java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/alt_test_true-termination.c_false-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-18e5b2d-m [2018-11-18 23:46:07,240 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 23:46:07,243 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 23:46:07,263 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 23:46:07,264 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 23:46:07,265 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 23:46:07,267 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 23:46:07,269 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 23:46:07,272 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 23:46:07,273 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 23:46:07,276 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 23:46:07,276 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 23:46:07,277 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 23:46:07,278 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 23:46:07,289 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 23:46:07,290 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 23:46:07,291 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 23:46:07,295 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 23:46:07,298 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 23:46:07,300 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 23:46:07,301 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 23:46:07,302 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 23:46:07,304 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 23:46:07,304 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 23:46:07,305 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 23:46:07,306 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 23:46:07,307 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 23:46:07,307 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 23:46:07,308 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 23:46:07,309 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 23:46:07,309 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 23:46:07,310 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 23:46:07,310 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 23:46:07,311 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 23:46:07,312 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 23:46:07,312 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 23:46:07,313 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 23:46:07,330 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 23:46:07,330 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 23:46:07,331 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 23:46:07,331 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 23:46:07,335 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 23:46:07,335 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 23:46:07,335 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 23:46:07,335 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 23:46:07,336 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 23:46:07,336 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 23:46:07,336 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 23:46:07,336 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 23:46:07,336 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 23:46:07,337 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 23:46:07,338 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 23:46:07,338 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 23:46:07,338 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 23:46:07,338 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 23:46:07,338 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 23:46:07,340 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 23:46:07,340 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 23:46:07,340 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 23:46:07,340 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 23:46:07,340 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 23:46:07,341 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 23:46:07,341 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 23:46:07,341 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 23:46:07,341 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 23:46:07,342 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 23:46:07,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 23:46:07,342 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 23:46:07,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 23:46:07,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 23:46:07,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 23:46:07,428 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 23:46:07,429 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 23:46:07,430 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/alt_test_true-termination.c_false-unreach-call.i [2018-11-18 23:46:07,500 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bc27c480/b1473e26568647039747aa9ca0a31bc7/FLAG0117c9ded [2018-11-18 23:46:08,043 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 23:46:08,044 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/alt_test_true-termination.c_false-unreach-call.i [2018-11-18 23:46:08,067 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bc27c480/b1473e26568647039747aa9ca0a31bc7/FLAG0117c9ded [2018-11-18 23:46:08,297 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bc27c480/b1473e26568647039747aa9ca0a31bc7 [2018-11-18 23:46:08,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 23:46:08,310 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-18 23:46:08,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 23:46:08,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 23:46:08,316 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 23:46:08,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:46:08" (1/1) ... [2018-11-18 23:46:08,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5293c348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:08, skipping insertion in model container [2018-11-18 23:46:08,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:46:08" (1/1) ... [2018-11-18 23:46:08,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 23:46:08,408 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 23:46:08,899 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 23:46:08,907 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 23:46:08,980 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 23:46:09,134 INFO L195 MainTranslator]: Completed translation [2018-11-18 23:46:09,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:09 WrapperNode [2018-11-18 23:46:09,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 23:46:09,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 23:46:09,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 23:46:09,136 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 23:46:09,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:09" (1/1) ... [2018-11-18 23:46:09,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:09" (1/1) ... [2018-11-18 23:46:09,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:09" (1/1) ... [2018-11-18 23:46:09,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:09" (1/1) ... [2018-11-18 23:46:09,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:09" (1/1) ... [2018-11-18 23:46:09,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:09" (1/1) ... [2018-11-18 23:46:09,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:09" (1/1) ... [2018-11-18 23:46:09,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 23:46:09,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 23:46:09,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 23:46:09,358 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 23:46:09,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:09" (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 [2018-11-18 23:46:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 23:46:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 23:46:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-18 23:46:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 23:46:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure l_malloc [2018-11-18 23:46:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure l_free [2018-11-18 23:46:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 23:46:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2018-11-18 23:46:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2018-11-18 23:46:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2018-11-18 23:46:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2018-11-18 23:46:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2018-11-18 23:46:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2018-11-18 23:46:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2018-11-18 23:46:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2018-11-18 23:46:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2018-11-18 23:46:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2018-11-18 23:46:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2018-11-18 23:46:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2018-11-18 23:46:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2018-11-18 23:46:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2018-11-18 23:46:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2018-11-18 23:46:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2018-11-18 23:46:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2018-11-18 23:46:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2018-11-18 23:46:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2018-11-18 23:46:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2018-11-18 23:46:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2018-11-18 23:46:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2018-11-18 23:46:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2018-11-18 23:46:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2018-11-18 23:46:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2018-11-18 23:46:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2018-11-18 23:46:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2018-11-18 23:46:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2018-11-18 23:46:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2018-11-18 23:46:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2018-11-18 23:46:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2018-11-18 23:46:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2018-11-18 23:46:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2018-11-18 23:46:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2018-11-18 23:46:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2018-11-18 23:46:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2018-11-18 23:46:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2018-11-18 23:46:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2018-11-18 23:46:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 23:46:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2018-11-18 23:46:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2018-11-18 23:46:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2018-11-18 23:46:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2018-11-18 23:46:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2018-11-18 23:46:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2018-11-18 23:46:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2018-11-18 23:46:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2018-11-18 23:46:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2018-11-18 23:46:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2018-11-18 23:46:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2018-11-18 23:46:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2018-11-18 23:46:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2018-11-18 23:46:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2018-11-18 23:46:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2018-11-18 23:46:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2018-11-18 23:46:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2018-11-18 23:46:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2018-11-18 23:46:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2018-11-18 23:46:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2018-11-18 23:46:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2018-11-18 23:46:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2018-11-18 23:46:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2018-11-18 23:46:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2018-11-18 23:46:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2018-11-18 23:46:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2018-11-18 23:46:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2018-11-18 23:46:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2018-11-18 23:46:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2018-11-18 23:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2018-11-18 23:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2018-11-18 23:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2018-11-18 23:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2018-11-18 23:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2018-11-18 23:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-18 23:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2018-11-18 23:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2018-11-18 23:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2018-11-18 23:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2018-11-18 23:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2018-11-18 23:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2018-11-18 23:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2018-11-18 23:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2018-11-18 23:46:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2018-11-18 23:46:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2018-11-18 23:46:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2018-11-18 23:46:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2018-11-18 23:46:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2018-11-18 23:46:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2018-11-18 23:46:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2018-11-18 23:46:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2018-11-18 23:46:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2018-11-18 23:46:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2018-11-18 23:46:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2018-11-18 23:46:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2018-11-18 23:46:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2018-11-18 23:46:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2018-11-18 23:46:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2018-11-18 23:46:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2018-11-18 23:46:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2018-11-18 23:46:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2018-11-18 23:46:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2018-11-18 23:46:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-18 23:46:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-18 23:46:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-18 23:46:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-18 23:46:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-18 23:46:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-18 23:46:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-18 23:46:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-18 23:46:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-18 23:46:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-18 23:46:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-18 23:46:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-18 23:46:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-18 23:46:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-18 23:46:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-18 23:46:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-18 23:46:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-18 23:46:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-18 23:46:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-18 23:46:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-18 23:46:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-18 23:46:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-18 23:46:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-18 23:46:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-18 23:46:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-18 23:46:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-18 23:46:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-18 23:46:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-18 23:46:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-18 23:46:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-18 23:46:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-18 23:46:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-18 23:46:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-18 23:46:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-18 23:46:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-18 23:46:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-18 23:46:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-18 23:46:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-18 23:46:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-18 23:46:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-18 23:46:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-18 23:46:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-18 23:46:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-18 23:46:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-18 23:46:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-18 23:46:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-18 23:46:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-18 23:46:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-18 23:46:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-18 23:46:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-18 23:46:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 23:46:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 23:46:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-18 23:46:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 23:46:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-18 23:46:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-18 23:46:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-18 23:46:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-18 23:46:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 23:46:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-18 23:46:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-18 23:46:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 23:46:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-18 23:46:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-18 23:46:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-11-18 23:46:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-18 23:46:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-18 23:46:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-18 23:46:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-18 23:46:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-18 23:46:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-18 23:46:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-18 23:46:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-18 23:46:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-18 23:46:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-18 23:46:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-18 23:46:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-18 23:46:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-18 23:46:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-18 23:46:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-18 23:46:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-18 23:46:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-18 23:46:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-18 23:46:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-18 23:46:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-18 23:46:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-18 23:46:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-18 23:46:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-18 23:46:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-18 23:46:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-18 23:46:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-18 23:46:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-18 23:46:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-18 23:46:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-18 23:46:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-18 23:46:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-18 23:46:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-18 23:46:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-18 23:46:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-18 23:46:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2018-11-18 23:46:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-18 23:46:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-18 23:46:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure l_malloc [2018-11-18 23:46:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure l_free [2018-11-18 23:46:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 23:46:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 23:46:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 23:46:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 23:46:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 23:46:10,161 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 23:46:10,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:46:10 BoogieIcfgContainer [2018-11-18 23:46:10,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 23:46:10,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 23:46:10,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 23:46:10,166 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 23:46:10,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:46:08" (1/3) ... [2018-11-18 23:46:10,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4eea71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:46:10, skipping insertion in model container [2018-11-18 23:46:10,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:09" (2/3) ... [2018-11-18 23:46:10,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4eea71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:46:10, skipping insertion in model container [2018-11-18 23:46:10,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:46:10" (3/3) ... [2018-11-18 23:46:10,169 INFO L112 eAbstractionObserver]: Analyzing ICFG alt_test_true-termination.c_false-unreach-call.i [2018-11-18 23:46:10,180 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 23:46:10,188 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 23:46:10,206 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 23:46:10,237 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 23:46:10,238 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 23:46:10,238 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 23:46:10,238 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 23:46:10,238 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 23:46:10,239 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 23:46:10,239 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 23:46:10,239 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 23:46:10,239 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 23:46:10,259 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-18 23:46:10,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 23:46:10,265 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:46:10,267 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:46:10,269 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:46:10,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:46:10,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1074821315, now seen corresponding path program 1 times [2018-11-18 23:46:10,278 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:46:10,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:46:10,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:46:10,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:46:10,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:46:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:46:10,619 INFO L256 TraceCheckUtils]: 0: Hoare triple {34#true} call ULTIMATE.init(); {34#true} is VALID [2018-11-18 23:46:10,623 INFO L273 TraceCheckUtils]: 1: Hoare triple {34#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~globalState~0 := 0; {34#true} is VALID [2018-11-18 23:46:10,623 INFO L273 TraceCheckUtils]: 2: Hoare triple {34#true} assume true; {34#true} is VALID [2018-11-18 23:46:10,624 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {34#true} {34#true} #49#return; {34#true} is VALID [2018-11-18 23:46:10,624 INFO L256 TraceCheckUtils]: 4: Hoare triple {34#true} call #t~ret32 := main(#in~argc, #in~argv.base, #in~argv.offset); {34#true} is VALID [2018-11-18 23:46:10,624 INFO L273 TraceCheckUtils]: 5: Hoare triple {34#true} ~argc := #in~argc;~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {34#true} is VALID [2018-11-18 23:46:10,625 INFO L256 TraceCheckUtils]: 6: Hoare triple {34#true} call #t~ret30.base, #t~ret30.offset := l_malloc(4); {34#true} is VALID [2018-11-18 23:46:10,626 INFO L273 TraceCheckUtils]: 7: Hoare triple {34#true} ~size := #in~size;call #t~malloc31.base, #t~malloc31.offset := #Ultimate.alloc(~size);~retVal~0.base, ~retVal~0.offset := #t~malloc31.base, #t~malloc31.offset; {36#(not (= 0 l_malloc_~retVal~0.base))} is VALID [2018-11-18 23:46:10,627 INFO L273 TraceCheckUtils]: 8: Hoare triple {36#(not (= 0 l_malloc_~retVal~0.base))} assume !(~retVal~0.base != 0 || ~retVal~0.offset != 0); {35#false} is VALID [2018-11-18 23:46:10,627 INFO L273 TraceCheckUtils]: 9: Hoare triple {35#false} #res.base, #res.offset := ~retVal~0.base, ~retVal~0.offset; {35#false} is VALID [2018-11-18 23:46:10,627 INFO L273 TraceCheckUtils]: 10: Hoare triple {35#false} assume true; {35#false} is VALID [2018-11-18 23:46:10,628 INFO L268 TraceCheckUtils]: 11: Hoare quadruple {35#false} {34#true} #41#return; {35#false} is VALID [2018-11-18 23:46:10,628 INFO L273 TraceCheckUtils]: 12: Hoare triple {35#false} ~a~0.base, ~a~0.offset := #t~ret30.base, #t~ret30.offset;havoc #t~ret30.base, #t~ret30.offset; {35#false} is VALID [2018-11-18 23:46:10,628 INFO L256 TraceCheckUtils]: 13: Hoare triple {35#false} call l_free(~a~0.base, ~a~0.offset); {35#false} is VALID [2018-11-18 23:46:10,629 INFO L273 TraceCheckUtils]: 14: Hoare triple {35#false} ~ptr.base, ~ptr.offset := #in~ptr.base, #in~ptr.offset; {35#false} is VALID [2018-11-18 23:46:10,629 INFO L273 TraceCheckUtils]: 15: Hoare triple {35#false} assume ~ptr.base != 0 || ~ptr.offset != 0; {35#false} is VALID [2018-11-18 23:46:10,630 INFO L273 TraceCheckUtils]: 16: Hoare triple {35#false} assume !(1 == ~globalState~0); {35#false} is VALID [2018-11-18 23:46:10,631 INFO L256 TraceCheckUtils]: 17: Hoare triple {35#false} call __blast_assert(); {35#false} is VALID [2018-11-18 23:46:10,631 INFO L273 TraceCheckUtils]: 18: Hoare triple {35#false} assume !false; {35#false} is VALID [2018-11-18 23:46:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:46:10,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 23:46:10,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 23:46:10,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-11-18 23:46:10,648 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:46:10,651 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 23:46:10,816 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:46:10,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 23:46:10,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 23:46:10,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 23:46:10,830 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 3 states. [2018-11-18 23:46:11,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:46:11,331 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2018-11-18 23:46:11,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 23:46:11,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-11-18 23:46:11,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:46:11,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 23:46:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2018-11-18 23:46:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 23:46:11,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2018-11-18 23:46:11,350 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 59 transitions. [2018-11-18 23:46:11,769 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:46:11,780 INFO L225 Difference]: With dead ends: 51 [2018-11-18 23:46:11,781 INFO L226 Difference]: Without dead ends: 24 [2018-11-18 23:46:11,784 INFO L604 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 [2018-11-18 23:46:11,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-11-18 23:46:11,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-11-18 23:46:11,834 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:46:11,835 INFO L82 GeneralOperation]: Start isEquivalent. First operand 24 states. Second operand 24 states. [2018-11-18 23:46:11,835 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 24 states. [2018-11-18 23:46:11,835 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 24 states. [2018-11-18 23:46:11,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:46:11,841 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2018-11-18 23:46:11,841 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-11-18 23:46:11,842 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:46:11,842 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:46:11,842 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 24 states. [2018-11-18 23:46:11,842 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 24 states. [2018-11-18 23:46:11,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:46:11,848 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2018-11-18 23:46:11,852 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-11-18 23:46:11,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:46:11,853 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:46:11,853 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:46:11,854 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:46:11,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-18 23:46:11,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2018-11-18 23:46:11,858 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 19 [2018-11-18 23:46:11,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:46:11,859 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2018-11-18 23:46:11,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 23:46:11,859 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-11-18 23:46:11,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 23:46:11,860 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:46:11,860 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:46:11,860 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:46:11,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:46:11,861 INFO L82 PathProgramCache]: Analyzing trace with hash 373756737, now seen corresponding path program 1 times [2018-11-18 23:46:11,861 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:46:11,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:46:11,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:46:11,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:46:11,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:46:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:46:11,963 INFO L256 TraceCheckUtils]: 0: Hoare triple {189#true} call ULTIMATE.init(); {189#true} is VALID [2018-11-18 23:46:11,964 INFO L273 TraceCheckUtils]: 1: Hoare triple {189#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~globalState~0 := 0; {189#true} is VALID [2018-11-18 23:46:11,964 INFO L273 TraceCheckUtils]: 2: Hoare triple {189#true} assume true; {189#true} is VALID [2018-11-18 23:46:11,964 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {189#true} {189#true} #49#return; {189#true} is VALID [2018-11-18 23:46:11,964 INFO L256 TraceCheckUtils]: 4: Hoare triple {189#true} call #t~ret32 := main(#in~argc, #in~argv.base, #in~argv.offset); {189#true} is VALID [2018-11-18 23:46:11,965 INFO L273 TraceCheckUtils]: 5: Hoare triple {189#true} ~argc := #in~argc;~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {189#true} is VALID [2018-11-18 23:46:11,965 INFO L256 TraceCheckUtils]: 6: Hoare triple {189#true} call #t~ret30.base, #t~ret30.offset := l_malloc(4); {189#true} is VALID [2018-11-18 23:46:11,965 INFO L273 TraceCheckUtils]: 7: Hoare triple {189#true} ~size := #in~size;call #t~malloc31.base, #t~malloc31.offset := #Ultimate.alloc(~size);~retVal~0.base, ~retVal~0.offset := #t~malloc31.base, #t~malloc31.offset; {189#true} is VALID [2018-11-18 23:46:11,966 INFO L273 TraceCheckUtils]: 8: Hoare triple {189#true} assume ~retVal~0.base != 0 || ~retVal~0.offset != 0;~globalState~0 := 1; {191#(= 1 ~globalState~0)} is VALID [2018-11-18 23:46:11,968 INFO L273 TraceCheckUtils]: 9: Hoare triple {191#(= 1 ~globalState~0)} #res.base, #res.offset := ~retVal~0.base, ~retVal~0.offset; {191#(= 1 ~globalState~0)} is VALID [2018-11-18 23:46:11,968 INFO L273 TraceCheckUtils]: 10: Hoare triple {191#(= 1 ~globalState~0)} assume true; {191#(= 1 ~globalState~0)} is VALID [2018-11-18 23:46:11,975 INFO L268 TraceCheckUtils]: 11: Hoare quadruple {191#(= 1 ~globalState~0)} {189#true} #41#return; {191#(= 1 ~globalState~0)} is VALID [2018-11-18 23:46:11,975 INFO L273 TraceCheckUtils]: 12: Hoare triple {191#(= 1 ~globalState~0)} ~a~0.base, ~a~0.offset := #t~ret30.base, #t~ret30.offset;havoc #t~ret30.base, #t~ret30.offset; {191#(= 1 ~globalState~0)} is VALID [2018-11-18 23:46:11,976 INFO L256 TraceCheckUtils]: 13: Hoare triple {191#(= 1 ~globalState~0)} call l_free(~a~0.base, ~a~0.offset); {191#(= 1 ~globalState~0)} is VALID [2018-11-18 23:46:11,978 INFO L273 TraceCheckUtils]: 14: Hoare triple {191#(= 1 ~globalState~0)} ~ptr.base, ~ptr.offset := #in~ptr.base, #in~ptr.offset; {191#(= 1 ~globalState~0)} is VALID [2018-11-18 23:46:11,986 INFO L273 TraceCheckUtils]: 15: Hoare triple {191#(= 1 ~globalState~0)} assume ~ptr.base != 0 || ~ptr.offset != 0; {191#(= 1 ~globalState~0)} is VALID [2018-11-18 23:46:11,992 INFO L273 TraceCheckUtils]: 16: Hoare triple {191#(= 1 ~globalState~0)} assume !(1 == ~globalState~0); {190#false} is VALID [2018-11-18 23:46:11,992 INFO L256 TraceCheckUtils]: 17: Hoare triple {190#false} call __blast_assert(); {190#false} is VALID [2018-11-18 23:46:11,993 INFO L273 TraceCheckUtils]: 18: Hoare triple {190#false} assume !false; {190#false} is VALID [2018-11-18 23:46:11,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:46:11,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 23:46:11,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 23:46:11,997 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-11-18 23:46:11,998 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:46:11,998 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 23:46:12,045 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:46:12,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 23:46:12,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 23:46:12,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 23:46:12,046 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 3 states. [2018-11-18 23:46:12,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:46:12,161 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2018-11-18 23:46:12,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 23:46:12,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-11-18 23:46:12,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:46:12,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 23:46:12,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2018-11-18 23:46:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 23:46:12,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2018-11-18 23:46:12,169 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 33 transitions. [2018-11-18 23:46:12,245 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:46:12,247 INFO L225 Difference]: With dead ends: 31 [2018-11-18 23:46:12,247 INFO L226 Difference]: Without dead ends: 27 [2018-11-18 23:46:12,248 INFO L604 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 [2018-11-18 23:46:12,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-18 23:46:12,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-18 23:46:12,269 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:46:12,269 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 27 states. [2018-11-18 23:46:12,269 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2018-11-18 23:46:12,269 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2018-11-18 23:46:12,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:46:12,272 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2018-11-18 23:46:12,273 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-11-18 23:46:12,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:46:12,273 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:46:12,274 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2018-11-18 23:46:12,274 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2018-11-18 23:46:12,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:46:12,276 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2018-11-18 23:46:12,277 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-11-18 23:46:12,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:46:12,278 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:46:12,278 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:46:12,278 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:46:12,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-18 23:46:12,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-11-18 23:46:12,281 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 19 [2018-11-18 23:46:12,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:46:12,281 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-11-18 23:46:12,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 23:46:12,281 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-11-18 23:46:12,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 23:46:12,282 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:46:12,283 INFO L375 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] [2018-11-18 23:46:12,283 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:46:12,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:46:12,283 INFO L82 PathProgramCache]: Analyzing trace with hash -568191789, now seen corresponding path program 1 times [2018-11-18 23:46:12,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:46:12,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:46:12,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:46:12,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:46:12,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:46:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:46:12,663 INFO L256 TraceCheckUtils]: 0: Hoare triple {332#true} call ULTIMATE.init(); {332#true} is VALID [2018-11-18 23:46:12,664 INFO L273 TraceCheckUtils]: 1: Hoare triple {332#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~globalState~0 := 0; {332#true} is VALID [2018-11-18 23:46:12,664 INFO L273 TraceCheckUtils]: 2: Hoare triple {332#true} assume true; {332#true} is VALID [2018-11-18 23:46:12,665 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {332#true} {332#true} #49#return; {332#true} is VALID [2018-11-18 23:46:12,665 INFO L256 TraceCheckUtils]: 4: Hoare triple {332#true} call #t~ret32 := main(#in~argc, #in~argv.base, #in~argv.offset); {332#true} is VALID [2018-11-18 23:46:12,665 INFO L273 TraceCheckUtils]: 5: Hoare triple {332#true} ~argc := #in~argc;~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {332#true} is VALID [2018-11-18 23:46:12,666 INFO L256 TraceCheckUtils]: 6: Hoare triple {332#true} call #t~ret30.base, #t~ret30.offset := l_malloc(4); {332#true} is VALID [2018-11-18 23:46:12,667 INFO L273 TraceCheckUtils]: 7: Hoare triple {332#true} ~size := #in~size;call #t~malloc31.base, #t~malloc31.offset := #Ultimate.alloc(~size);~retVal~0.base, ~retVal~0.offset := #t~malloc31.base, #t~malloc31.offset; {334#(not (= 0 l_malloc_~retVal~0.base))} is VALID [2018-11-18 23:46:12,667 INFO L273 TraceCheckUtils]: 8: Hoare triple {334#(not (= 0 l_malloc_~retVal~0.base))} assume ~retVal~0.base != 0 || ~retVal~0.offset != 0;~globalState~0 := 1; {334#(not (= 0 l_malloc_~retVal~0.base))} is VALID [2018-11-18 23:46:12,668 INFO L273 TraceCheckUtils]: 9: Hoare triple {334#(not (= 0 l_malloc_~retVal~0.base))} #res.base, #res.offset := ~retVal~0.base, ~retVal~0.offset; {335#(not (= 0 |l_malloc_#res.base|))} is VALID [2018-11-18 23:46:12,669 INFO L273 TraceCheckUtils]: 10: Hoare triple {335#(not (= 0 |l_malloc_#res.base|))} assume true; {335#(not (= 0 |l_malloc_#res.base|))} is VALID [2018-11-18 23:46:12,670 INFO L268 TraceCheckUtils]: 11: Hoare quadruple {335#(not (= 0 |l_malloc_#res.base|))} {332#true} #41#return; {336#(not (= 0 |main_#t~ret30.base|))} is VALID [2018-11-18 23:46:12,676 INFO L273 TraceCheckUtils]: 12: Hoare triple {336#(not (= 0 |main_#t~ret30.base|))} ~a~0.base, ~a~0.offset := #t~ret30.base, #t~ret30.offset;havoc #t~ret30.base, #t~ret30.offset; {337#(not (= 0 main_~a~0.base))} is VALID [2018-11-18 23:46:12,677 INFO L256 TraceCheckUtils]: 13: Hoare triple {337#(not (= 0 main_~a~0.base))} call l_free(~a~0.base, ~a~0.offset); {332#true} is VALID [2018-11-18 23:46:12,678 INFO L273 TraceCheckUtils]: 14: Hoare triple {332#true} ~ptr.base, ~ptr.offset := #in~ptr.base, #in~ptr.offset; {338#(= |l_free_#in~ptr.base| l_free_~ptr.base)} is VALID [2018-11-18 23:46:12,678 INFO L273 TraceCheckUtils]: 15: Hoare triple {338#(= |l_free_#in~ptr.base| l_free_~ptr.base)} assume !(~ptr.base != 0 || ~ptr.offset != 0); {339#(= 0 |l_free_#in~ptr.base|)} is VALID [2018-11-18 23:46:12,679 INFO L273 TraceCheckUtils]: 16: Hoare triple {339#(= 0 |l_free_#in~ptr.base|)} ~globalState~0 := 0;call ULTIMATE.dealloc(~ptr.base, ~ptr.offset); {339#(= 0 |l_free_#in~ptr.base|)} is VALID [2018-11-18 23:46:12,679 INFO L273 TraceCheckUtils]: 17: Hoare triple {339#(= 0 |l_free_#in~ptr.base|)} assume true; {339#(= 0 |l_free_#in~ptr.base|)} is VALID [2018-11-18 23:46:12,680 INFO L268 TraceCheckUtils]: 18: Hoare quadruple {339#(= 0 |l_free_#in~ptr.base|)} {337#(not (= 0 main_~a~0.base))} #43#return; {333#false} is VALID [2018-11-18 23:46:12,681 INFO L256 TraceCheckUtils]: 19: Hoare triple {333#false} call l_free(~a~0.base, ~a~0.offset); {333#false} is VALID [2018-11-18 23:46:12,681 INFO L273 TraceCheckUtils]: 20: Hoare triple {333#false} ~ptr.base, ~ptr.offset := #in~ptr.base, #in~ptr.offset; {333#false} is VALID [2018-11-18 23:46:12,682 INFO L273 TraceCheckUtils]: 21: Hoare triple {333#false} assume ~ptr.base != 0 || ~ptr.offset != 0; {333#false} is VALID [2018-11-18 23:46:12,682 INFO L273 TraceCheckUtils]: 22: Hoare triple {333#false} assume !(1 == ~globalState~0); {333#false} is VALID [2018-11-18 23:46:12,683 INFO L256 TraceCheckUtils]: 23: Hoare triple {333#false} call __blast_assert(); {333#false} is VALID [2018-11-18 23:46:12,683 INFO L273 TraceCheckUtils]: 24: Hoare triple {333#false} assume !false; {333#false} is VALID [2018-11-18 23:46:12,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:46:12,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 23:46:12,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 23:46:12,687 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-11-18 23:46:12,687 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:46:12,688 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-18 23:46:12,777 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:46:12,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 23:46:12,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 23:46:12,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 23:46:12,778 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 8 states. [2018-11-18 23:46:13,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:46:13,180 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2018-11-18 23:46:13,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 23:46:13,180 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-11-18 23:46:13,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:46:13,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-18 23:46:13,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 37 transitions. [2018-11-18 23:46:13,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-18 23:46:13,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 37 transitions. [2018-11-18 23:46:13,186 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 37 transitions. [2018-11-18 23:46:13,236 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:46:13,239 INFO L225 Difference]: With dead ends: 40 [2018-11-18 23:46:13,239 INFO L226 Difference]: Without dead ends: 27 [2018-11-18 23:46:13,240 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-11-18 23:46:13,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-18 23:46:13,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-18 23:46:13,276 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:46:13,276 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 27 states. [2018-11-18 23:46:13,276 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2018-11-18 23:46:13,277 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2018-11-18 23:46:13,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:46:13,279 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-11-18 23:46:13,279 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-11-18 23:46:13,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:46:13,280 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:46:13,280 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2018-11-18 23:46:13,280 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2018-11-18 23:46:13,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:46:13,283 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-11-18 23:46:13,283 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-11-18 23:46:13,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:46:13,284 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:46:13,284 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:46:13,284 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:46:13,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-18 23:46:13,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-11-18 23:46:13,287 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 25 [2018-11-18 23:46:13,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:46:13,287 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-11-18 23:46:13,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 23:46:13,287 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-11-18 23:46:13,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 23:46:13,289 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:46:13,289 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:46:13,289 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:46:13,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:46:13,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1903526385, now seen corresponding path program 1 times [2018-11-18 23:46:13,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:46:13,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:46:13,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:46:13,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:46:13,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:46:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 23:46:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 23:46:13,351 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 23:46:13,400 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2018-11-18 23:46:13,401 WARN L170 areAnnotationChecker]: l_mallocENTRY has no Hoare annotation [2018-11-18 23:46:13,401 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-18 23:46:13,401 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-18 23:46:13,401 WARN L170 areAnnotationChecker]: __blast_assertENTRY has no Hoare annotation [2018-11-18 23:46:13,401 WARN L170 areAnnotationChecker]: __blast_assertENTRY has no Hoare annotation [2018-11-18 23:46:13,401 WARN L170 areAnnotationChecker]: l_freeENTRY has no Hoare annotation [2018-11-18 23:46:13,402 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2018-11-18 23:46:13,402 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-18 23:46:13,402 WARN L170 areAnnotationChecker]: L1620 has no Hoare annotation [2018-11-18 23:46:13,402 WARN L170 areAnnotationChecker]: L1620 has no Hoare annotation [2018-11-18 23:46:13,402 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-18 23:46:13,402 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-18 23:46:13,403 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2018-11-18 23:46:13,403 WARN L170 areAnnotationChecker]: L1629 has no Hoare annotation [2018-11-18 23:46:13,403 WARN L170 areAnnotationChecker]: L1629 has no Hoare annotation [2018-11-18 23:46:13,403 WARN L170 areAnnotationChecker]: L1612 has no Hoare annotation [2018-11-18 23:46:13,403 WARN L170 areAnnotationChecker]: L1612 has no Hoare annotation [2018-11-18 23:46:13,403 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-18 23:46:13,403 WARN L170 areAnnotationChecker]: L1620-2 has no Hoare annotation [2018-11-18 23:46:13,404 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 23:46:13,404 WARN L170 areAnnotationChecker]: __blast_assertEXIT has no Hoare annotation [2018-11-18 23:46:13,404 WARN L170 areAnnotationChecker]: L1629-1 has no Hoare annotation [2018-11-18 23:46:13,404 WARN L170 areAnnotationChecker]: L1629-1 has no Hoare annotation [2018-11-18 23:46:13,404 WARN L170 areAnnotationChecker]: L1629-5 has no Hoare annotation [2018-11-18 23:46:13,404 WARN L170 areAnnotationChecker]: L1612-1 has no Hoare annotation [2018-11-18 23:46:13,405 WARN L170 areAnnotationChecker]: l_mallocFINAL has no Hoare annotation [2018-11-18 23:46:13,406 WARN L170 areAnnotationChecker]: L1629-3 has no Hoare annotation [2018-11-18 23:46:13,406 WARN L170 areAnnotationChecker]: L1629-3 has no Hoare annotation [2018-11-18 23:46:13,406 WARN L170 areAnnotationChecker]: l_freeFINAL has no Hoare annotation [2018-11-18 23:46:13,406 WARN L170 areAnnotationChecker]: L1613 has no Hoare annotation [2018-11-18 23:46:13,406 WARN L170 areAnnotationChecker]: L1613 has no Hoare annotation [2018-11-18 23:46:13,406 WARN L170 areAnnotationChecker]: l_mallocEXIT has no Hoare annotation [2018-11-18 23:46:13,414 WARN L170 areAnnotationChecker]: l_freeEXIT has no Hoare annotation [2018-11-18 23:46:13,414 WARN L170 areAnnotationChecker]: l_freeEXIT has no Hoare annotation [2018-11-18 23:46:13,414 WARN L170 areAnnotationChecker]: L1613-1 has no Hoare annotation [2018-11-18 23:46:13,414 WARN L170 areAnnotationChecker]: L1613-1 has no Hoare annotation [2018-11-18 23:46:13,414 WARN L170 areAnnotationChecker]: L1614 has no Hoare annotation [2018-11-18 23:46:13,415 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-18 23:46:13,415 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-18 23:46:13,415 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-18 23:46:13,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:46:13 BoogieIcfgContainer [2018-11-18 23:46:13,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 23:46:13,422 INFO L168 Benchmark]: Toolchain (without parser) took 5112.96 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.5 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -581.2 MB). Peak memory consumption was 175.3 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:13,425 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-18 23:46:13,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:13,426 INFO L168 Benchmark]: Boogie Preprocessor took 221.18 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -858.7 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:13,428 INFO L168 Benchmark]: RCFGBuilder took 804.17 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 61.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:13,428 INFO L168 Benchmark]: TraceAbstraction took 3255.13 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 160.4 MB). Peak memory consumption was 160.4 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:13,434 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 824.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 221.18 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -858.7 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 804.17 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 61.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3255.13 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 160.4 MB). Peak memory consumption was 160.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1601]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1606] int globalState = 0; VAL [\old(globalState)=8, globalState=0] [L1612] CALL, EXPR l_malloc(sizeof(int)) VAL [\old(globalState)=0, \old(size)=4, globalState=0] [L1619] EXPR, FCALL malloc(size) [L1619] void *retVal = malloc(size); VAL [\old(globalState)=0, \old(size)=4, globalState=0, malloc(size)={7:0}, retVal={7:0}, size=4] [L1620] COND TRUE retVal != ((void *)0) [L1621] globalState=1 VAL [\old(globalState)=0, \old(size)=4, globalState=1, malloc(size)={7:0}, retVal={7:0}, size=4] [L1622] RET return retVal; VAL [\old(globalState)=0, \old(size)=4, \result={7:0}, globalState=1, malloc(size)={7:0}, retVal={7:0}, size=4] [L1612] EXPR l_malloc(sizeof(int)) VAL [\old(argc)=11, \old(globalState)=0, argc=11, argv={9:6}, argv={9:6}, globalState=1, l_malloc(sizeof(int))={7:0}] [L1612] int *a = (int*) l_malloc(sizeof(int)); [L1613] CALL l_free(a) VAL [\old(globalState)=1, globalState=1, ptr={7:0}] [L1629] COND TRUE ptr!=((void *)0) VAL [\old(globalState)=1, globalState=1, ptr={7:0}, ptr={7:0}] [L1629] COND TRUE (globalState == 1) ? (0) : __blast_assert () VAL [\old(globalState)=1, globalState=1, ptr={7:0}, ptr={7:0}] [L1630] globalState = 0 [L1631] RET, FCALL free(ptr) VAL [\old(globalState)=1, globalState=0, ptr={7:0}, ptr={7:0}] [L1613] l_free(a) VAL [\old(argc)=11, \old(globalState)=0, a={7:0}, argc=11, argv={9:6}, argv={9:6}, globalState=0] [L1614] CALL l_free(a) VAL [\old(globalState)=0, globalState=0, ptr={7:0}] [L1629] COND TRUE ptr!=((void *)0) VAL [\old(globalState)=0, globalState=0, ptr={7:0}, ptr={7:0}] [L1629] COND FALSE !((globalState == 1) ? (0) : __blast_assert ()) VAL [\old(globalState)=0, globalState=0, ptr={7:0}, ptr={7:0}] [L1629] CALL __blast_assert () VAL [\old(globalState)=0, globalState=0] [L1601] __VERIFIER_error() VAL [\old(globalState)=0, globalState=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 31 locations, 1 error locations. UNSAFE Result, 3.1s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 70 SDtfs, 15 SDslu, 136 SDs, 0 SdLazy, 51 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 2190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...