java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/heap-manipulation/merge_sort-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:42:29,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:42:29,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:42:29,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:42:29,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:42:29,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:42:29,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:42:29,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:42:29,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:42:29,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:42:29,545 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:42:29,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:42:29,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:42:29,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:42:29,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:42:29,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:42:29,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:42:29,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:42:29,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:42:29,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:42:29,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:42:29,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:42:29,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:42:29,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:42:29,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 21:42:29,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 21:42:29,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 21:42:29,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 21:42:29,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 21:42:29,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 21:42:29,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:42:29,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:42:29,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:42:29,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:42:29,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:42:29,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:42:29,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:42:29,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:42:29,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:42:29,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:42:29,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:42:29,594 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 [2019-08-22 21:42:29,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:42:29,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:42:29,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:42:29,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:42:29,620 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:42:29,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:42:29,621 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:42:29,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:42:29,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:42:29,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:42:29,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:42:29,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:42:29,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:42:29,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:42:29,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:42:29,624 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:42:29,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:42:29,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:42:29,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:42:29,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:42:29,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:42:29,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:42:29,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:42:29,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:42:29,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:42:29,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:42:29,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:42:29,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:42:29,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:42:29,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:42:29,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:42:29,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:42:29,706 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:42:29,706 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:42:29,707 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/merge_sort-1.i [2019-08-22 21:42:29,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03426187e/72163028e23c45b7a755a2fbe844e506/FLAG2a332dc33 [2019-08-22 21:42:30,322 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:42:30,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/merge_sort-1.i [2019-08-22 21:42:30,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03426187e/72163028e23c45b7a755a2fbe844e506/FLAG2a332dc33 [2019-08-22 21:42:30,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03426187e/72163028e23c45b7a755a2fbe844e506 [2019-08-22 21:42:30,633 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:42:30,635 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:42:30,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:42:30,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:42:30,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:42:30,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:42:30" (1/1) ... [2019-08-22 21:42:30,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea267c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:30, skipping insertion in model container [2019-08-22 21:42:30,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:42:30" (1/1) ... [2019-08-22 21:42:30,651 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:42:30,711 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:42:31,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:42:31,176 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:42:31,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:42:31,313 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:42:31,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:31 WrapperNode [2019-08-22 21:42:31,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:42:31,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:42:31,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:42:31,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:42:31,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:31" (1/1) ... [2019-08-22 21:42:31,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:31" (1/1) ... [2019-08-22 21:42:31,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:31" (1/1) ... [2019-08-22 21:42:31,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:31" (1/1) ... [2019-08-22 21:42:31,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:31" (1/1) ... [2019-08-22 21:42:31,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:31" (1/1) ... [2019-08-22 21:42:31,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:31" (1/1) ... [2019-08-22 21:42:31,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:42:31,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:42:31,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:42:31,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:42:31,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:31" (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 [2019-08-22 21:42:31,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:42:31,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:42:31,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-22 21:42:31,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-22 21:42:31,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-08-22 21:42:31,474 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_single_node [2019-08-22 21:42:31,474 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_pair [2019-08-22 21:42:31,474 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sort_core [2019-08-22 21:42:31,474 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_before [2019-08-22 21:42:31,475 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_after [2019-08-22 21:42:31,475 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:42:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:42:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-22 21:42:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-22 21:42:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-22 21:42:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-22 21:42:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-22 21:42:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-22 21:42:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-22 21:42:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-22 21:42:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-22 21:42:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-22 21:42:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-22 21:42:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-22 21:42:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-22 21:42:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-22 21:42:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-22 21:42:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-22 21:42:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-22 21:42:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-22 21:42:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-22 21:42:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-22 21:42:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-22 21:42:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-22 21:42:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-22 21:42:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-22 21:42:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-22 21:42:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-22 21:42:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-22 21:42:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-22 21:42:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-22 21:42:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-22 21:42:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-22 21:42:31,481 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-22 21:42:31,481 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-22 21:42:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-22 21:42:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-22 21:42:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-22 21:42:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-22 21:42:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-22 21:42:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-22 21:42:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-22 21:42:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-22 21:42:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-22 21:42:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-22 21:42:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-22 21:42:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-22 21:42:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-22 21:42:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-22 21:42:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-22 21:42:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-22 21:42:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-22 21:42:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-22 21:42:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-22 21:42:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-22 21:42:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-22 21:42:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-22 21:42:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-22 21:42:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-22 21:42:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-22 21:42:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-22 21:42:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-22 21:42:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-22 21:42:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-22 21:42:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-22 21:42:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-22 21:42:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-22 21:42:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-22 21:42:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-22 21:42:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-22 21:42:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-22 21:42:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-22 21:42:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-22 21:42:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-22 21:42:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-22 21:42:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-22 21:42:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-22 21:42:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-22 21:42:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-22 21:42:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-22 21:42:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-22 21:42:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-22 21:42:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-22 21:42:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-22 21:42:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-22 21:42:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-22 21:42:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-22 21:42:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-22 21:42:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-22 21:42:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-22 21:42:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-22 21:42:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-22 21:42:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-22 21:42:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-22 21:42:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-22 21:42:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-22 21:42:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-22 21:42:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-22 21:42:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-22 21:42:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-22 21:42:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-22 21:42:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-22 21:42:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-22 21:42:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-22 21:42:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 21:42:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-08-22 21:42:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure merge_single_node [2019-08-22 21:42:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 21:42:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 21:42:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure merge_pair [2019-08-22 21:42:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:42:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:42:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:42:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sort_core [2019-08-22 21:42:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_before [2019-08-22 21:42:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_after [2019-08-22 21:42:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:42:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-22 21:42:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:42:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:42:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:42:32,378 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:42:32,379 INFO L283 CfgBuilder]: Removed 33 assume(true) statements. [2019-08-22 21:42:32,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:42:32 BoogieIcfgContainer [2019-08-22 21:42:32,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:42:32,381 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:42:32,381 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:42:32,382 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:42:32,383 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:42:32" (1/1) ... [2019-08-22 21:42:32,401 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:42:32,407 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:42:32,421 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:42:32,430 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:42:32,432 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:42:32,510 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 [2019-08-22 21:42:32,510 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:32,528 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:32,528 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:42:32,529 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:42:32,548 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 27 [2019-08-22 21:42:32,626 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:32,676 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:32,701 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:32,715 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:33,231 WARN L188 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 84 [2019-08-22 21:42:33,232 INFO L567 ElimStorePlain]: treesize reduction 605, result has 20.1 percent of original size [2019-08-22 21:42:33,234 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:33,234 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:805, output treesize:152 [2019-08-22 21:42:33,252 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_27|], 4=[|v_#memory_$Pointer$.offset_55|, |v_#memory_$Pointer$.base_55|]} [2019-08-22 21:42:33,263 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:33,283 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:33,962 WARN L188 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 104 [2019-08-22 21:42:33,962 INFO L567 ElimStorePlain]: treesize reduction 225, result has 49.0 percent of original size [2019-08-22 21:42:33,973 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:34,200 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-22 21:42:34,201 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:34,212 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:34,418 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-08-22 21:42:34,419 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:34,420 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:34,421 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:465, output treesize:224 [2019-08-22 21:42:34,452 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:42:34,500 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:34,510 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:34,520 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:34,546 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:39,758 WARN L188 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 186 DAG size of output: 164 [2019-08-22 21:42:39,759 INFO L567 ElimStorePlain]: treesize reduction 629, result has 46.6 percent of original size [2019-08-22 21:42:39,773 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:41,834 WARN L188 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 161 [2019-08-22 21:42:41,834 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:41,838 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 11 dim-0 vars, and 2 xjuncts. [2019-08-22 21:42:41,839 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:1225, output treesize:574 [2019-08-22 21:42:41,866 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_27|], 4=[|v_#memory_$Pointer$.base_57|, |v_#memory_$Pointer$.offset_57|]} [2019-08-22 21:42:41,901 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:41,911 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:41,952 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:41,962 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:57,018 WARN L188 SmtUtils]: Spent 15.06 s on a formula simplification. DAG size of input: 210 DAG size of output: 194 [2019-08-22 21:42:57,019 INFO L567 ElimStorePlain]: treesize reduction 774, result has 49.5 percent of original size [2019-08-22 21:42:57,044 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:42:57,121 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:43:03,897 WARN L188 SmtUtils]: Spent 6.77 s on a formula simplification that was a NOOP. DAG size: 193 [2019-08-22 21:43:03,897 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:43:03,917 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:43:03,974 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:43:11,708 WARN L188 SmtUtils]: Spent 7.73 s on a formula simplification that was a NOOP. DAG size: 195 [2019-08-22 21:43:11,708 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:43:11,712 INFO L496 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 3 dim-2 vars, End of recursive call: 18 dim-0 vars, and 2 xjuncts. [2019-08-22 21:43:11,712 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 15 variables, input treesize:1581, output treesize:907 [2019-08-22 21:43:11,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:43:11,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:43:12,007 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:43:14,008 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:43:15,853 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:43:15,869 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:43:17,897 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:43:17,913 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:43:17,928 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:43:19,966 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.