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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/forester-heap/dll-queue-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 11:50:14,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:50:14,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:50:14,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:50:14,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:50:14,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:50:14,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:50:14,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:50:14,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:50:14,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:50:14,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:50:14,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:50:14,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:50:14,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:50:14,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:50:14,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:50:14,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:50:14,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:50:14,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:50:14,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:50:14,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:50:14,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:50:14,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:50:14,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:50:14,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:50:14,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:50:14,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:50:14,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:50:14,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:50:14,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:50:14,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:50:14,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:50:14,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:50:14,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:50:14,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:50:14,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:50:14,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:50:14,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:50:14,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:50:14,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:50:14,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:50:14,824 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 [2019-09-18 11:50:14,838 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:50:14,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:50:14,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:50:14,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:50:14,840 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:50:14,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:50:14,840 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:50:14,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:50:14,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:50:14,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:50:14,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:50:14,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:50:14,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:50:14,842 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:50:14,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:50:14,842 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:50:14,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:50:14,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:50:14,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:50:14,843 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:50:14,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:50:14,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:50:14,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:50:14,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:50:14,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:50:14,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:50:14,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:50:14,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:50:14,845 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer 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 [2019-09-18 11:50:14,876 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:50:14,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:50:14,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:50:14,894 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:50:14,895 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:50:14,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-queue-2.i [2019-09-18 11:50:14,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90af94037/626d76ce76ce47a4a79bc868c4107a0e/FLAGff963c591 [2019-09-18 11:50:15,509 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:50:15,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-queue-2.i [2019-09-18 11:50:15,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90af94037/626d76ce76ce47a4a79bc868c4107a0e/FLAGff963c591 [2019-09-18 11:50:15,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90af94037/626d76ce76ce47a4a79bc868c4107a0e [2019-09-18 11:50:15,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:50:15,792 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:50:15,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:50:15,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:50:15,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:50:15,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:50:15" (1/1) ... [2019-09-18 11:50:15,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f4a827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:15, skipping insertion in model container [2019-09-18 11:50:15,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:50:15" (1/1) ... [2019-09-18 11:50:15,812 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:50:15,870 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:50:16,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:50:16,367 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:50:16,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:50:16,497 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:50:16,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:16 WrapperNode [2019-09-18 11:50:16,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:50:16,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:50:16,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:50:16,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:50:16,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:16" (1/1) ... [2019-09-18 11:50:16,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:16" (1/1) ... [2019-09-18 11:50:16,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:16" (1/1) ... [2019-09-18 11:50:16,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:16" (1/1) ... [2019-09-18 11:50:16,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:16" (1/1) ... [2019-09-18 11:50:16,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:16" (1/1) ... [2019-09-18 11:50:16,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:16" (1/1) ... [2019-09-18 11:50:16,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:50:16,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:50:16,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:50:16,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:50:16,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:16" (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 [2019-09-18 11:50:16,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:50:16,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:50:16,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:50:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-18 11:50:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-18 11:50:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-18 11:50:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-18 11:50:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-18 11:50:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-18 11:50:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-18 11:50:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-18 11:50:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-18 11:50:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-18 11:50:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-18 11:50:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-18 11:50:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-18 11:50:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-18 11:50:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-18 11:50:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-18 11:50:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-18 11:50:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-18 11:50:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-18 11:50:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-18 11:50:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-18 11:50:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-18 11:50:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-18 11:50:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-18 11:50:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-18 11:50:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-18 11:50:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-18 11:50:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-18 11:50:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-18 11:50:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-18 11:50:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-18 11:50:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-18 11:50:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-18 11:50:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-18 11:50:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-18 11:50:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-18 11:50:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-18 11:50:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-18 11:50:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-18 11:50:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-18 11:50:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-18 11:50:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-18 11:50:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-18 11:50:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-18 11:50:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-18 11:50:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-18 11:50:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-18 11:50:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-18 11:50:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-18 11:50:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-18 11:50:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 11:50:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-18 11:50:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-18 11:50:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 11:50:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-18 11:50:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-18 11:50:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-18 11:50:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-18 11:50:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-18 11:50:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 11:50:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-18 11:50:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-18 11:50:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-18 11:50:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-18 11:50:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-18 11:50:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-18 11:50:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-18 11:50:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-18 11:50:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-18 11:50:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-18 11:50:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-18 11:50:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-18 11:50:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-18 11:50:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-18 11:50:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-18 11:50:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-18 11:50:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-18 11:50:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-18 11:50:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-18 11:50:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-18 11:50:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-18 11:50:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-18 11:50:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-18 11:50:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-18 11:50:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-18 11:50:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-18 11:50:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-18 11:50:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-18 11:50:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-18 11:50:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-18 11:50:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-18 11:50:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-18 11:50:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-18 11:50:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-18 11:50:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-18 11:50:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-18 11:50:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-18 11:50:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-18 11:50:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-18 11:50:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-18 11:50:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-18 11:50:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-18 11:50:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-18 11:50:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 11:50:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:50:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:50:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 11:50:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 11:50:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 11:50:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 11:50:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 11:50:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 11:50:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:50:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:50:17,400 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:50:17,401 INFO L283 CfgBuilder]: Removed 31 assume(true) statements. [2019-09-18 11:50:17,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:50:17 BoogieIcfgContainer [2019-09-18 11:50:17,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:50:17,403 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:50:17,403 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:50:17,403 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:50:17,405 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:50:17" (1/1) ... [2019-09-18 11:50:17,405 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 11:50:17,434 INFO L162 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-09-18 11:50:17,434 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:50:17,449 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:50:17,459 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:50:17,460 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:50:17,629 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 11:50:19,466 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 98 [2019-09-18 11:50:19,929 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-18 11:50:20,134 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 11:50:20,668 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 11:50:21,272 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-18 11:50:21,932 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-18 11:50:22,887 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-18 11:50:23,557 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-18 11:50:25,456 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 141 [2019-09-18 11:50:27,859 WARN L191 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 11:50:28,722 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-18 11:50:29,328 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-18 11:50:31,286 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 141 [2019-09-18 11:50:33,574 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 11:50:40,915 WARN L191 SmtUtils]: Spent 7.25 s on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2019-09-18 11:50:47,768 WARN L191 SmtUtils]: Spent 6.76 s on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2019-09-18 11:50:49,023 WARN L191 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-18 11:50:49,660 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-18 11:50:51,668 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 141 [2019-09-18 11:50:54,247 WARN L191 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 11:50:54,450 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2019-09-18 11:50:55,317 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-18 11:50:55,996 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-18 11:50:57,994 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 141 [2019-09-18 11:51:00,435 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 11:51:00,571 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2019-09-18 11:51:00,863 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 160 [2019-09-18 11:51:01,055 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 11:51:01,291 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 160 [2019-09-18 11:51:02,490 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 210 DAG size of output: 204 [2019-09-18 11:51:02,770 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-09-18 11:51:04,898 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 204 [2019-09-18 11:51:05,220 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-09-18 11:51:06,350 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 204 [2019-09-18 11:51:06,723 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-09-18 11:51:06,909 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-09-18 11:51:07,194 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-09-18 11:51:56,580 WARN L191 SmtUtils]: Spent 49.29 s on a formula simplification that was a NOOP. DAG size: 241 [2019-09-18 11:53:01,018 WARN L191 SmtUtils]: Spent 1.07 m on a formula simplification that was a NOOP. DAG size: 239 [2019-09-18 11:55:25,711 WARN L191 SmtUtils]: Spent 2.41 m on a formula simplification that was a NOOP. DAG size: 264 [2019-09-18 11:58:29,704 WARN L191 SmtUtils]: Spent 3.06 m on a formula simplification that was a NOOP. DAG size: 289 [2019-09-18 11:58:31,795 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 301 DAG size of output: 1 [2019-09-18 11:58:33,091 WARN L191 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 204 [2019-09-18 11:58:33,400 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-09-18 11:58:33,802 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-09-18 11:58:34,088 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-09-18 11:59:24,125 WARN L191 SmtUtils]: Spent 49.88 s on a formula simplification that was a NOOP. DAG size: 241 [2019-09-18 12:00:36,882 WARN L191 SmtUtils]: Spent 1.21 m on a formula simplification that was a NOOP. DAG size: 239 [2019-09-18 12:03:15,658 WARN L191 SmtUtils]: Spent 2.64 m on a formula simplification that was a NOOP. DAG size: 264