-08-22 19:06:37,179 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-08-22 19:06:37,216 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 19:06:37,216 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 19:06:37,216 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 19:06:37,216 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 19:06:37,216 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 19:06:37,217 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 19:06:37,217 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 19:06:37,217 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 19:06:37,243 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-08-22 19:06:37,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-08-22 19:06:37,257 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:06:37,259 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:06:37,259 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:06:37,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:06:37,270 INFO L82 PathProgramCache]: Analyzing trace with hash 815166367, now seen corresponding path program 1 times [2020-08-22 19:06:37,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:06:37,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850759866] [2020-08-22 19:06:37,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:06:37,403 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:06:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:06:37,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:06:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:06:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:06:37,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [850759866] [2020-08-22 19:06:37,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:06:37,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 19:06:37,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826471258] [2020-08-22 19:06:37,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 19:06:37,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:06:37,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 19:06:37,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 19:06:37,626 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 3 states. [2020-08-22 19:06:38,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:06:38,163 INFO L93 Difference]: Finished difference Result 277 states and 343 transitions. [2020-08-22 19:06:38,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 19:06:38,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-08-22 19:06:38,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:06:38,184 INFO L225 Difference]: With dead ends: 277 [2020-08-22 19:06:38,184 INFO L226 Difference]: Without dead ends: 144 [2020-08-22 19:06:38,191 INFO L675 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 [2020-08-22 19:06:38,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-08-22 19:06:38,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-08-22 19:06:38,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-08-22 19:06:38,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 154 transitions. [2020-08-22 19:06:38,268 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 154 transitions. Word has length 18 [2020-08-22 19:06:38,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:06:38,269 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 154 transitions. [2020-08-22 19:06:38,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 19:06:38,269 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 154 transitions. [2020-08-22 19:06:38,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-08-22 19:06:38,270 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:06:38,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:06:38,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 19:06:38,272 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:06:38,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:06:38,273 INFO L82 PathProgramCache]: Analyzing trace with hash 626661666, now seen corresponding path program 1 times [2020-08-22 19:06:38,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:06:38,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628826757] [2020-08-22 19:06:38,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:06:38,279 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:06:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:06:38,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:06:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:06:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:06:38,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628826757] [2020-08-22 19:06:38,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:06:38,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 19:06:38,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666042106] [2020-08-22 19:06:38,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 19:06:38,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:06:38,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 19:06:38,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 19:06:38,384 INFO L87 Difference]: Start difference. First operand 144 states and 154 transitions. Second operand 4 states. [2020-08-22 19:06:38,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:06:38,737 INFO L93 Difference]: Finished difference Result 295 states and 318 transitions. [2020-08-22 19:06:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 19:06:38,738 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-08-22 19:06:38,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:06:38,740 INFO L225 Difference]: With dead ends: 295 [2020-08-22 19:06:38,741 INFO L226 Difference]: Without dead ends: 165 [2020-08-22 19:06:38,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 19:06:38,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-08-22 19:06:38,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 160. [2020-08-22 19:06:38,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-08-22 19:06:38,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 171 transitions. [2020-08-22 19:06:38,766 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 171 transitions. Word has length 20 [2020-08-22 19:06:38,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:06:38,767 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 171 transitions. [2020-08-22 19:06:38,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 19:06:38,767 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 171 transitions. [2020-08-22 19:06:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-08-22 19:06:38,769 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:06:38,769 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:06:38,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 19:06:38,770 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:06:38,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:06:38,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1840738898, now seen corresponding path program 1 times [2020-08-22 19:06:38,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:06:38,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362936289] [2020-08-22 19:06:38,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:06:38,831 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:06:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:06:38,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:06:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:06:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:06:39,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362936289] [2020-08-22 19:06:39,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:06:39,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 19:06:39,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506646026] [2020-08-22 19:06:39,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 19:06:39,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:06:39,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 19:06:39,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-22 19:06:39,023 INFO L87 Difference]: Start difference. First operand 160 states and 171 transitions. Second operand 6 states. [2020-08-22 19:06:39,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:06:39,562 INFO L93 Difference]: Finished difference Result 262 states and 280 transitions. [2020-08-22 19:06:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 19:06:39,563 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-08-22 19:06:39,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:06:39,573 INFO L225 Difference]: With dead ends: 262 [2020-08-22 19:06:39,574 INFO L226 Difference]: Without dead ends: 260 [2020-08-22 19:06:39,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-22 19:06:39,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-08-22 19:06:39,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 158. [2020-08-22 19:06:39,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-08-22 19:06:39,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 169 transitions. [2020-08-22 19:06:39,643 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 169 transitions. Word has length 38 [2020-08-22 19:06:39,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:06:39,643 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 169 transitions. [2020-08-22 19:06:39,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 19:06:39,644 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 169 transitions. [2020-08-22 19:06:39,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-22 19:06:39,650 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:06:39,650 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2020-08-22 19:06:39,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 19:06:39,651 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:06:39,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:06:39,652 INFO L82 PathProgramCache]: Analyzing trace with hash 24683595, now seen corresponding path program 1 times [2020-08-22 19:06:39,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:06:39,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595905288] [2020-08-22 19:06:39,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:06:39,714 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:06:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:06:39,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:06:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:06:39,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:06:39,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595905288] [2020-08-22 19:06:39,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:06:39,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 19:06:39,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138662220] [2020-08-22 19:06:39,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 19:06:39,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:06:39,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 19:06:39,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 19:06:39,861 INFO L87 Difference]: Start difference. First operand 158 states and 169 transitions. Second operand 4 states. [2020-08-22 19:06:40,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:06:40,145 INFO L93 Difference]: Finished difference Result 244 states and 261 transitions. [2020-08-22 19:06:40,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 19:06:40,148 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2020-08-22 19:06:40,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:06:40,150 INFO L225 Difference]: With dead ends: 244 [2020-08-22 19:06:40,150 INFO L226 Difference]: Without dead ends: 159 [2020-08-22 19:06:40,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 19:06:40,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-08-22 19:06:40,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2020-08-22 19:06:40,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-08-22 19:06:40,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 170 transitions. [2020-08-22 19:06:40,204 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 170 transitions. Word has length 61 [2020-08-22 19:06:40,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:06:40,205 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 170 transitions. [2020-08-22 19:06:40,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 19:06:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 170 transitions. [2020-08-22 19:06:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-22 19:06:40,207 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:06:40,207 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2020-08-22 19:06:40,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 19:06:40,208 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:06:40,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:06:40,208 INFO L82 PathProgramCache]: Analyzing trace with hash -158274674, now seen corresponding path program 1 times [2020-08-22 19:06:40,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:06:40,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [567733239] [2020-08-22 19:06:40,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:06:40,235 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:06:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:06:40,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:06:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:06:40,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:06:40,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [567733239] [2020-08-22 19:06:40,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:06:40,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 19:06:40,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810371842] [2020-08-22 19:06:40,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 19:06:40,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:06:40,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 19:06:40,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 19:06:40,384 INFO L87 Difference]: Start difference. First operand 159 states and 170 transitions. Second operand 8 states. [2020-08-22 19:06:40,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:06:40,945 INFO L93 Difference]: Finished difference Result 271 states and 289 transitions. [2020-08-22 19:06:40,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 19:06:40,946 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-08-22 19:06:40,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:06:40,951 INFO L225 Difference]: With dead ends: 271 [2020-08-22 19:06:40,951 INFO L226 Difference]: Without dead ends: 185 [2020-08-22 19:06:40,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-08-22 19:06:40,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-08-22 19:06:40,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 167. [2020-08-22 19:06:40,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-08-22 19:06:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 179 transitions. [2020-08-22 19:06:40,989 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 179 transitions. Word has length 63 [2020-08-22 19:06:40,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:06:40,990 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 179 transitions. [2020-08-22 19:06:40,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 19:06:40,990 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 179 transitions. [2020-08-22 19:06:41,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-22 19:06:41,001 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:06:41,002 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2020-08-22 19:06:41,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 19:06:41,002 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:06:41,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:06:41,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1072824646, now seen corresponding path program 1 times [2020-08-22 19:06:41,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:06:41,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758693451] [2020-08-22 19:06:41,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:06:41,036 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:06:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 19:06:41,121 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 19:06:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 19:06:41,186 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 19:06:41,252 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 19:06:41,253 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 19:06:41,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 19:06:41,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:06:41 BoogieIcfgContainer [2020-08-22 19:06:41,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 19:06:41,292 INFO L168 Benchmark]: Toolchain (without parser) took 6357.76 ms. Allocated memory was 142.6 MB in the beginning and 252.2 MB in the end (delta: 109.6 MB). Free memory was 98.3 MB in the beginning and 166.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. [2020-08-22 19:06:41,293 INFO L168 Benchmark]: CDTParser took 1.09 ms. Allocated memory is still 142.6 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 19:06:41,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1094.73 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 98.1 MB in the beginning and 169.5 MB in the end (delta: -71.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2020-08-22 19:06:41,295 INFO L168 Benchmark]: Boogie Preprocessor took 94.27 ms. Allocated memory is still 203.4 MB. Free memory was 169.5 MB in the beginning and 166.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-08-22 19:06:41,296 INFO L168 Benchmark]: RCFGBuilder took 989.90 ms. Allocated memory is still 203.4 MB. Free memory was 166.6 MB in the beginning and 105.6 MB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 7.1 GB. [2020-08-22 19:06:41,297 INFO L168 Benchmark]: TraceAbstraction took 4169.57 ms. Allocated memory was 203.4 MB in the beginning and 252.2 MB in the end (delta: 48.8 MB). Free memory was 104.8 MB in the beginning and 166.4 MB in the end (delta: -61.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 19:06:41,301 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09 ms. Allocated memory is still 142.6 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1094.73 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 98.1 MB in the beginning and 169.5 MB in the end (delta: -71.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.27 ms. Allocated memory is still 203.4 MB. Free memory was 169.5 MB in the beginning and 166.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 989.90 ms. Allocated memory is still 203.4 MB. Free memory was 166.6 MB in the beginning and 105.6 MB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4169.57 ms. Allocated memory was 203.4 MB in the beginning and 252.2 MB in the end (delta: 48.8 MB). Free memory was 104.8 MB in the beginning and 166.4 MB in the end (delta: -61.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1027]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L986] SLL* head = malloc(sizeof(SLL)); [L987] head->next = ((void*)0) [L988] head->prev = ((void*)0) [L989] head->data = 0 [L991] SLL* x = head; [L992] int marked = 0; [L995] COND TRUE __VERIFIER_nondet_int() || !marked [L998] x->next = malloc(sizeof(SLL)) [L999] EXPR x->next [L999] x->next->prev = x [L1000] EXPR x->next [L1000] x = x->next [L1001] x->next = ((void*)0) [L1003] COND TRUE __VERIFIER_nondet_int() [L1005] marked = 1 [L1008] COND TRUE \read(marked) [L1009] x->data = 1 [L995] COND FALSE !(__VERIFIER_nondet_int() || !marked) [L1014] x = head [L1016] COND FALSE !(!(((void*)0) != x)) [L1017] marked = 0 [L1019] EXPR x->next [L1019] x->next != ((void*)0) && x->next->data == 0 [L1019] EXPR x->next [L1019] EXPR x->next->data [L1019] x->next != ((void*)0) && x->next->data == 0 [L1019] COND FALSE !(x->next != ((void*)0) && x->next->data == 0) [L1024] EXPR x->next [L1024] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1024] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1024] COND TRUE x->next != ((void*)0) && __VERIFIER_nondet_int() [L1026] EXPR x->next [L1026] x = x->next [L1027] EXPR x->data [L1027] COND TRUE !(x->data != 1) [L1027] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 156 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 729 SDtfs, 767 SDslu, 804 SDs, 0 SdLazy, 995 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 125 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...