java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/dll2c_append_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:11:18,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:11:18,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:11:18,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:11:18,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:11:18,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:11:18,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:11:18,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:11:18,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:11:18,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:11:18,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:11:18,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:11:18,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:11:18,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:11:18,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:11:18,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:11:18,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:11:18,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:11:18,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:11:18,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:11:18,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:11:18,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:11:18,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:11:18,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:11:18,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:11:18,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:11:18,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:11:18,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:11:18,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:11:18,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:11:18,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:11:18,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:11:18,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:11:18,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:11:18,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:11:18,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:11:18,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:11:18,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:11:18,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:11:18,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:11:18,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:11:18,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:11:18,397 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:11:18,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:11:18,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:11:18,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:11:18,400 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:11:18,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:11:18,400 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:11:18,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:11:18,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:11:18,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:11:18,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:11:18,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:11:18,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:11:18,403 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:11:18,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:11:18,403 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:11:18,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:11:18,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:11:18,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:11:18,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:11:18,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:11:18,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:11:18,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:11:18,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:11:18,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:11:18,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:11:18,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:11:18,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:11:18,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:11:18,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:11:18,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:11:18,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:11:18,714 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:11:18,714 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:11:18,715 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_append_equal.i [2019-10-14 23:11:18,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35e7ff71c/bf9b658ea35e4178bafa2a18abb0b820/FLAGafa1ccc03 [2019-10-14 23:11:19,335 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:11:19,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_append_equal.i [2019-10-14 23:11:19,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35e7ff71c/bf9b658ea35e4178bafa2a18abb0b820/FLAGafa1ccc03 [2019-10-14 23:11:19,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35e7ff71c/bf9b658ea35e4178bafa2a18abb0b820 [2019-10-14 23:11:19,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:11:19,774 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:11:19,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:11:19,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:11:19,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:11:19,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:11:19" (1/1) ... [2019-10-14 23:11:19,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b09b9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:19, skipping insertion in model container [2019-10-14 23:11:19,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:11:19" (1/1) ... [2019-10-14 23:11:19,789 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:11:19,837 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:11:20,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:11:20,322 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:11:20,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:11:20,437 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:11:20,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:20 WrapperNode [2019-10-14 23:11:20,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:11:20,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:11:20,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:11:20,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:11:20,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:20" (1/1) ... [2019-10-14 23:11:20,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:20" (1/1) ... [2019-10-14 23:11:20,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:20" (1/1) ... [2019-10-14 23:11:20,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:20" (1/1) ... [2019-10-14 23:11:20,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:20" (1/1) ... [2019-10-14 23:11:20,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:20" (1/1) ... [2019-10-14 23:11:20,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:20" (1/1) ... [2019-10-14 23:11:20,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:11:20,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:11:20,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:11:20,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:11:20,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:11:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:11:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:11:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-14 23:11:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-14 23:11:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-14 23:11:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-10-14 23:11:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-10-14 23:11:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-10-14 23:11:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_append [2019-10-14 23:11:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:11:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:11:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-14 23:11:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-14 23:11:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-14 23:11:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-14 23:11:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-14 23:11:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-14 23:11:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-14 23:11:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-14 23:11:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-14 23:11:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-14 23:11:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-14 23:11:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-14 23:11:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-14 23:11:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-14 23:11:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-14 23:11:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-14 23:11:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-14 23:11:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-14 23:11:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-14 23:11:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-14 23:11:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-14 23:11:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-14 23:11:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-14 23:11:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-14 23:11:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-14 23:11:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-14 23:11:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-14 23:11:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-14 23:11:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-14 23:11:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-14 23:11:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-14 23:11:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-14 23:11:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-14 23:11:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-14 23:11:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-14 23:11:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-14 23:11:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-14 23:11:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-14 23:11:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-14 23:11:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-14 23:11:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-14 23:11:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-14 23:11:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-14 23:11:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-14 23:11:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-14 23:11:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-14 23:11:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-14 23:11:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-14 23:11:20,577 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-14 23:11:20,577 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-14 23:11:20,577 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-14 23:11:20,577 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-14 23:11:20,577 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:11:20,577 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 23:11:20,577 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-14 23:11:20,578 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:11:20,578 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-14 23:11:20,578 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-14 23:11:20,578 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-14 23:11:20,578 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-14 23:11:20,578 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-14 23:11:20,579 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-14 23:11:20,579 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-14 23:11:20,579 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-14 23:11:20,579 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-14 23:11:20,579 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:11:20,579 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-14 23:11:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-14 23:11:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-14 23:11:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-14 23:11:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-14 23:11:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-14 23:11:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-14 23:11:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-14 23:11:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-14 23:11:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-14 23:11:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-14 23:11:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-14 23:11:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-14 23:11:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-14 23:11:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-14 23:11:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-14 23:11:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-14 23:11:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-14 23:11:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-14 23:11:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-14 23:11:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-14 23:11:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-14 23:11:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-14 23:11:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-14 23:11:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-14 23:11:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-14 23:11:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-14 23:11:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-14 23:11:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-14 23:11:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-14 23:11:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-14 23:11:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-14 23:11:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-14 23:11:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-14 23:11:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-14 23:11:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-14 23:11:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-14 23:11:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-14 23:11:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-14 23:11:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-14 23:11:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-10-14 23:11:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:11:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:11:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:11:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-10-14 23:11:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-10-14 23:11:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:11:20,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:11:20,587 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_append [2019-10-14 23:11:20,587 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:11:20,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:11:20,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 23:11:20,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:11:20,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:11:20,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:11:21,020 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-14 23:11:21,199 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:11:21,199 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-14 23:11:21,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:11:21 BoogieIcfgContainer [2019-10-14 23:11:21,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:11:21,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:11:21,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:11:21,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:11:21,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:11:19" (1/3) ... [2019-10-14 23:11:21,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dd1f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:11:21, skipping insertion in model container [2019-10-14 23:11:21,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:20" (2/3) ... [2019-10-14 23:11:21,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dd1f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:11:21, skipping insertion in model container [2019-10-14 23:11:21,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:11:21" (3/3) ... [2019-10-14 23:11:21,209 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2c_append_equal.i [2019-10-14 23:11:21,219 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:11:21,227 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:11:21,239 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:11:21,264 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:11:21,264 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:11:21,264 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:11:21,265 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:11:21,265 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:11:21,265 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:11:21,265 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:11:21,265 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:11:21,286 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2019-10-14 23:11:21,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-14 23:11:21,294 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:11:21,296 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:11:21,298 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:11:21,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:11:21,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1733597986, now seen corresponding path program 1 times [2019-10-14 23:11:21,314 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:11:21,314 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655972267] [2019-10-14 23:11:21,315 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:21,315 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:21,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:11:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:21,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-14 23:11:21,747 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655972267] [2019-10-14 23:11:21,750 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:11:21,750 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:11:21,751 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774054773] [2019-10-14 23:11:21,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:11:21,757 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:11:21,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:11:21,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:11:21,774 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 4 states. [2019-10-14 23:11:22,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:11:22,047 INFO L93 Difference]: Finished difference Result 97 states and 121 transitions. [2019-10-14 23:11:22,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:11:22,050 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-10-14 23:11:22,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:11:22,066 INFO L225 Difference]: With dead ends: 97 [2019-10-14 23:11:22,066 INFO L226 Difference]: Without dead ends: 39 [2019-10-14 23:11:22,079 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:11:22,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-14 23:11:22,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-10-14 23:11:22,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-10-14 23:11:22,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2019-10-14 23:11:22,146 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 36 [2019-10-14 23:11:22,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:11:22,148 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2019-10-14 23:11:22,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:11:22,148 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2019-10-14 23:11:22,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-14 23:11:22,153 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:11:22,154 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:11:22,154 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:11:22,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:11:22,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1013977802, now seen corresponding path program 1 times [2019-10-14 23:11:22,157 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:11:22,157 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097438702] [2019-10-14 23:11:22,157 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:22,159 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:22,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:11:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:22,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-14 23:11:22,466 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097438702] [2019-10-14 23:11:22,466 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:11:22,466 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 23:11:22,467 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290521564] [2019-10-14 23:11:22,469 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 23:11:22,469 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:11:22,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 23:11:22,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-14 23:11:22,470 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand 7 states. [2019-10-14 23:11:22,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:11:22,727 INFO L93 Difference]: Finished difference Result 68 states and 79 transitions. [2019-10-14 23:11:22,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 23:11:22,727 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-10-14 23:11:22,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:11:22,730 INFO L225 Difference]: With dead ends: 68 [2019-10-14 23:11:22,730 INFO L226 Difference]: Without dead ends: 44 [2019-10-14 23:11:22,733 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:11:22,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-10-14 23:11:22,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2019-10-14 23:11:22,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-10-14 23:11:22,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2019-10-14 23:11:22,749 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 36 [2019-10-14 23:11:22,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:11:22,750 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2019-10-14 23:11:22,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-14 23:11:22,750 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2019-10-14 23:11:22,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-14 23:11:22,753 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:11:22,753 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-10-14 23:11:22,754 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:11:22,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:11:22,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1378107786, now seen corresponding path program 1 times [2019-10-14 23:11:22,755 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:11:22,756 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423874242] [2019-10-14 23:11:22,756 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:22,756 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:22,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:11:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:23,495 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:11:23,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423874242] [2019-10-14 23:11:23,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287927001] [2019-10-14 23:11:23,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:11:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:23,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 45 conjunts are in the unsatisfiable core [2019-10-14 23:11:23,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:11:23,868 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2019-10-14 23:11:23,869 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:23,878 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:23,879 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:23,879 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2019-10-14 23:11:26,577 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 23 [2019-10-14 23:11:29,378 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 29 [2019-10-14 23:11:29,397 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:29,406 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:29,408 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:29,409 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:31 [2019-10-14 23:11:31,827 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:11:31,828 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:11:31,828 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 27 [2019-10-14 23:11:31,828 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104920999] [2019-10-14 23:11:31,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-14 23:11:31,829 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:11:31,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-14 23:11:31,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=633, Unknown=3, NotChecked=0, Total=702 [2019-10-14 23:11:31,830 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand 27 states. [2019-10-14 23:11:33,732 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 28 [2019-10-14 23:11:36,302 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 43 [2019-10-14 23:11:38,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:11:38,797 INFO L93 Difference]: Finished difference Result 75 states and 88 transitions. [2019-10-14 23:11:38,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-14 23:11:38,802 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 46 [2019-10-14 23:11:38,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:11:38,803 INFO L225 Difference]: With dead ends: 75 [2019-10-14 23:11:38,803 INFO L226 Difference]: Without dead ends: 44 [2019-10-14 23:11:38,805 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=115, Invalid=1142, Unknown=3, NotChecked=0, Total=1260 [2019-10-14 23:11:38,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-10-14 23:11:38,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2019-10-14 23:11:38,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-10-14 23:11:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2019-10-14 23:11:38,814 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 46 [2019-10-14 23:11:38,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:11:38,815 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2019-10-14 23:11:38,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-10-14 23:11:38,815 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2019-10-14 23:11:38,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-14 23:11:38,816 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:11:38,816 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-10-14 23:11:39,017 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:11:39,018 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:11:39,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:11:39,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1141852148, now seen corresponding path program 1 times [2019-10-14 23:11:39,019 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:11:39,019 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948504204] [2019-10-14 23:11:39,019 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:39,020 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:39,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:11:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:41,165 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-10-14 23:11:41,789 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-10-14 23:11:42,333 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2019-10-14 23:11:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:43,209 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 41 [2019-10-14 23:11:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:11:43,233 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948504204] [2019-10-14 23:11:43,233 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432934656] [2019-10-14 23:11:43,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:11:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:43,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 132 conjunts are in the unsatisfiable core [2019-10-14 23:11:43,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:11:43,553 INFO L375 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 6 treesize of output 5 [2019-10-14 23:11:43,554 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:43,560 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:43,561 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:43,561 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-10-14 23:11:43,664 INFO L375 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-10-14 23:11:43,665 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:43,671 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:43,671 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:43,672 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:3 [2019-10-14 23:11:43,815 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2019-10-14 23:11:43,815 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:43,827 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:43,827 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:43,828 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2019-10-14 23:11:43,946 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:43,946 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 39 [2019-10-14 23:11:43,947 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:43,984 INFO L567 ElimStorePlain]: treesize reduction 14, result has 73.1 percent of original size [2019-10-14 23:11:43,985 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:43,985 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:38 [2019-10-14 23:11:44,082 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 23:11:44,083 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2019-10-14 23:11:44,084 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:44,111 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:44,112 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:44,112 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:38 [2019-10-14 23:11:44,211 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 29 treesize of output 13 [2019-10-14 23:11:44,211 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:44,227 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:44,228 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:44,228 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:54, output treesize:35 [2019-10-14 23:11:44,410 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_42|], 2=[|v_#memory_int_51|, |v_#memory_int_43|]} [2019-10-14 23:11:44,422 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2019-10-14 23:11:44,423 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:44,459 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:44,466 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 23 treesize of output 11 [2019-10-14 23:11:44,467 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:44,494 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:44,500 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 23:11:44,501 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2019-10-14 23:11:44,502 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:44,523 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:44,526 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:44,527 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:96, output treesize:64 [2019-10-14 23:11:44,903 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 7 [2019-10-14 23:11:44,904 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:44,936 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:44,938 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_BEFORE_CALL_1|, |v_#memory_int_BEFORE_CALL_1|], 6=[|v_#memory_$Pointer$.base_BEFORE_CALL_5|]} [2019-10-14 23:11:44,946 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2019-10-14 23:11:44,946 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:44,974 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:44,979 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2019-10-14 23:11:44,980 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:45,027 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:45,048 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:45,049 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 46 [2019-10-14 23:11:45,051 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:11:45,054 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:11:45,055 INFO L496 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:45,095 INFO L567 ElimStorePlain]: treesize reduction 12, result has 70.0 percent of original size [2019-10-14 23:11:45,096 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:45,097 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:135, output treesize:13 [2019-10-14 23:11:45,292 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:45,323 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:45,328 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:45,354 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:45,355 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:45,355 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:112, output treesize:86 [2019-10-14 23:11:53,479 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 48 [2019-10-14 23:11:57,629 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 54 [2019-10-14 23:11:59,773 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 54 [2019-10-14 23:11:59,787 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_48|, |v_#memory_int_46|, |v_#memory_int_47|], 35=[|v_#memory_$Pointer$.offset_42|], 49=[|v_#memory_$Pointer$.base_44|]} [2019-10-14 23:11:59,811 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:12:00,336 WARN L191 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-10-14 23:12:00,336 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:12:00,362 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:12:00,871 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:12:00,871 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:12:00,891 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:12:01,271 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-10-14 23:12:01,271 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:12:01,277 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:12:01,691 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-10-14 23:12:01,692 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:12:01,696 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:12:02,232 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-10-14 23:12:02,233 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:12:02,234 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 5 dim-2 vars, End of recursive call: 12 dim-0 vars, and 1 xjuncts. [2019-10-14 23:12:02,234 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 12 variables, input treesize:3098, output treesize:13275