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/forester-heap/sll-rb-cnstr_1-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:47:20,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:47:20,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:47:20,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:47:20,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:47:20,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:47:20,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:47:20,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:47:20,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:47:20,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:47:20,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:47:20,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:47:20,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:47:20,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:47:20,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:47:20,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:47:20,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:47:20,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:47:20,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:47:20,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:47:20,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:47:20,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:47:20,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:47:20,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:47:20,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 03:47:20,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 03:47:20,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 03:47:20,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 03:47:20,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 03:47:20,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 03:47:20,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:47:20,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:47:20,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:47:20,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:47:20,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:47:20,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:47:20,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:47:20,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:47:20,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:47:20,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:47:20,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:47:20,646 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 [2019-08-31 03:47:20,661 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:47:20,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:47:20,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:47:20,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:47:20,663 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:47:20,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:47:20,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:47:20,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:47:20,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:47:20,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:47:20,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:47:20,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:47:20,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:47:20,665 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:47:20,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:47:20,665 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:47:20,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:47:20,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:47:20,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:47:20,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:47:20,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:47:20,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:47:20,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:47:20,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:47:20,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:47:20,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:47:20,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:47:20,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:47:20,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:47:20,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:47:20,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:47:20,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:47:20,718 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:47:20,719 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:47:20,719 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-rb-cnstr_1-2.i [2019-08-31 03:47:20,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad1d38fe7/d3758b15f98b4b00a5221a3d248d8a8d/FLAG711fb8cb4 [2019-08-31 03:47:21,369 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:47:21,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-cnstr_1-2.i [2019-08-31 03:47:21,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad1d38fe7/d3758b15f98b4b00a5221a3d248d8a8d/FLAG711fb8cb4 [2019-08-31 03:47:21,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad1d38fe7/d3758b15f98b4b00a5221a3d248d8a8d [2019-08-31 03:47:21,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:47:21,660 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:47:21,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:47:21,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:47:21,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:47:21,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:47:21" (1/1) ... [2019-08-31 03:47:21,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@384ceee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:21, skipping insertion in model container [2019-08-31 03:47:21,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:47:21" (1/1) ... [2019-08-31 03:47:21,676 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:47:21,740 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:47:22,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:47:22,339 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:47:22,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:47:22,457 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:47:22,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:22 WrapperNode [2019-08-31 03:47:22,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:47:22,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:47:22,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:47:22,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:47:22,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:22" (1/1) ... [2019-08-31 03:47:22,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:22" (1/1) ... [2019-08-31 03:47:22,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:22" (1/1) ... [2019-08-31 03:47:22,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:22" (1/1) ... [2019-08-31 03:47:22,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:22" (1/1) ... [2019-08-31 03:47:22,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:22" (1/1) ... [2019-08-31 03:47:22,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:22" (1/1) ... [2019-08-31 03:47:22,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:47:22,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:47:22,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:47:22,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:47:22,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:22" (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 [2019-08-31 03:47:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:47:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:47:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:47:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-31 03:47:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-31 03:47:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-31 03:47:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-31 03:47:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-31 03:47:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-31 03:47:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-31 03:47:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-31 03:47:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-31 03:47:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-31 03:47:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-31 03:47:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-31 03:47:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-31 03:47:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-31 03:47:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-31 03:47:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-31 03:47:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-31 03:47:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-31 03:47:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-31 03:47:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-31 03:47:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-31 03:47:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-31 03:47:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-31 03:47:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-31 03:47:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-31 03:47:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-31 03:47:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-31 03:47:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-31 03:47:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-31 03:47:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-31 03:47:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-31 03:47:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-31 03:47:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-31 03:47:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-31 03:47:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-31 03:47:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-31 03:47:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-31 03:47:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-31 03:47:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-31 03:47:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-31 03:47:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-31 03:47:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-31 03:47:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-31 03:47:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-31 03:47:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-31 03:47:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-31 03:47:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-31 03:47:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-31 03:47:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-31 03:47:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-31 03:47:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 03:47:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-31 03:47:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-31 03:47:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-31 03:47:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-31 03:47:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-31 03:47:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-31 03:47:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-31 03:47:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-31 03:47:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-31 03:47:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-31 03:47:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-31 03:47:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-31 03:47:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-31 03:47:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-31 03:47:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-31 03:47:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-31 03:47:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-31 03:47:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-31 03:47:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-31 03:47:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-31 03:47:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-31 03:47:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-31 03:47:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-31 03:47:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-31 03:47:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-31 03:47:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-31 03:47:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-31 03:47:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-31 03:47:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-31 03:47:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-31 03:47:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-31 03:47:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-31 03:47:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-31 03:47:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-31 03:47:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-31 03:47:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-31 03:47:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-31 03:47:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-31 03:47:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-31 03:47:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-31 03:47:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-31 03:47:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-31 03:47:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-31 03:47:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-31 03:47:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-31 03:47:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-31 03:47:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-31 03:47:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-31 03:47:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-31 03:47:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-31 03:47:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-31 03:47:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-31 03:47:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:47:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:47:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:47:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 03:47:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:47:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:47:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:47:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:47:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:47:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:47:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:47:23,239 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:47:23,239 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-08-31 03:47:23,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:47:23 BoogieIcfgContainer [2019-08-31 03:47:23,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:47:23,242 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:47:23,242 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:47:23,242 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:47:23,243 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:47:23" (1/1) ... [2019-08-31 03:47:23,279 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-31 03:47:23,279 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:47:23,286 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:47:23,294 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:47:23,295 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:47:23,386 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 [2019-08-31 03:47:23,386 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:23,403 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:23,404 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:47:23,404 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:47:23,418 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-08-31 03:47:23,499 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:23,681 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-08-31 03:47:23,682 INFO L567 ElimStorePlain]: treesize reduction 9, result has 92.7 percent of original size [2019-08-31 03:47:23,684 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:23,684 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:114 [2019-08-31 03:47:23,713 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_9|], 4=[|v_#memory_$Pointer$.base_23|, |v_#memory_$Pointer$.offset_23|]} [2019-08-31 03:47:23,728 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:24,091 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-08-31 03:47:24,092 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:24,103 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:24,380 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-08-31 03:47:24,381 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:24,389 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:24,639 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-08-31 03:47:24,639 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:24,641 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:24,642 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:222, output treesize:219 [2019-08-31 03:47:24,671 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:25,038 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-08-31 03:47:25,039 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:25,040 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:25,041 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:246, output treesize:234 [2019-08-31 03:47:25,079 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_17|, |v_#memory_int_18|], 4=[|v_#memory_int_26|], 6=[|v_#memory_$Pointer$.base_16|, |v_#memory_$Pointer$.offset_16|]} [2019-08-31 03:47:25,101 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:26,516 WARN L188 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 141 [2019-08-31 03:47:26,517 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:26,534 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:27,966 WARN L188 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 138 [2019-08-31 03:47:27,967 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:27,977 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:29,188 WARN L188 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 134 [2019-08-31 03:47:29,189 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:29,202 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:30,044 WARN L188 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-08-31 03:47:30,045 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:30,054 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:31,280 WARN L188 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 126 [2019-08-31 03:47:31,281 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:31,283 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 5 dim-2 vars, End of recursive call: 9 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:31,283 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:384, output treesize:453 [2019-08-31 03:47:31,456 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_12|], 1=[|v_#valid_22|]} [2019-08-31 03:47:31,466 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-31 03:47:31,467 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:31,536 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:31,547 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-31 03:47:31,547 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:31,608 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:31,609 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_26|, |v_#memory_$Pointer$.offset_26|, |v_#memory_int_27|], 2=[|v_#memory_int_9|]} [2019-08-31 03:47:31,644 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:31,645 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 1 case distinctions, treesize of input 27 treesize of output 39 [2019-08-31 03:47:31,646 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:31,779 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-08-31 03:47:31,779 INFO L567 ElimStorePlain]: treesize reduction 16, result has 87.7 percent of original size [2019-08-31 03:47:31,816 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:31,816 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 1 case distinctions, treesize of input 27 treesize of output 39 [2019-08-31 03:47:31,817 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:31,928 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-08-31 03:47:31,929 INFO L567 ElimStorePlain]: treesize reduction 24, result has 80.8 percent of original size [2019-08-31 03:47:31,948 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 15 treesize of output 1 [2019-08-31 03:47:31,949 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:31,990 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:31,999 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 15 treesize of output 1 [2019-08-31 03:47:32,000 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:32,057 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:32,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:32,061 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:32,062 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:126, output treesize:71 [2019-08-31 03:47:32,069 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:32,076 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_28|], 6=[|v_#memory_$Pointer$.base_27|, |v_#memory_$Pointer$.offset_27|]} [2019-08-31 03:47:32,087 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 99 treesize of output 95 [2019-08-31 03:47:32,087 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:32,098 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:47:32,099 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 106 treesize of output 1 [2019-08-31 03:47:32,100 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:32,181 INFO L567 ElimStorePlain]: treesize reduction 3, result has 96.8 percent of original size [2019-08-31 03:47:32,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:47:32,190 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 27 treesize of output 11 [2019-08-31 03:47:32,190 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:32,226 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:32,230 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:47:32,232 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 34 treesize of output 14 [2019-08-31 03:47:32,232 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:32,252 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:32,253 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:47:32,253 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:206, output treesize:54 [2019-08-31 03:47:32,258 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:32,267 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_13|], 3=[|v_#valid_23|]} [2019-08-31 03:47:32,286 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:47:32,310 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 246 [2019-08-31 03:47:32,311 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:32,335 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:47:32,357 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 239 [2019-08-31 03:47:32,359 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:32,981 WARN L188 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 99 [2019-08-31 03:47:32,981 INFO L567 ElimStorePlain]: treesize reduction 251, result has 47.7 percent of original size [2019-08-31 03:47:33,017 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:33,018 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-08-31 03:47:33,019 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:33,617 WARN L188 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2019-08-31 03:47:33,617 INFO L567 ElimStorePlain]: treesize reduction 14, result has 94.2 percent of original size [2019-08-31 03:47:33,625 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_29|], 2=[|v_#memory_int_17|, |v_#memory_int_18|], 6=[|v_#memory_$Pointer$.base_28|, |v_#memory_$Pointer$.base_16|, |v_#memory_$Pointer$.offset_28|, |v_#memory_$Pointer$.offset_16|]} [2019-08-31 03:47:33,641 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:47:33,659 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2019-08-31 03:47:33,660 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:33,879 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-08-31 03:47:33,879 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:33,890 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:34,048 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-08-31 03:47:34,048 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:34,061 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:47:34,063 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2019-08-31 03:47:34,065 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:34,359 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2019-08-31 03:47:34,360 INFO L567 ElimStorePlain]: treesize reduction 4, result has 98.0 percent of original size [2019-08-31 03:47:34,374 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:47:34,380 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 [2019-08-31 03:47:34,381 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:34,500 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-31 03:47:34,500 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:34,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:47:34,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:47:34,513 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 18 [2019-08-31 03:47:34,514 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:34,591 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:34,605 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:47:34,607 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 [2019-08-31 03:47:34,608 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:34,674 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:34,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:47:34,682 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:47:34,683 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 18 [2019-08-31 03:47:34,684 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:34,737 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:34,738 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 7 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:47:34,738 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 11 variables, input treesize:482, output treesize:93 [2019-08-31 03:47:34,818 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:34,824 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:34,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:34,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:34,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:34,860 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:34,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-31 03:47:34,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:34,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-31 03:47:34,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-31 03:47:34,934 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:34,951 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:34,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:34,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:35,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:35,045 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:35,046 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:35,055 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:35,083 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:47:35,083 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:47:35,086 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 464#(exists ((v_prenex_16 Int) (v_prenex_15 Int) (v_main_~end~0.offset_42 Int) (v_prenex_18 Int) (v_prenex_17 Int) (v_prenex_14 Int) (v_prenex_13 Int) (v_main_~end~0.base_42 Int)) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~list~0.offset main_~end~0.offset) (not (= main_~end~0.offset 0)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= main_~list~0.offset 0)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= ~unnamed1~0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (+ (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13) 4))) (not (= (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13) 0)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) main_~end~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= ~unnamed1~0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_$Pointer$.base| v_prenex_16) v_prenex_15) main_~end~0.base) (not (= main_~end~0.offset 0)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| v_prenex_16) v_prenex_15)) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| v_prenex_18) v_prenex_17)) (not (= 0 main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED)) (= (select (select |#memory_$Pointer$.base| v_prenex_18) v_prenex_17) main_~end~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (+ (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) main_~end~0.base)))) [2019-08-31 03:47:35,086 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 520#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK)) (or (not (= main_~end~0.offset 0)) (not (= 0 main_~end~0.base)))) [2019-08-31 03:47:35,086 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 546#(and (= 0 main_~end~0.base) (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.offset 0) (= main_~list~0.base main_~end~0.base) (<= 0 main_~end~0.base) (<= 0 main_~list~0.offset) (<= 0 main_~list~0.base) (<= 0 main_~end~0.offset) (<= main_~end~0.offset 0) (<= main_~list~0.base 0) (<= main_~end~0.base 0) (<= main_~list~0.offset 0)) [2019-08-31 03:47:35,105 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 03:47:35,106 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:47:35,108 INFO L168 Benchmark]: Toolchain (without parser) took 13447.85 ms. Allocated memory was 132.6 MB in the beginning and 263.7 MB in the end (delta: 131.1 MB). Free memory was 87.4 MB in the beginning and 82.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 136.1 MB. Max. memory is 7.1 GB. [2019-08-31 03:47:35,114 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:47:35,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.67 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.2 MB in the beginning and 163.4 MB in the end (delta: -76.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-08-31 03:47:35,115 INFO L168 Benchmark]: Boogie Preprocessor took 76.09 ms. Allocated memory is still 199.2 MB. Free memory was 163.4 MB in the beginning and 160.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-31 03:47:35,116 INFO L168 Benchmark]: RCFGBuilder took 706.06 ms. Allocated memory is still 199.2 MB. Free memory was 160.9 MB in the beginning and 117.3 MB in the end (delta: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. [2019-08-31 03:47:35,117 INFO L168 Benchmark]: Sifa took 11864.35 ms. Allocated memory was 199.2 MB in the beginning and 263.7 MB in the end (delta: 64.5 MB). Free memory was 117.3 MB in the beginning and 82.4 MB in the end (delta: 34.9 MB). Peak memory consumption was 99.4 MB. Max. memory is 7.1 GB. [2019-08-31 03:47:35,124 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 797.67 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.2 MB in the beginning and 163.4 MB in the end (delta: -76.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.09 ms. Allocated memory is still 199.2 MB. Free memory was 163.4 MB in the beginning and 160.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 706.06 ms. Allocated memory is still 199.2 MB. Free memory was 160.9 MB in the beginning and 117.3 MB in the end (delta: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. * Sifa took 11864.35 ms. Allocated memory was 199.2 MB in the beginning and 263.7 MB in the end (delta: 64.5 MB). Free memory was 117.3 MB in the beginning and 82.4 MB in the end (delta: 34.9 MB). Peak memory consumption was 99.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 11.8s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 257 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 13 DAG_INTERPRETER_EARLY_EXITS, 216 TOOLS_POST_APPLICATIONS, 11.3s TOOLS_POST_TIME, 2 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 1 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 11.3s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 292 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 73 DOMAIN_JOIN_APPLICATIONS, 0.1s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 2 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 35 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.2s DOMAIN_ISSUBSETEQ_TIME, 52 DOMAIN_ISBOTTOM_APPLICATIONS, 0.1s DOMAIN_ISBOTTOM_TIME, 33 LOOP_SUMMARIZER_APPLICATIONS, 33 LOOP_SUMMARIZER_CACHE_MISSES, 11.3s LOOP_SUMMARIZER_OVERALL_TIME, 11.3s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 35 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 1 CALL_SUMMARIZER_APPLICATIONS, 1 CALL_SUMMARIZER_CACHE_MISSES, 0.1s CALL_SUMMARIZER_OVERALL_TIME, 0.1s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.1s DAG_COMPRESSION_TIME, 645 DAG_COMPRESSION_PROCESSED_NODES, 338 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 1038]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 464#(exists ((v_prenex_16 Int) (v_prenex_15 Int) (v_main_~end~0.offset_42 Int) (v_prenex_18 Int) (v_prenex_17 Int) (v_prenex_14 Int) (v_prenex_13 Int) (v_main_~end~0.base_42 Int)) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~list~0.offset main_~end~0.offset) (not (= main_~end~0.offset 0)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= main_~list~0.offset 0)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= ~unnamed1~0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (+ (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13) 4))) (not (= (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13) 0)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) main_~end~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= ~unnamed1~0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_$Pointer$.base| v_prenex_16) v_prenex_15) main_~end~0.base) (not (= main_~end~0.offset 0)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| v_prenex_16) v_prenex_15)) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| v_prenex_18) v_prenex_17)) (not (= 0 main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED)) (= (select (select |#memory_$Pointer$.base| v_prenex_18) v_prenex_17) main_~end~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (+ (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) main_~end~0.base)))). Possible FailurePath: - UnprovableResult [Line: 1028]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 520#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK)) (or (not (= main_~end~0.offset 0)) (not (= 0 main_~end~0.base)))). Possible FailurePath: - UnprovableResult [Line: 1027]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 546#(and (= 0 main_~end~0.base) (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.offset 0) (= main_~list~0.base main_~end~0.base) (<= 0 main_~end~0.base) (<= 0 main_~list~0.offset) (<= 0 main_~list~0.base) (<= 0 main_~end~0.offset) (<= main_~end~0.offset 0) (<= main_~list~0.base 0) (<= main_~end~0.base 0) (<= main_~list~0.offset 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...