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 TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/list-simple/dll2n_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 02:11:33,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:11:33,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:11:33,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:11:33,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:11:33,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:11:33,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:11:33,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:11:33,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:11:33,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:11:33,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:11:33,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:11:33,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:11:33,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:11:33,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:11:33,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:11:33,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:11:33,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:11:33,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:11:33,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:11:33,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:11:33,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:11:33,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:11:33,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:11:33,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 02:11:33,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 02:11:33,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 02:11:33,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 02:11:33,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 02:11:33,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 02:11:33,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 02:11:33,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 02:11:33,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 02:11:33,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 02:11:33,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 02:11:33,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 02:11:33,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 02:11:33,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 02:11:33,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:11:33,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:11:33,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:11:33,753 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 [2019-09-17 02:11:33,770 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:11:33,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:11:33,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:11:33,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:11:33,773 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:11:33,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:11:33,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:11:33,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:11:33,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:11:33,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:11:33,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:11:33,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:11:33,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:11:33,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:11:33,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:11:33,777 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:11:33,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:11:33,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:11:33,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:11:33,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:11:33,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:11:33,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:11:33,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:11:33,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:11:33,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:11:33,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:11:33,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:11:33,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:11:33,780 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 -> 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 -> NONE [2019-09-17 02:11:33,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:11:33,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:11:33,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:11:33,865 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:11:33,865 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:11:33,866 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_remove_all_reverse.i [2019-09-17 02:11:33,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c15447867/d29c2943171e4b9289bfe40f4c9a86c6/FLAG1d8a7402d [2019-09-17 02:11:34,494 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:11:34,495 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_remove_all_reverse.i [2019-09-17 02:11:34,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c15447867/d29c2943171e4b9289bfe40f4c9a86c6/FLAG1d8a7402d [2019-09-17 02:11:34,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c15447867/d29c2943171e4b9289bfe40f4c9a86c6 [2019-09-17 02:11:34,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:11:34,806 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:11:34,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:11:34,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:11:34,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:11:34,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:11:34" (1/1) ... [2019-09-17 02:11:34,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae0dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:11:34, skipping insertion in model container [2019-09-17 02:11:34,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:11:34" (1/1) ... [2019-09-17 02:11:34,824 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:11:34,868 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:11:35,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:11:35,342 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:11:35,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:11:35,489 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:11:35,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:11:35 WrapperNode [2019-09-17 02:11:35,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:11:35,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:11:35,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:11:35,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:11:35,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:11:35" (1/1) ... [2019-09-17 02:11:35,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:11:35" (1/1) ... [2019-09-17 02:11:35,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:11:35" (1/1) ... [2019-09-17 02:11:35,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:11:35" (1/1) ... [2019-09-17 02:11:35,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:11:35" (1/1) ... [2019-09-17 02:11:35,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:11:35" (1/1) ... [2019-09-17 02:11:35,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:11:35" (1/1) ... [2019-09-17 02:11:35,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:11:35,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:11:35,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:11:35,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:11:35,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:11:35" (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 [2019-09-17 02:11:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:11:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:11:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-17 02:11:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-17 02:11:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-17 02:11:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-17 02:11:35,673 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-17 02:11:35,673 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_remove_last [2019-09-17 02:11:35,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:11:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:11:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-17 02:11:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-17 02:11:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-17 02:11:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-17 02:11:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-17 02:11:35,675 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-17 02:11:35,675 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-17 02:11:35,675 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-17 02:11:35,675 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-17 02:11:35,675 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-17 02:11:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-17 02:11:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-17 02:11:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-17 02:11:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-17 02:11:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-17 02:11:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-17 02:11:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-17 02:11:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-17 02:11:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-17 02:11:35,678 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-17 02:11:35,678 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-17 02:11:35,678 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-17 02:11:35,678 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-17 02:11:35,678 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-17 02:11:35,679 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-17 02:11:35,679 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-17 02:11:35,679 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-17 02:11:35,679 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-17 02:11:35,679 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-17 02:11:35,679 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-17 02:11:35,680 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-17 02:11:35,680 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-17 02:11:35,680 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-17 02:11:35,680 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-17 02:11:35,680 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-17 02:11:35,681 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-17 02:11:35,681 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-17 02:11:35,681 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-17 02:11:35,681 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-17 02:11:35,681 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-17 02:11:35,681 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-17 02:11:35,682 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-17 02:11:35,682 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-17 02:11:35,682 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-17 02:11:35,682 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-17 02:11:35,682 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-17 02:11:35,682 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-17 02:11:35,682 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-17 02:11:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-17 02:11:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-17 02:11:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-17 02:11:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-17 02:11:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 02:11:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-17 02:11:35,684 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-17 02:11:35,684 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 02:11:35,684 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-17 02:11:35,684 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-17 02:11:35,684 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-17 02:11:35,684 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-17 02:11:35,684 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-17 02:11:35,685 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-17 02:11:35,685 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-17 02:11:35,685 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-17 02:11:35,685 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-17 02:11:35,685 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-17 02:11:35,685 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-17 02:11:35,686 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-17 02:11:35,686 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-17 02:11:35,686 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-17 02:11:35,686 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-17 02:11:35,686 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-17 02:11:35,686 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-17 02:11:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-17 02:11:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-17 02:11:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-17 02:11:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-17 02:11:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-17 02:11:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-17 02:11:35,688 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-17 02:11:35,688 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-17 02:11:35,688 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-17 02:11:35,688 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-17 02:11:35,688 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-17 02:11:35,688 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-17 02:11:35,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-17 02:11:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-17 02:11:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-17 02:11:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-17 02:11:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-17 02:11:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-17 02:11:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-17 02:11:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-17 02:11:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-17 02:11:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-17 02:11:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-17 02:11:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-17 02:11:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-17 02:11:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-17 02:11:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-17 02:11:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-17 02:11:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-17 02:11:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-17 02:11:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-17 02:11:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-17 02:11:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-17 02:11:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-17 02:11:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 02:11:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 02:11:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 02:11:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-17 02:11:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure dll_remove_last [2019-09-17 02:11:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 02:11:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 02:11:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:11:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 02:11:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-17 02:11:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:11:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:11:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 02:11:36,070 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-17 02:11:36,403 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:11:36,403 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-17 02:11:36,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:11:36 BoogieIcfgContainer [2019-09-17 02:11:36,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:11:36,406 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:11:36,406 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:11:36,406 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:11:36,407 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:11:36" (1/1) ... [2019-09-17 02:11:36,408 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-17 02:11:36,434 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:11:36,434 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:11:36,442 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:11:36,452 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:11:36,454 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:11:36,589 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-17 02:11:36,770 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 02:11:37,097 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 02:11:37,342 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 02:11:37,615 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 02:11:37,656 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 02:11:37,701 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 02:11:38,863 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-17 02:11:39,064 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.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:237) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:216) 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.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) 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.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) 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) [2019-09-17 02:11:39,072 INFO L168 Benchmark]: Toolchain (without parser) took 4266.73 ms. Allocated memory was 131.6 MB in the beginning and 266.9 MB in the end (delta: 135.3 MB). Free memory was 86.8 MB in the beginning and 188.9 MB in the end (delta: -102.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2019-09-17 02:11:39,082 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 02:11:39,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.22 ms. Allocated memory was 131.6 MB in the beginning and 200.3 MB in the end (delta: 68.7 MB). Free memory was 86.6 MB in the beginning and 161.4 MB in the end (delta: -74.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-09-17 02:11:39,083 INFO L168 Benchmark]: Boogie Preprocessor took 116.93 ms. Allocated memory is still 200.3 MB. Free memory was 161.4 MB in the beginning and 158.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-17 02:11:39,084 INFO L168 Benchmark]: RCFGBuilder took 797.49 ms. Allocated memory is still 200.3 MB. Free memory was 158.2 MB in the beginning and 104.3 MB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 7.1 GB. [2019-09-17 02:11:39,085 INFO L168 Benchmark]: Sifa took 2664.64 ms. Allocated memory was 200.3 MB in the beginning and 266.9 MB in the end (delta: 66.6 MB). Free memory was 104.3 MB in the beginning and 188.9 MB in the end (delta: -84.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 02:11:39,097 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.22 ms. Allocated memory was 131.6 MB in the beginning and 200.3 MB in the end (delta: 68.7 MB). Free memory was 86.6 MB in the beginning and 161.4 MB in the end (delta: -74.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.93 ms. Allocated memory is still 200.3 MB. Free memory was 161.4 MB in the beginning and 158.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 797.49 ms. Allocated memory is still 200.3 MB. Free memory was 158.2 MB in the beginning and 104.3 MB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 7.1 GB. * Sifa took 2664.64 ms. Allocated memory was 200.3 MB in the beginning and 266.9 MB in the end (delta: 66.6 MB). Free memory was 104.3 MB in the beginning and 188.9 MB in the end (delta: -84.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.sifa: UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...