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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:27:41,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:27:41,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:27:41,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:27:41,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:27:41,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:27:41,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:27:41,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:27:41,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:27:41,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:27:41,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:27:41,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:27:41,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:27:41,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:27:41,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:27:41,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:27:41,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:27:41,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:27:41,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:27:41,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:27:41,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:27:41,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:27:41,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:27:41,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:27:41,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:27:41,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:27:41,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:27:41,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:27:41,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:27:41,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:27:41,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:27:41,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:27:41,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:27:41,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:27:41,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:27:41,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:27:41,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:27:41,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:27:41,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:27:41,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:27:41,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:27:41,909 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 [2019-09-20 18:27:41,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:27:41,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:27:41,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:27:41,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:27:41,925 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:27:41,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:27:41,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:27:41,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:27:41,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:27:41,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:27:41,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:27:41,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:27:41,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:27:41,927 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:27:41,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:27:41,927 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:27:41,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:27:41,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:27:41,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:27:41,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:27:41,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:27:41,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:27:41,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:27:41,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:27:41,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:27:41,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:27:41,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:27:41,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:27:41,930 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 -> SequenceOfStatements 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 [2019-09-20 18:27:41,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:27:41,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:27:41,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:27:41,977 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:27:41,977 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:27:41,978 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i [2019-09-20 18:27:42,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ac0d503/e93c8a4ec4e04c26b93b1e0928d3b4a8/FLAG8c56988cb [2019-09-20 18:27:42,584 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:27:42,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i [2019-09-20 18:27:42,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ac0d503/e93c8a4ec4e04c26b93b1e0928d3b4a8/FLAG8c56988cb [2019-09-20 18:27:42,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ac0d503/e93c8a4ec4e04c26b93b1e0928d3b4a8 [2019-09-20 18:27:42,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:27:42,844 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:27:42,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:27:42,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:27:42,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:27:42,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:27:42" (1/1) ... [2019-09-20 18:27:42,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36273162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:42, skipping insertion in model container [2019-09-20 18:27:42,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:27:42" (1/1) ... [2019-09-20 18:27:42,860 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:27:42,918 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:27:43,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:27:43,355 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:27:43,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:27:43,469 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:27:43,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:43 WrapperNode [2019-09-20 18:27:43,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:27:43,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:27:43,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:27:43,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:27:43,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:43" (1/1) ... [2019-09-20 18:27:43,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:43" (1/1) ... [2019-09-20 18:27:43,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:43" (1/1) ... [2019-09-20 18:27:43,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:43" (1/1) ... [2019-09-20 18:27:43,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:43" (1/1) ... [2019-09-20 18:27:43,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:43" (1/1) ... [2019-09-20 18:27:43,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:43" (1/1) ... [2019-09-20 18:27:43,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:27:43,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:27:43,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:27:43,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:27:43,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:43" (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 [2019-09-20 18:27:43,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:27:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:27:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 18:27:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 18:27:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-09-20 18:27:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2019-09-20 18:27:43,632 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2019-09-20 18:27:43,632 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sll [2019-09-20 18:27:43,632 INFO L138 BoogieDeclarations]: Found implementation of procedure init_back_link [2019-09-20 18:27:43,632 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_dll [2019-09-20 18:27:43,632 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_fw_link [2019-09-20 18:27:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2019-09-20 18:27:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2019-09-20 18:27:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:27:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:27:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 18:27:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 18:27:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 18:27:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 18:27:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 18:27:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 18:27:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 18:27:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 18:27:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 18:27:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 18:27:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 18:27:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 18:27:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 18:27:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 18:27:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 18:27:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 18:27:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 18:27:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 18:27:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 18:27:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 18:27:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 18:27:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 18:27:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 18:27:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 18:27:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 18:27:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 18:27:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 18:27:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 18:27:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 18:27:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 18:27:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 18:27:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 18:27:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 18:27:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 18:27:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 18:27:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 18:27:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 18:27:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 18:27:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 18:27:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 18:27:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 18:27:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 18:27:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 18:27:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 18:27:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 18:27:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 18:27:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 18:27:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 18:27:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 18:27:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 18:27:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 18:27:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 18:27:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 18:27:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 18:27:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 18:27:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 18:27:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 18:27:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 18:27:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 18:27:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 18:27:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 18:27:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 18:27:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 18:27:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 18:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 18:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 18:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 18:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 18:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 18:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 18:27:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 18:27:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 18:27:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 18:27:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 18:27:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 18:27:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 18:27:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 18:27:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 18:27:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 18:27:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 18:27:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 18:27:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 18:27:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 18:27:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 18:27:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 18:27:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 18:27:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 18:27:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 18:27:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 18:27:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 18:27:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 18:27:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 18:27:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 18:27:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 18:27:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 18:27:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 18:27:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 18:27:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 18:27:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 18:27:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 18:27:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 18:27:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 18:27:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:27:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-09-20 18:27:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2019-09-20 18:27:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 18:27:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 18:27:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2019-09-20 18:27:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 18:27:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure create_sll [2019-09-20 18:27:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 18:27:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 18:27:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:27:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure init_back_link [2019-09-20 18:27:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_dll [2019-09-20 18:27:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure remove_fw_link [2019-09-20 18:27:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2019-09-20 18:27:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2019-09-20 18:27:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:27:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:27:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:27:44,410 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:27:44,411 INFO L283 CfgBuilder]: Removed 33 assume(true) statements. [2019-09-20 18:27:44,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:27:44 BoogieIcfgContainer [2019-09-20 18:27:44,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:27:44,413 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:27:44,413 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:27:44,414 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:27:44,415 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:27:44" (1/1) ... [2019-09-20 18:27:44,415 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 [2019-09-20 18:27:44,439 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:27:44,439 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:27:44,448 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:27:44,457 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:27:44,458 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:27:44,599 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 20 for LOIs [2019-09-20 18:27:45,477 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2019-09-20 18:27:45,675 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2019-09-20 18:27:45,805 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:45,814 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:45,822 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:46,315 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:46,324 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:46,332 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:46,776 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-20 18:27:46,987 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 18:27:47,121 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 18:27:47,262 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 18:27:47,408 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 18:27:47,539 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2019-09-20 18:27:47,650 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:47,659 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:47,683 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:47,991 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-20 18:27:48,136 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 18:27:48,276 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 18:27:48,414 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 18:27:48,566 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 18:27:48,711 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2019-09-20 18:27:48,905 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2019-09-20 18:27:49,095 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-20 18:27:49,190 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:49,199 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:49,212 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:49,237 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:49,653 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-20 18:27:49,857 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 18:27:50,066 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 18:27:50,366 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-20 18:27:50,420 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:50,429 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:50,438 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:50,817 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2019-09-20 18:27:50,989 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 18:27:51,161 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 18:27:51,325 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 18:27:51,479 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 18:27:51,638 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 18:27:51,788 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 18:27:52,313 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2019-09-20 18:27:52,475 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-20 18:27:52,751 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-20 18:27:52,919 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-20 18:27:52,971 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:52,977 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:53,004 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:53,020 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:53,419 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-20 18:27:53,603 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 18:27:53,943 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-20 18:27:54,131 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:54,138 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:54,147 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:54,530 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2019-09-20 18:27:54,724 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 18:27:54,918 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 18:27:55,098 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 18:27:55,257 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 18:27:55,415 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 18:27:55,557 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 18:27:55,684 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 18:27:55,786 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2019-09-20 18:27:56,166 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-09-20 18:27:56,286 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 18:27:57,916 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 18:27:58,203 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 18:27:58,320 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 18:27:58,477 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 18:27:58,604 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 18:27:58,830 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 18:27:58,959 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 18:27:59,154 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 18:27:59,312 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 18:27:59,766 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-20 18:28:02,202 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 156 DAG size of output: 148 [2019-09-20 18:28:04,383 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 151 DAG size of output: 146 [2019-09-20 18:28:06,383 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 155 DAG size of output: 148 [2019-09-20 18:28:08,164 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 155 DAG size of output: 148 [2019-09-20 18:28:08,361 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 18:28:08,537 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 18:28:09,933 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2019-09-20 18:28:10,111 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 18:28:10,298 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-20 18:28:11,703 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 167 DAG size of output: 150 [2019-09-20 18:28:12,984 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2019-09-20 18:28:13,164 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 18:28:13,346 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 18:28:14,501 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 157 DAG size of output: 138 [2019-09-20 18:28:15,609 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 126 [2019-09-20 18:28:15,775 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 18:28:15,942 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-20 18:28:16,903 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 127 [2019-09-20 18:28:17,144 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2019-09-20 18:28:17,322 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-20 18:28:17,585 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-20 18:28:17,771 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 18:28:18,335 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2019-09-20 18:28:18,337 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:74) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:275) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:275) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:263) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostconditionReturn(PredicateTransformer.java:202) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.postReturn(SymbolicTools.java:147) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:232) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:81) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-20 18:28:18,341 INFO L168 Benchmark]: Toolchain (without parser) took 35498.04 ms. Allocated memory was 134.2 MB in the beginning and 477.1 MB in the end (delta: 342.9 MB). Free memory was 87.9 MB in the beginning and 189.6 MB in the end (delta: -101.7 MB). Peak memory consumption was 241.2 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:18,342 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-20 18:28:18,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.23 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 87.7 MB in the beginning and 164.0 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:18,343 INFO L168 Benchmark]: Boogie Preprocessor took 81.00 ms. Allocated memory is still 201.9 MB. Free memory was 164.0 MB in the beginning and 160.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:18,343 INFO L168 Benchmark]: RCFGBuilder took 861.04 ms. Allocated memory is still 201.9 MB. Free memory was 160.5 MB in the beginning and 97.3 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:18,343 INFO L168 Benchmark]: Sifa took 33926.98 ms. Allocated memory was 201.9 MB in the beginning and 477.1 MB in the end (delta: 275.3 MB). Free memory was 97.3 MB in the beginning and 189.6 MB in the end (delta: -92.3 MB). Peak memory consumption was 183.0 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:18,345 INFO L335 ainManager$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 134.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 625.23 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 87.7 MB in the beginning and 164.0 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.00 ms. Allocated memory is still 201.9 MB. Free memory was 164.0 MB in the beginning and 160.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 861.04 ms. Allocated memory is still 201.9 MB. Free memory was 160.5 MB in the beginning and 97.3 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB. * Sifa took 33926.98 ms. Allocated memory was 201.9 MB in the beginning and 477.1 MB in the end (delta: 275.3 MB). Free memory was 97.3 MB in the beginning and 189.6 MB in the end (delta: -92.3 MB). Peak memory consumption was 183.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.sifa: UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...