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_Bitvector.epf -i ../../../trunk/examples/svcomp/heap-manipulation/bubble_sort_linux_false-unreach-call_false-valid-memcleanup.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 16:20:46,372 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 16:20:46,374 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 16:20:46,386 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 16:20:46,387 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 16:20:46,388 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 16:20:46,389 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 16:20:46,391 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 16:20:46,393 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 16:20:46,393 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 16:20:46,394 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 16:20:46,395 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 16:20:46,396 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 16:20:46,397 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 16:20:46,398 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 16:20:46,399 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 16:20:46,400 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 16:20:46,401 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 16:20:46,404 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 16:20:46,405 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 16:20:46,406 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 16:20:46,408 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 16:20:46,410 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-14 16:20:46,410 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-14 16:20:46,411 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-14 16:20:46,412 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-14 16:20:46,413 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-14 16:20:46,414 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-14 16:20:46,415 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-14 16:20:46,416 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-14 16:20:46,416 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-14 16:20:46,417 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-14 16:20:46,417 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-14 16:20:46,417 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-14 16:20:46,418 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-14 16:20:46,419 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-14 16:20:46,419 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-14 16:20:46,446 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 16:20:46,446 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 16:20:46,450 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 16:20:46,450 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 16:20:46,451 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 16:20:46,451 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 16:20:46,451 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 16:20:46,451 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 16:20:46,453 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 16:20:46,453 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 16:20:46,453 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 16:20:46,453 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 16:20:46,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 16:20:46,454 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 16:20:46,454 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-14 16:20:46,454 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-14 16:20:46,454 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 16:20:46,454 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 16:20:46,454 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 16:20:46,455 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 16:20:46,455 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 16:20:46,455 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 16:20:46,455 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 16:20:46,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 16:20:46,456 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 16:20:46,456 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 16:20:46,456 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 16:20:46,456 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-14 16:20:46,456 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 16:20:46,457 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-14 16:20:46,458 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-14 16:20:46,458 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 16:20:46,512 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 16:20:46,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 16:20:46,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 16:20:46,531 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 16:20:46,531 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 16:20:46,532 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/bubble_sort_linux_false-unreach-call_false-valid-memcleanup.i [2018-11-14 16:20:46,593 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55768847b/55391d22ba31431bb1ccf45481ac55d1/FLAG950c77f5e [2018-11-14 16:20:47,185 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 16:20:47,186 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/bubble_sort_linux_false-unreach-call_false-valid-memcleanup.i [2018-11-14 16:20:47,207 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55768847b/55391d22ba31431bb1ccf45481ac55d1/FLAG950c77f5e [2018-11-14 16:20:47,221 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55768847b/55391d22ba31431bb1ccf45481ac55d1 [2018-11-14 16:20:47,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 16:20:47,232 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 16:20:47,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 16:20:47,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 16:20:47,237 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 16:20:47,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:20:47" (1/1) ... [2018-11-14 16:20:47,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b3d584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:47, skipping insertion in model container [2018-11-14 16:20:47,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:20:47" (1/1) ... [2018-11-14 16:20:47,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 16:20:47,319 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 16:20:47,974 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 16:20:47,990 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 16:20:48,168 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 16:20:48,336 INFO L195 MainTranslator]: Completed translation [2018-11-14 16:20:48,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48 WrapperNode [2018-11-14 16:20:48,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 16:20:48,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 16:20:48,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 16:20:48,338 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 16:20:48,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2018-11-14 16:20:48,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2018-11-14 16:20:48,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2018-11-14 16:20:48,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2018-11-14 16:20:48,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2018-11-14 16:20:48,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2018-11-14 16:20:48,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2018-11-14 16:20:48,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 16:20:48,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 16:20:48,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 16:20:48,534 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 16:20:48,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (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 [2018-11-14 16:20:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 16:20:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 16:20:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-14 16:20:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-14 16:20:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-14 16:20:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2018-11-14 16:20:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2018-11-14 16:20:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2018-11-14 16:20:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-11-14 16:20:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2018-11-14 16:20:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-11-14 16:20:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2018-11-14 16:20:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-11-14 16:20:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-11-14 16:20:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2018-11-14 16:20:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-11-14 16:20:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 16:20:48,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 16:20:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-14 16:20:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-14 16:20:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-14 16:20:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-14 16:20:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-14 16:20:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-14 16:20:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-14 16:20:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-14 16:20:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-14 16:20:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-14 16:20:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-14 16:20:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-14 16:20:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-14 16:20:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-14 16:20:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-14 16:20:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-14 16:20:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-14 16:20:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-14 16:20:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-14 16:20:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-14 16:20:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-14 16:20:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-14 16:20:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-14 16:20:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-14 16:20:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-14 16:20:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-14 16:20:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-14 16:20:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-14 16:20:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-14 16:20:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-14 16:20:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-14 16:20:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-14 16:20:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-14 16:20:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-14 16:20:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-14 16:20:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-14 16:20:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-14 16:20:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-14 16:20:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-14 16:20:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-14 16:20:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-14 16:20:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-14 16:20:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-14 16:20:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-14 16:20:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-14 16:20:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-14 16:20:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-14 16:20:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-14 16:20:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-14 16:20:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-14 16:20:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-14 16:20:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-14 16:20:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-14 16:20:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-14 16:20:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-14 16:20:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-14 16:20:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-14 16:20:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-14 16:20:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-14 16:20:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-14 16:20:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-14 16:20:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-14 16:20:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-14 16:20:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-14 16:20:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-14 16:20:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-14 16:20:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-14 16:20:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-14 16:20:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-14 16:20:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-14 16:20:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-14 16:20:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-14 16:20:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-14 16:20:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-14 16:20:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-14 16:20:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-14 16:20:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-14 16:20:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-14 16:20:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-14 16:20:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-14 16:20:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-14 16:20:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-14 16:20:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-14 16:20:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-14 16:20:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-14 16:20:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-14 16:20:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-14 16:20:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-14 16:20:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-14 16:20:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-14 16:20:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-14 16:20:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-14 16:20:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-14 16:20:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-14 16:20:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-14 16:20:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-14 16:20:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-14 16:20:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-14 16:20:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-14 16:20:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-14 16:20:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-14 16:20:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-14 16:20:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2018-11-14 16:20:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2018-11-14 16:20:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2018-11-14 16:20:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2018-11-14 16:20:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2018-11-14 16:20:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2018-11-14 16:20:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2018-11-14 16:20:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2018-11-14 16:20:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2018-11-14 16:20:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2018-11-14 16:20:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2018-11-14 16:20:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2018-11-14 16:20:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2018-11-14 16:20:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2018-11-14 16:20:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2018-11-14 16:20:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2018-11-14 16:20:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2018-11-14 16:20:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2018-11-14 16:20:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2018-11-14 16:20:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2018-11-14 16:20:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2018-11-14 16:20:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2018-11-14 16:20:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2018-11-14 16:20:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2018-11-14 16:20:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2018-11-14 16:20:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2018-11-14 16:20:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2018-11-14 16:20:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2018-11-14 16:20:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2018-11-14 16:20:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2018-11-14 16:20:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2018-11-14 16:20:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2018-11-14 16:20:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2018-11-14 16:20:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2018-11-14 16:20:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2018-11-14 16:20:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2018-11-14 16:20:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2018-11-14 16:20:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2018-11-14 16:20:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-14 16:20:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2018-11-14 16:20:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2018-11-14 16:20:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2018-11-14 16:20:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2018-11-14 16:20:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2018-11-14 16:20:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2018-11-14 16:20:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2018-11-14 16:20:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2018-11-14 16:20:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2018-11-14 16:20:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2018-11-14 16:20:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2018-11-14 16:20:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2018-11-14 16:20:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2018-11-14 16:20:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2018-11-14 16:20:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2018-11-14 16:20:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2018-11-14 16:20:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2018-11-14 16:20:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2018-11-14 16:20:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2018-11-14 16:20:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2018-11-14 16:20:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2018-11-14 16:20:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2018-11-14 16:20:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2018-11-14 16:20:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2018-11-14 16:20:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2018-11-14 16:20:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2018-11-14 16:20:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2018-11-14 16:20:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2018-11-14 16:20:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2018-11-14 16:20:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2018-11-14 16:20:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2018-11-14 16:20:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2018-11-14 16:20:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2018-11-14 16:20:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2018-11-14 16:20:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-14 16:20:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2018-11-14 16:20:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2018-11-14 16:20:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2018-11-14 16:20:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2018-11-14 16:20:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2018-11-14 16:20:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2018-11-14 16:20:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2018-11-14 16:20:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2018-11-14 16:20:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2018-11-14 16:20:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2018-11-14 16:20:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2018-11-14 16:20:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2018-11-14 16:20:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2018-11-14 16:20:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2018-11-14 16:20:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2018-11-14 16:20:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2018-11-14 16:20:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2018-11-14 16:20:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2018-11-14 16:20:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2018-11-14 16:20:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2018-11-14 16:20:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2018-11-14 16:20:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2018-11-14 16:20:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2018-11-14 16:20:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2018-11-14 16:20:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2018-11-14 16:20:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2018-11-14 16:20:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2018-11-14 16:20:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-14 16:20:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-14 16:20:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2018-11-14 16:20:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-14 16:20:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-14 16:20:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-14 16:20:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2018-11-14 16:20:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-11-14 16:20:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2018-11-14 16:20:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2018-11-14 16:20:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-14 16:20:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-14 16:20:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2018-11-14 16:20:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-11-14 16:20:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-14 16:20:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2018-11-14 16:20:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-14 16:20:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2018-11-14 16:20:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2018-11-14 16:20:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 16:20:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 16:20:48,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 16:20:48,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-14 16:20:50,983 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 16:20:50,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:20:50 BoogieIcfgContainer [2018-11-14 16:20:50,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 16:20:50,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 16:20:50,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 16:20:50,989 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 16:20:50,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:20:47" (1/3) ... [2018-11-14 16:20:50,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9974a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:20:50, skipping insertion in model container [2018-11-14 16:20:50,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (2/3) ... [2018-11-14 16:20:50,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9974a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:20:50, skipping insertion in model container [2018-11-14 16:20:50,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:20:50" (3/3) ... [2018-11-14 16:20:50,992 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux_false-unreach-call_false-valid-memcleanup.i [2018-11-14 16:20:51,002 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 16:20:51,011 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 16:20:51,029 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 16:20:51,064 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 16:20:51,065 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 16:20:51,065 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 16:20:51,066 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 16:20:51,066 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 16:20:51,066 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 16:20:51,066 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 16:20:51,066 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 16:20:51,067 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 16:20:51,090 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2018-11-14 16:20:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-14 16:20:51,098 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:20:51,099 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 16:20:51,101 INFO L423 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:20:51,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:20:51,108 INFO L82 PathProgramCache]: Analyzing trace with hash 344600023, now seen corresponding path program 1 times [2018-11-14 16:20:51,113 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:20:51,114 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 16:20:51,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:20:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:20:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:20:51,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:20:51,438 INFO L256 TraceCheckUtils]: 0: Hoare triple {157#true} call ULTIMATE.init(); {157#true} is VALID [2018-11-14 16:20:51,441 INFO L273 TraceCheckUtils]: 1: Hoare triple {157#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];call ~#gl_list~0.base, ~#gl_list~0.offset := #Ultimate.alloc(8bv32);call write~$Pointer$(~#gl_list~0.base, ~#gl_list~0.offset, ~#gl_list~0.base, ~#gl_list~0.offset, 4bv32);call write~$Pointer$(~#gl_list~0.base, ~#gl_list~0.offset, ~#gl_list~0.base, ~bvadd32(4bv32, ~#gl_list~0.offset), 4bv32); {157#true} is VALID [2018-11-14 16:20:51,442 INFO L273 TraceCheckUtils]: 2: Hoare triple {157#true} assume true; {157#true} is VALID [2018-11-14 16:20:51,442 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {157#true} {157#true} #520#return; {157#true} is VALID [2018-11-14 16:20:51,442 INFO L256 TraceCheckUtils]: 4: Hoare triple {157#true} call #t~ret59 := main(); {157#true} is VALID [2018-11-14 16:20:51,442 INFO L256 TraceCheckUtils]: 5: Hoare triple {157#true} call gl_read(); {157#true} is VALID [2018-11-14 16:20:51,443 INFO L273 TraceCheckUtils]: 6: Hoare triple {157#true} assume !true; {158#false} is VALID [2018-11-14 16:20:51,444 INFO L273 TraceCheckUtils]: 7: Hoare triple {158#false} assume true; {158#false} is VALID [2018-11-14 16:20:51,444 INFO L268 TraceCheckUtils]: 8: Hoare quadruple {158#false} {157#true} #504#return; {158#false} is VALID [2018-11-14 16:20:51,444 INFO L256 TraceCheckUtils]: 9: Hoare triple {158#false} call inspect(~#gl_list~0.base, ~#gl_list~0.offset); {158#false} is VALID [2018-11-14 16:20:51,444 INFO L273 TraceCheckUtils]: 10: Hoare triple {158#false} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {158#false} is VALID [2018-11-14 16:20:51,445 INFO L273 TraceCheckUtils]: 11: Hoare triple {158#false} assume true; {158#false} is VALID [2018-11-14 16:20:51,445 INFO L273 TraceCheckUtils]: 12: Hoare triple {158#false} assume ~head.base == 0bv32 && ~head.offset == 0bv32; {158#false} is VALID [2018-11-14 16:20:51,445 INFO L256 TraceCheckUtils]: 13: Hoare triple {158#false} call fail(); {158#false} is VALID [2018-11-14 16:20:51,445 INFO L273 TraceCheckUtils]: 14: Hoare triple {158#false} assume !false; {158#false} is VALID [2018-11-14 16:20:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 16:20:51,449 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 16:20:51,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 16:20:51,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-14 16:20:51,458 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2018-11-14 16:20:51,461 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:20:51,465 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-14 16:20:51,535 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:20:51,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-14 16:20:51,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-14 16:20:51,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 16:20:51,548 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2018-11-14 16:20:52,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:20:52,348 INFO L93 Difference]: Finished difference Result 298 states and 469 transitions. [2018-11-14 16:20:52,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-14 16:20:52,348 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2018-11-14 16:20:52,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:20:52,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 16:20:52,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 469 transitions. [2018-11-14 16:20:52,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 16:20:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 469 transitions. [2018-11-14 16:20:52,421 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 469 transitions. [2018-11-14 16:20:53,185 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 469 edges. 469 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:20:53,210 INFO L225 Difference]: With dead ends: 298 [2018-11-14 16:20:53,210 INFO L226 Difference]: Without dead ends: 138 [2018-11-14 16:20:53,217 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 16:20:53,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-14 16:20:53,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-14 16:20:53,333 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:20:53,334 INFO L82 GeneralOperation]: Start isEquivalent. First operand 138 states. Second operand 138 states. [2018-11-14 16:20:53,334 INFO L74 IsIncluded]: Start isIncluded. First operand 138 states. Second operand 138 states. [2018-11-14 16:20:53,334 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 138 states. [2018-11-14 16:20:53,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:20:53,348 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2018-11-14 16:20:53,348 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 159 transitions. [2018-11-14 16:20:53,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:20:53,352 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:20:53,352 INFO L74 IsIncluded]: Start isIncluded. First operand 138 states. Second operand 138 states. [2018-11-14 16:20:53,352 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 138 states. [2018-11-14 16:20:53,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:20:53,371 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2018-11-14 16:20:53,371 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 159 transitions. [2018-11-14 16:20:53,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:20:53,378 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:20:53,378 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:20:53,378 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:20:53,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-14 16:20:53,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 159 transitions. [2018-11-14 16:20:53,395 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 159 transitions. Word has length 15 [2018-11-14 16:20:53,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:20:53,395 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 159 transitions. [2018-11-14 16:20:53,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-14 16:20:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 159 transitions. [2018-11-14 16:20:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-14 16:20:53,396 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:20:53,397 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-14 16:20:53,397 INFO L423 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:20:53,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:20:53,397 INFO L82 PathProgramCache]: Analyzing trace with hash 826001747, now seen corresponding path program 1 times [2018-11-14 16:20:53,398 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:20:53,399 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 16:20:53,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:20:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:20:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:20:53,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:20:53,824 INFO L256 TraceCheckUtils]: 0: Hoare triple {1066#true} call ULTIMATE.init(); {1066#true} is VALID [2018-11-14 16:20:53,826 INFO L273 TraceCheckUtils]: 1: Hoare triple {1066#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];call ~#gl_list~0.base, ~#gl_list~0.offset := #Ultimate.alloc(8bv32);call write~$Pointer$(~#gl_list~0.base, ~#gl_list~0.offset, ~#gl_list~0.base, ~#gl_list~0.offset, 4bv32);call write~$Pointer$(~#gl_list~0.base, ~#gl_list~0.offset, ~#gl_list~0.base, ~bvadd32(4bv32, ~#gl_list~0.offset), 4bv32); {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,826 INFO L273 TraceCheckUtils]: 2: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} assume true; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,827 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} {1066#true} #520#return; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,828 INFO L256 TraceCheckUtils]: 4: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} call #t~ret59 := main(); {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,828 INFO L256 TraceCheckUtils]: 5: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} call gl_read(); {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,829 INFO L273 TraceCheckUtils]: 6: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} assume true; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,829 INFO L256 TraceCheckUtils]: 7: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} call gl_insert(#t~nondet50); {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,830 INFO L273 TraceCheckUtils]: 8: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} ~value := #in~value;call #t~malloc48.base, #t~malloc48.offset := #Ultimate.alloc(20bv32);~node~1.base, ~node~1.offset := #t~malloc48.base, #t~malloc48.offset; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,831 INFO L273 TraceCheckUtils]: 9: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} assume !(~node~1.base == 0bv32 && ~node~1.offset == 0bv32); {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,831 INFO L273 TraceCheckUtils]: 10: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} call write~intINTTYPE4(~value, ~node~1.base, ~node~1.offset, 4bv32); {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,833 INFO L256 TraceCheckUtils]: 11: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} call list_add(~node~1.base, ~bvadd32(4bv32, ~node~1.offset), ~#gl_list~0.base, ~#gl_list~0.offset); {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,834 INFO L273 TraceCheckUtils]: 12: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} ~new.base, ~new.offset := #in~new.base, #in~new.offset;~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem45.base, #t~mem45.offset := read~$Pointer$(~head.base, ~head.offset, 4bv32); {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,835 INFO L256 TraceCheckUtils]: 13: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} call __list_add(~new.base, ~new.offset, ~head.base, ~head.offset, #t~mem45.base, #t~mem45.offset); {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,836 INFO L273 TraceCheckUtils]: 14: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} ~new.base, ~new.offset := #in~new.base, #in~new.offset;~prev.base, ~prev.offset := #in~prev.base, #in~prev.offset;~next.base, ~next.offset := #in~next.base, #in~next.offset;call write~$Pointer$(~new.base, ~new.offset, ~next.base, ~bvadd32(4bv32, ~next.offset), 4bv32);call write~$Pointer$(~next.base, ~next.offset, ~new.base, ~new.offset, 4bv32);call write~$Pointer$(~prev.base, ~prev.offset, ~new.base, ~bvadd32(4bv32, ~new.offset), 4bv32);call write~$Pointer$(~new.base, ~new.offset, ~prev.base, ~prev.offset, 4bv32); {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,837 INFO L273 TraceCheckUtils]: 15: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} assume true; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,838 INFO L268 TraceCheckUtils]: 16: Hoare quadruple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} #514#return; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,839 INFO L273 TraceCheckUtils]: 17: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} havoc #t~mem45.base, #t~mem45.offset; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,839 INFO L273 TraceCheckUtils]: 18: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} assume true; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,840 INFO L268 TraceCheckUtils]: 19: Hoare quadruple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} #458#return; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,841 INFO L273 TraceCheckUtils]: 20: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} assume true;call write~$Pointer$(~node~1.base, ~bvadd32(12bv32, ~node~1.offset), ~node~1.base, ~bvadd32(12bv32, ~node~1.offset), 4bv32);call write~$Pointer$(~node~1.base, ~bvadd32(12bv32, ~node~1.offset), ~node~1.base, ~bvadd32(12bv32, ~node~1.offset), 4bv32); {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,842 INFO L273 TraceCheckUtils]: 21: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} assume true; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,842 INFO L273 TraceCheckUtils]: 22: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} assume true; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,843 INFO L268 TraceCheckUtils]: 23: Hoare quadruple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} #502#return; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,844 INFO L273 TraceCheckUtils]: 24: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} havoc #t~nondet50; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,845 INFO L273 TraceCheckUtils]: 25: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} assume !(#t~nondet49 != 0bv32);havoc #t~nondet49; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,846 INFO L273 TraceCheckUtils]: 26: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} assume true; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,847 INFO L268 TraceCheckUtils]: 27: Hoare quadruple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} #504#return; {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,848 INFO L256 TraceCheckUtils]: 28: Hoare triple {1074#(not (= |~#gl_list~0.base| (_ bv0 32)))} call inspect(~#gl_list~0.base, ~#gl_list~0.offset); {1156#(not (= |inspect_#in~head.base| (_ bv0 32)))} is VALID [2018-11-14 16:20:53,849 INFO L273 TraceCheckUtils]: 29: Hoare triple {1156#(not (= |inspect_#in~head.base| (_ bv0 32)))} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {1160#(not (= (_ bv0 32) inspect_~head.base))} is VALID [2018-11-14 16:20:53,850 INFO L273 TraceCheckUtils]: 30: Hoare triple {1160#(not (= (_ bv0 32) inspect_~head.base))} assume true; {1160#(not (= (_ bv0 32) inspect_~head.base))} is VALID [2018-11-14 16:20:53,853 INFO L273 TraceCheckUtils]: 31: Hoare triple {1160#(not (= (_ bv0 32) inspect_~head.base))} assume ~head.base == 0bv32 && ~head.offset == 0bv32; {1067#false} is VALID [2018-11-14 16:20:53,853 INFO L256 TraceCheckUtils]: 32: Hoare triple {1067#false} call fail(); {1067#false} is VALID [2018-11-14 16:20:53,854 INFO L273 TraceCheckUtils]: 33: Hoare triple {1067#false} assume !false; {1067#false} is VALID [2018-11-14 16:20:53,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 16:20:53,861 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (3)] Exception during sending of exit command (exit): Broken pipe [2018-11-14 16:20:53,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 16:20:53,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-14 16:20:53,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-11-14 16:20:53,870 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:20:53,871 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-14 16:20:53,954 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:20:53,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-14 16:20:53,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-14 16:20:53,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-14 16:20:53,955 INFO L87 Difference]: Start difference. First operand 138 states and 159 transitions. Second operand 5 states. [2018-11-14 16:20:55,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:20:55,313 INFO L93 Difference]: Finished difference Result 140 states and 160 transitions. [2018-11-14 16:20:55,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-14 16:20:55,313 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-11-14 16:20:55,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:20:55,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 16:20:55,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 160 transitions. [2018-11-14 16:20:55,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 16:20:55,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 160 transitions. [2018-11-14 16:20:55,321 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 160 transitions. [2018-11-14 16:20:55,584 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 160 edges. 160 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:20:55,591 INFO L225 Difference]: With dead ends: 140 [2018-11-14 16:20:55,591 INFO L226 Difference]: Without dead ends: 137 [2018-11-14 16:20:55,593 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-14 16:20:55,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-14 16:20:55,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-14 16:20:55,716 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:20:55,716 INFO L82 GeneralOperation]: Start isEquivalent. First operand 137 states. Second operand 137 states. [2018-11-14 16:20:55,716 INFO L74 IsIncluded]: Start isIncluded. First operand 137 states. Second operand 137 states. [2018-11-14 16:20:55,716 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 137 states. [2018-11-14 16:20:55,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:20:55,724 INFO L93 Difference]: Finished difference Result 137 states and 157 transitions. [2018-11-14 16:20:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2018-11-14 16:20:55,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:20:55,726 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:20:55,726 INFO L74 IsIncluded]: Start isIncluded. First operand 137 states. Second operand 137 states. [2018-11-14 16:20:55,726 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 137 states. [2018-11-14 16:20:55,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:20:55,733 INFO L93 Difference]: Finished difference Result 137 states and 157 transitions. [2018-11-14 16:20:55,733 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2018-11-14 16:20:55,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:20:55,735 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:20:55,735 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:20:55,735 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:20:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-14 16:20:55,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 157 transitions. [2018-11-14 16:20:55,741 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 157 transitions. Word has length 34 [2018-11-14 16:20:55,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:20:55,742 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 157 transitions. [2018-11-14 16:20:55,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-14 16:20:55,742 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2018-11-14 16:20:55,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-14 16:20:55,743 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:20:55,744 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-14 16:20:55,744 INFO L423 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:20:55,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:20:55,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1259587791, now seen corresponding path program 1 times [2018-11-14 16:20:55,745 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:20:55,745 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 16:20:55,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:20:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:20:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:20:55,911 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:20:55,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-14 16:20:56,002 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:20:56,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-11-14 16:20:56,024 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-14 16:20:56,039 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-14 16:20:56,073 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-14 16:20:56,073 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:27 [2018-11-14 16:20:56,082 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 16:20:56,278 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:20:56,280 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:20:56,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-11-14 16:20:56,284 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-14 16:20:56,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-11-14 16:20:56,318 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-14 16:20:56,334 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:20:56,334 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:7 [2018-11-14 16:20:56,337 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 16:20:56,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 48 [2018-11-14 16:20:56,736 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-14 16:20:56,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-14 16:20:56,763 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-14 16:20:57,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 53 [2018-11-14 16:20:57,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 44 [2018-11-14 16:20:57,181 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:20:57,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-14 16:20:57,192 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-14 16:20:57,243 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:20:57,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 41 [2018-11-14 16:20:57,713 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:20:57,717 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:20:57,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 44 [2018-11-14 16:20:57,817 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-14 16:20:57,966 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-14 16:20:58,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2018-11-14 16:20:58,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-14 16:20:58,824 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-14 16:20:58,861 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:20:58,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 45 [2018-11-14 16:20:58,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-14 16:20:58,909 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-14 16:20:58,950 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:20:59,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 53 [2018-11-14 16:20:59,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2018-11-14 16:20:59,575 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-14 16:20:59,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-11-14 16:20:59,703 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-14 16:20:59,776 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:21:00,100 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-14 16:21:00,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 58 [2018-11-14 16:21:00,282 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 16:21:00,284 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 46 [2018-11-14 16:21:00,318 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:21:00,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 43 [2018-11-14 16:21:00,322 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-14 16:21:00,387 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:21:01,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2018-11-14 16:21:01,069 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:21:01,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-11-14 16:21:01,081 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-14 16:21:01,125 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:21:01,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 34 [2018-11-14 16:21:01,742 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:21:01,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 42 [2018-11-14 16:21:01,754 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-14 16:21:01,798 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:21:02,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 48 [2018-11-14 16:21:02,422 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:21:02,432 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:21:02,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 69 [2018-11-14 16:21:02,467 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2018-11-14 16:21:02,841 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-14 16:21:03,097 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-14 16:21:03,457 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-14 16:21:03,584 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-11-14 16:21:03,584 INFO L202 ElimStorePlain]: Needed 24 recursive calls to eliminate 4 variables, input treesize:81, output treesize:93 [2018-11-14 16:21:05,603 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 16:21:22,528 WARN L179 SmtUtils]: Spent 16.86 s on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2018-11-14 16:21:30,908 WARN L179 SmtUtils]: Spent 8.20 s on a formula simplification that was a NOOP. DAG size: 35 [2018-11-14 16:21:41,340 WARN L179 SmtUtils]: Spent 10.29 s on a formula simplification that was a NOOP. DAG size: 38 [2018-11-14 16:21:41,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 83 [2018-11-14 16:21:41,752 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:21:42,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 71 treesize of output 103 [2018-11-14 16:21:42,049 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-14 16:21:43,554 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:21:43,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 105 [2018-11-14 16:21:43,879 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-11-14 16:21:46,113 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:21:46,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 67 [2018-11-14 16:21:46,303 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-14 16:22:21,715 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 7 xjuncts.