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 --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/forester-heap/dll-queue-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 07:18:32,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 07:18:32,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 07:18:32,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 07:18:32,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 07:18:32,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 07:18:32,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 07:18:32,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 07:18:32,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 07:18:32,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 07:18:32,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 07:18:32,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 07:18:32,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 07:18:32,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 07:18:32,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 07:18:32,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 07:18:32,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 07:18:32,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 07:18:32,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 07:18:32,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 07:18:32,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 07:18:32,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 07:18:32,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 07:18:32,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 07:18:32,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 07:18:32,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 07:18:32,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 07:18:32,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 07:18:32,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 07:18:32,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 07:18:32,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 07:18:32,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 07:18:32,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 07:18:32,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 07:18:32,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 07:18:32,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 07:18:32,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 07:18:32,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 07:18:32,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 07:18:32,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 07:18:32,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 07:18:32,743 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 [2019-09-19 07:18:32,773 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 07:18:32,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 07:18:32,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 07:18:32,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 07:18:32,774 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 07:18:32,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 07:18:32,775 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 07:18:32,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 07:18:32,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 07:18:32,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 07:18:32,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 07:18:32,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 07:18:32,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 07:18:32,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 07:18:32,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 07:18:32,776 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 07:18:32,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 07:18:32,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 07:18:32,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 07:18:32,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 07:18:32,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 07:18:32,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 07:18:32,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 07:18:32,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 07:18:32,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 07:18:32,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 07:18:32,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 07:18:32,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 07:18:32,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 07:18:32,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 07:18:32,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 07:18:32,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 07:18:32,837 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 07:18:32,837 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 07:18:32,838 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-queue-1.i [2019-09-19 07:18:32,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df9ca62b/bb9f5e851e6648cf82c3b08a3c5bcd18/FLAG8e15f13f0 [2019-09-19 07:18:33,468 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 07:18:33,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-queue-1.i [2019-09-19 07:18:33,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df9ca62b/bb9f5e851e6648cf82c3b08a3c5bcd18/FLAG8e15f13f0 [2019-09-19 07:18:33,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df9ca62b/bb9f5e851e6648cf82c3b08a3c5bcd18 [2019-09-19 07:18:33,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 07:18:33,776 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 07:18:33,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 07:18:33,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 07:18:33,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 07:18:33,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 07:18:33" (1/1) ... [2019-09-19 07:18:33,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588428a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:18:33, skipping insertion in model container [2019-09-19 07:18:33,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 07:18:33" (1/1) ... [2019-09-19 07:18:33,791 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 07:18:33,849 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 07:18:34,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 07:18:34,326 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 07:18:34,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 07:18:34,443 INFO L192 MainTranslator]: Completed translation [2019-09-19 07:18:34,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:18:34 WrapperNode [2019-09-19 07:18:34,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 07:18:34,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 07:18:34,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 07:18:34,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 07:18:34,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:18:34" (1/1) ... [2019-09-19 07:18:34,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:18:34" (1/1) ... [2019-09-19 07:18:34,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:18:34" (1/1) ... [2019-09-19 07:18:34,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:18:34" (1/1) ... [2019-09-19 07:18:34,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:18:34" (1/1) ... [2019-09-19 07:18:34,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:18:34" (1/1) ... [2019-09-19 07:18:34,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:18:34" (1/1) ... [2019-09-19 07:18:34,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 07:18:34,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 07:18:34,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 07:18:34,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 07:18:34,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:18:34" (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 [2019-09-19 07:18:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 07:18:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 07:18:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 07:18:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-19 07:18:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-19 07:18:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-19 07:18:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-19 07:18:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-19 07:18:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-19 07:18:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-19 07:18:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-19 07:18:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-19 07:18:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-19 07:18:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-19 07:18:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-19 07:18:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-19 07:18:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-19 07:18:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-19 07:18:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-19 07:18:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-19 07:18:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-19 07:18:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-19 07:18:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-19 07:18:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-19 07:18:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-19 07:18:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-19 07:18:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-19 07:18:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-19 07:18:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-19 07:18:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-19 07:18:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-19 07:18:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-19 07:18:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-19 07:18:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-19 07:18:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-19 07:18:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-19 07:18:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-19 07:18:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-19 07:18:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-19 07:18:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-19 07:18:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-19 07:18:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-19 07:18:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-19 07:18:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-19 07:18:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-19 07:18:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-19 07:18:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-19 07:18:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-19 07:18:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-19 07:18:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-19 07:18:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-19 07:18:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-19 07:18:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-19 07:18:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 07:18:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-19 07:18:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-19 07:18:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 07:18:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-19 07:18:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-19 07:18:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-19 07:18:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-19 07:18:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-19 07:18:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-19 07:18:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-19 07:18:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-19 07:18:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-19 07:18:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-19 07:18:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-19 07:18:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-19 07:18:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-19 07:18:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-19 07:18:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-19 07:18:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-19 07:18:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-19 07:18:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-19 07:18:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-19 07:18:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-19 07:18:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-19 07:18:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-19 07:18:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-19 07:18:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-19 07:18:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-19 07:18:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-19 07:18:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-19 07:18:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-19 07:18:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-19 07:18:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-19 07:18:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-19 07:18:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-19 07:18:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-19 07:18:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-19 07:18:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-19 07:18:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-19 07:18:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-19 07:18:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-19 07:18:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-19 07:18:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-19 07:18:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-19 07:18:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-19 07:18:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-19 07:18:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-19 07:18:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-19 07:18:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-19 07:18:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-19 07:18:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-19 07:18:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-19 07:18:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 07:18:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 07:18:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 07:18:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 07:18:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 07:18:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 07:18:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 07:18:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 07:18:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 07:18:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 07:18:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 07:18:35,453 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 07:18:35,453 INFO L283 CfgBuilder]: Removed 31 assume(true) statements. [2019-09-19 07:18:35,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 07:18:35 BoogieIcfgContainer [2019-09-19 07:18:35,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 07:18:35,455 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 07:18:35,456 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 07:18:35,456 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 07:18:35,457 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 07:18:35" (1/1) ... [2019-09-19 07:18:35,458 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 07:18:35,482 INFO L162 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-09-19 07:18:35,483 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 07:18:35,492 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 07:18:35,500 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 07:18:35,502 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 07:18:35,664 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-19 07:18:36,322 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 07:18:37,639 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 131 [2019-09-19 07:18:38,705 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 127 [2019-09-19 07:18:39,629 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-19 07:18:40,276 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-19 07:18:41,167 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-19 07:18:42,069 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-19 07:18:43,008 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-19 07:18:43,894 WARN L191 SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-19 07:18:45,117 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 120 [2019-09-19 07:18:46,105 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-19 07:18:50,325 WARN L191 SmtUtils]: Spent 3.90 s on a formula simplification that was a NOOP. DAG size: 174 [2019-09-19 07:18:54,164 WARN L191 SmtUtils]: Spent 3.81 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-19 07:18:58,230 WARN L191 SmtUtils]: Spent 4.04 s on a formula simplification that was a NOOP. DAG size: 167 [2019-09-19 07:19:02,455 WARN L191 SmtUtils]: Spent 4.14 s on a formula simplification that was a NOOP. DAG size: 163 [2019-09-19 07:19:06,207 WARN L191 SmtUtils]: Spent 3.71 s on a formula simplification that was a NOOP. DAG size: 159 [2019-09-19 07:19:10,382 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification that was a NOOP. DAG size: 174 [2019-09-19 07:19:13,795 WARN L191 SmtUtils]: Spent 3.37 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-19 07:19:17,726 WARN L191 SmtUtils]: Spent 3.90 s on a formula simplification that was a NOOP. DAG size: 167 [2019-09-19 07:19:21,240 WARN L191 SmtUtils]: Spent 3.46 s on a formula simplification that was a NOOP. DAG size: 163 [2019-09-19 07:19:25,498 WARN L191 SmtUtils]: Spent 4.21 s on a formula simplification that was a NOOP. DAG size: 159 [2019-09-19 07:19:29,801 WARN L191 SmtUtils]: Spent 4.11 s on a formula simplification that was a NOOP. DAG size: 174 [2019-09-19 07:19:33,600 WARN L191 SmtUtils]: Spent 3.76 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-19 07:19:36,832 WARN L191 SmtUtils]: Spent 3.21 s on a formula simplification that was a NOOP. DAG size: 167 [2019-09-19 07:19:40,263 WARN L191 SmtUtils]: Spent 3.40 s on a formula simplification that was a NOOP. DAG size: 163 [2019-09-19 07:19:44,080 WARN L191 SmtUtils]: Spent 3.79 s on a formula simplification that was a NOOP. DAG size: 159 [2019-09-19 07:19:48,172 WARN L191 SmtUtils]: Spent 4.00 s on a formula simplification that was a NOOP. DAG size: 174 [2019-09-19 07:19:52,358 WARN L191 SmtUtils]: Spent 4.12 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-19 07:19:56,325 WARN L191 SmtUtils]: Spent 3.95 s on a formula simplification that was a NOOP. DAG size: 167 [2019-09-19 07:19:59,923 WARN L191 SmtUtils]: Spent 3.55 s on a formula simplification that was a NOOP. DAG size: 163 [2019-09-19 07:20:04,088 WARN L191 SmtUtils]: Spent 4.13 s on a formula simplification that was a NOOP. DAG size: 159 [2019-09-19 07:20:04,356 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 160 [2019-09-19 07:20:04,761 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 160 [2019-09-19 07:20:04,864 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-19 07:20:05,863 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 204 [2019-09-19 07:20:06,537 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-09-19 07:20:08,217 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 210 DAG size of output: 204 [2019-09-19 07:20:08,755 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-09-19 07:20:10,096 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 204 [2019-09-19 07:20:10,440 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-09-19 07:20:10,848 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-09-19 07:20:11,059 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-09-19 07:25:12,042 WARN L191 SmtUtils]: Spent 5.01 m on a formula simplification. DAG size of input: 329 DAG size of output: 314 [2019-09-19 07:27:28,568 WARN L191 SmtUtils]: Spent 2.27 m on a formula simplification that was a NOOP. DAG size: 315 [2019-09-19 07:29:55,491 WARN L191 SmtUtils]: Spent 2.45 m on a formula simplification that was a NOOP. DAG size: 311 [2019-09-19 07:32:27,036 WARN L191 SmtUtils]: Spent 2.52 m on a formula simplification that was a NOOP. DAG size: 304