java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 11:56:09,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:56:09,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:56:09,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:56:09,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:56:09,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:56:09,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:56:09,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:56:09,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:56:09,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:56:09,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:56:09,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:56:09,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:56:09,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:56:09,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:56:09,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:56:09,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:56:09,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:56:09,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:56:09,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:56:09,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:56:09,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:56:09,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:56:09,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:56:09,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:56:09,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:56:09,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:56:09,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:56:09,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:56:09,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:56:09,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:56:09,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:56:09,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:56:09,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:56:09,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:56:09,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:56:09,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:56:09,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:56:09,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:56:09,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:56:09,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:56:09,730 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 11:56:09,744 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:56:09,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:56:09,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:56:09,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:56:09,746 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:56:09,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:56:09,746 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:56:09,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:56:09,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:56:09,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:56:09,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:56:09,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:56:09,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:56:09,748 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:56:09,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:56:09,748 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:56:09,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:56:09,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:56:09,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:56:09,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:56:09,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:56:09,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:56:09,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:56:09,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:56:09,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:56:09,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:56:09,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:56:09,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:56:09,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 11:56:09,782 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:56:09,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:56:09,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:56:09,800 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:56:09,800 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:56:09,801 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-18 11:56:09,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6f3537a/2f61e038231f4798ad6fb222a32e0002/FLAG2a056d33d [2019-09-18 11:56:10,418 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:56:10,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-18 11:56:10,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6f3537a/2f61e038231f4798ad6fb222a32e0002/FLAG2a056d33d [2019-09-18 11:56:10,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6f3537a/2f61e038231f4798ad6fb222a32e0002 [2019-09-18 11:56:10,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:56:10,732 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:56:10,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:56:10,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:56:10,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:56:10,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:56:10" (1/1) ... [2019-09-18 11:56:10,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3775cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:10, skipping insertion in model container [2019-09-18 11:56:10,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:56:10" (1/1) ... [2019-09-18 11:56:10,748 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:56:10,792 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:56:11,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:56:11,259 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:56:11,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:56:11,390 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:56:11,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:11 WrapperNode [2019-09-18 11:56:11,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:56:11,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:56:11,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:56:11,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:56:11,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:11" (1/1) ... [2019-09-18 11:56:11,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:11" (1/1) ... [2019-09-18 11:56:11,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:11" (1/1) ... [2019-09-18 11:56:11,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:11" (1/1) ... [2019-09-18 11:56:11,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:11" (1/1) ... [2019-09-18 11:56:11,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:11" (1/1) ... [2019-09-18 11:56:11,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:11" (1/1) ... [2019-09-18 11:56:11,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:56:11,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:56:11,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:56:11,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:56:11,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:56:11,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:56:11,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:56:11,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-18 11:56:11,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-18 11:56:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-18 11:56:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-18 11:56:11,546 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-18 11:56:11,546 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-18 11:56:11,546 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert [2019-09-18 11:56:11,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:56:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:56:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-18 11:56:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-18 11:56:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-18 11:56:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-18 11:56:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-18 11:56:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-18 11:56:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-18 11:56:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-18 11:56:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-18 11:56:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-18 11:56:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-18 11:56:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-18 11:56:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-18 11:56:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-18 11:56:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-18 11:56:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-18 11:56:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-18 11:56:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-18 11:56:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-18 11:56:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-18 11:56:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-18 11:56:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-18 11:56:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-18 11:56:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-18 11:56:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-18 11:56:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-18 11:56:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-18 11:56:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-18 11:56:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-18 11:56:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-18 11:56:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-18 11:56:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-18 11:56:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-18 11:56:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-18 11:56:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-18 11:56:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-18 11:56:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-18 11:56:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-18 11:56:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-18 11:56:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-18 11:56:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-18 11:56:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-18 11:56:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-18 11:56:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-18 11:56:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-18 11:56:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-18 11:56:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-18 11:56:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-18 11:56:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-18 11:56:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-18 11:56:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-18 11:56:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-18 11:56:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 11:56:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-18 11:56:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-18 11:56:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 11:56:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-18 11:56:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-18 11:56:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-18 11:56:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-18 11:56:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-18 11:56:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 11:56:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-18 11:56:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-18 11:56:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-18 11:56:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-18 11:56:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-18 11:56:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-18 11:56:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-18 11:56:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-18 11:56:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-18 11:56:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-18 11:56:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-18 11:56:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-18 11:56:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-18 11:56:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-18 11:56:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-18 11:56:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-18 11:56:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-18 11:56:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-18 11:56:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-18 11:56:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-18 11:56:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-18 11:56:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-18 11:56:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-18 11:56:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-18 11:56:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-18 11:56:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-18 11:56:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-18 11:56:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-18 11:56:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-18 11:56:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-18 11:56:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-18 11:56:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-18 11:56:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-18 11:56:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-18 11:56:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-18 11:56:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-18 11:56:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-18 11:56:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-18 11:56:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-18 11:56:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-18 11:56:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-18 11:56:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-18 11:56:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-18 11:56:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-18 11:56:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-18 11:56:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 11:56:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 11:56:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 11:56:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-18 11:56:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-18 11:56:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 11:56:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 11:56:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert [2019-09-18 11:56:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:56:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 11:56:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-18 11:56:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 11:56:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:56:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:56:12,008 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-18 11:56:12,291 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:56:12,291 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-18 11:56:12,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:56:12 BoogieIcfgContainer [2019-09-18 11:56:12,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:56:12,293 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:56:12,294 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:56:12,294 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:56:12,295 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:56:12" (1/1) ... [2019-09-18 11:56:12,296 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 11:56:12,322 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 11:56:12,322 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:56:12,334 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:56:12,347 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:56:12,348 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:56:12,505 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 11:56:12,864 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:13,800 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-18 11:56:13,950 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-18 11:56:13,988 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:14,144 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-18 11:56:14,485 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-18 11:56:14,962 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 11:56:15,092 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 11:56:15,318 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:56:15,720 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-18 11:56:15,960 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 11:56:16,404 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-18 11:56:16,755 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-18 11:56:16,952 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-18 11:56:17,418 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2019-09-18 11:56:17,839 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2019-09-18 11:56:18,092 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-18 11:56:18,577 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-18 11:56:18,605 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:18,678 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:19,199 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2019-09-18 11:56:19,492 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 11:56:19,986 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 11:56:20,993 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-18 11:56:21,311 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 11:56:21,589 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-18 11:56:21,803 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-18 11:56:22,029 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-18 11:56:22,523 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2019-09-18 11:56:22,603 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:22,927 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-18 11:56:23,200 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-18 11:56:23,298 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:23,314 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:23,519 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-18 11:56:24,005 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-18 11:56:24,349 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-18 11:56:24,732 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-18 11:56:24,873 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-18 11:56:25,153 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-18 11:56:25,327 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-18 11:56:25,667 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:25,673 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:25,896 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-18 11:56:26,310 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-18 11:56:26,514 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-18 11:56:26,885 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-18 11:56:27,241 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2019-09-18 11:56:27,360 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-18 11:56:27,673 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-18 11:56:27,873 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-18 11:56:28,298 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-09-18 11:56:28,387 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-18 11:56:28,782 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-18 11:56:29,328 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2019-09-18 11:56:29,995 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2019-09-18 11:56:30,221 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 11:56:30,395 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 11:56:30,698 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2019-09-18 11:56:30,843 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 11:56:31,266 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2019-09-18 11:56:31,461 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 11:56:31,866 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2019-09-18 11:56:32,062 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 11:56:32,654 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2019-09-18 11:56:32,906 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-18 11:56:33,421 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2019-09-18 11:56:33,663 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-18 11:56:34,367 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2019-09-18 11:56:34,987 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2019-09-18 11:56:35,335 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2019-09-18 11:56:35,650 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2019-09-18 11:56:36,049 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-18 11:56:36,245 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-09-18 11:56:36,500 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-18 11:56:36,874 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2019-09-18 11:56:37,223 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2019-09-18 11:56:37,809 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 11:56:39,806 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2019-09-18 11:56:42,144 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 95 DAG size of output: 77 [2019-09-18 11:56:43,128 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2019-09-18 11:56:43,158 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:43,165 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:43,172 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:43,456 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-18 11:56:43,673 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-18 11:56:44,052 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 11:56:44,180 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 11:56:44,339 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 11:56:44,481 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 11:56:44,905 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2019-09-18 11:56:45,095 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 11:56:45,096 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 11:56:45,097 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 400#true [2019-09-18 11:56:45,107 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 11:56:45,107 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 11:56:45,108 INFO L168 Benchmark]: Toolchain (without parser) took 34376.64 ms. Allocated memory was 140.0 MB in the beginning and 479.2 MB in the end (delta: 339.2 MB). Free memory was 86.8 MB in the beginning and 189.0 MB in the end (delta: -102.2 MB). Peak memory consumption was 237.0 MB. Max. memory is 7.1 GB. [2019-09-18 11:56:45,109 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 11:56:45,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.78 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 86.6 MB in the beginning and 161.8 MB in the end (delta: -75.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-18 11:56:45,110 INFO L168 Benchmark]: Boogie Preprocessor took 93.10 ms. Allocated memory is still 200.3 MB. Free memory was 161.8 MB in the beginning and 158.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-18 11:56:45,110 INFO L168 Benchmark]: RCFGBuilder took 808.44 ms. Allocated memory is still 200.3 MB. Free memory was 158.1 MB in the beginning and 101.0 MB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 7.1 GB. [2019-09-18 11:56:45,110 INFO L168 Benchmark]: Sifa took 32813.80 ms. Allocated memory was 200.3 MB in the beginning and 479.2 MB in the end (delta: 278.9 MB). Free memory was 101.0 MB in the beginning and 189.0 MB in the end (delta: -88.0 MB). Peak memory consumption was 190.9 MB. Max. memory is 7.1 GB. [2019-09-18 11:56:45,112 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.78 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 86.6 MB in the beginning and 161.8 MB in the end (delta: -75.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.10 ms. Allocated memory is still 200.3 MB. Free memory was 161.8 MB in the beginning and 158.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 808.44 ms. Allocated memory is still 200.3 MB. Free memory was 158.1 MB in the beginning and 101.0 MB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 7.1 GB. * Sifa took 32813.80 ms. Allocated memory was 200.3 MB in the beginning and 479.2 MB in the end (delta: 278.9 MB). Free memory was 101.0 MB in the beginning and 189.0 MB in the end (delta: -88.0 MB). Peak memory consumption was 190.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 32775, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 267, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 252, TOOLS_POST_TIME[ms]: 20967, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 465, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 621, TOOLS_QUANTIFIERELIM_APPLICATIONS: 260, TOOLS_QUANTIFIERELIM_TIME[ms]: 21986, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 4920, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 282, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 41, DOMAIN_JOIN_TIME[ms]: 6551, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 3954, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 22, DOMAIN_ISBOTTOM_TIME[ms]: 45, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 19764, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 19763, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30241, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30241, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 11, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 470, DAG_COMPRESSION_RETAINED_NODES: 207 - UnprovableResult [Line: 643]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 400#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...