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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/forester-heap/dll-circular-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:03:38,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:03:38,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:03:38,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:03:38,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:03:38,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:03:38,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:03:38,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:03:38,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:03:38,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:03:38,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:03:38,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:03:38,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:03:38,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:03:38,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:03:38,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:03:38,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:03:38,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:03:38,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:03:38,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:03:38,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:03:38,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:03:38,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:03:38,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:03:38,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:03:38,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:03:38,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:03:38,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:03:38,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:03:38,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:03:38,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:03:38,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:03:38,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:03:38,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:03:38,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:03:38,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:03:38,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:03:38,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:03:38,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:03:38,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:03:38,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:03:38,584 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-19 17:03:38,597 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:03:38,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:03:38,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:03:38,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:03:38,599 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:03:38,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:03:38,600 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:03:38,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:03:38,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:03:38,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:03:38,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:03:38,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:03:38,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:03:38,601 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:03:38,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:03:38,602 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:03:38,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:03:38,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:03:38,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:03:38,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:03:38,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:03:38,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:03:38,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:03:38,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:03:38,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:03:38,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:03:38,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:03:38,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:03:38,604 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:03:38,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:03:38,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:03:38,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:03:38,653 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:03:38,653 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:03:38,654 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-circular-2.i [2019-09-19 17:03:38,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e6e969fb/cd029677496e401faedcd055d9bc559b/FLAGc8e8c4500 [2019-09-19 17:03:39,201 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:03:39,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-circular-2.i [2019-09-19 17:03:39,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e6e969fb/cd029677496e401faedcd055d9bc559b/FLAGc8e8c4500 [2019-09-19 17:03:39,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e6e969fb/cd029677496e401faedcd055d9bc559b [2019-09-19 17:03:39,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:03:39,535 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:03:39,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:03:39,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:03:39,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:03:39,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:03:39" (1/1) ... [2019-09-19 17:03:39,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56745d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:39, skipping insertion in model container [2019-09-19 17:03:39,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:03:39" (1/1) ... [2019-09-19 17:03:39,551 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:03:39,608 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:03:40,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:03:40,054 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:03:40,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:03:40,148 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:03:40,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:40 WrapperNode [2019-09-19 17:03:40,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:03:40,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:03:40,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:03:40,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:03:40,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:40" (1/1) ... [2019-09-19 17:03:40,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:40" (1/1) ... [2019-09-19 17:03:40,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:40" (1/1) ... [2019-09-19 17:03:40,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:40" (1/1) ... [2019-09-19 17:03:40,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:40" (1/1) ... [2019-09-19 17:03:40,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:40" (1/1) ... [2019-09-19 17:03:40,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:40" (1/1) ... [2019-09-19 17:03:40,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:03:40,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:03:40,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:03:40,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:03:40,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:03:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:03:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:03:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:03:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-19 17:03:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-19 17:03:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-19 17:03:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-19 17:03:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-19 17:03:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-19 17:03:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-19 17:03:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-19 17:03:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-19 17:03:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-19 17:03:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-19 17:03:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-19 17:03:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-19 17:03:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-19 17:03:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-19 17:03:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-19 17:03:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-19 17:03:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-19 17:03:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-19 17:03:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-19 17:03:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-19 17:03:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-19 17:03:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-19 17:03:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-19 17:03:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-19 17:03:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-19 17:03:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-19 17:03:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-19 17:03:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-19 17:03:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-19 17:03:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-19 17:03:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-19 17:03:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-19 17:03:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-19 17:03:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-19 17:03:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-19 17:03:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-19 17:03:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-19 17:03:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-19 17:03:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-19 17:03:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-19 17:03:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-19 17:03:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-19 17:03:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-19 17:03:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-19 17:03:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-19 17:03:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-19 17:03:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-19 17:03:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-19 17:03:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-19 17:03:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 17:03:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-19 17:03:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-19 17:03:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 17:03:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-19 17:03:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-19 17:03:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-19 17:03:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-19 17:03:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-19 17:03:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-19 17:03:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-19 17:03:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-19 17:03:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-19 17:03:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-19 17:03:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-19 17:03:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-19 17:03:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-19 17:03:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-19 17:03:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-19 17:03:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-19 17:03:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-19 17:03:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-19 17:03:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-19 17:03:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-19 17:03:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-19 17:03:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-19 17:03:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-19 17:03:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-19 17:03:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-19 17:03:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-19 17:03:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-19 17:03:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-19 17:03:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-19 17:03:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-19 17:03:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-19 17:03:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-19 17:03:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-19 17:03:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-19 17:03:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-19 17:03:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-19 17:03:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-19 17:03:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-19 17:03:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-19 17:03:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-19 17:03:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-19 17:03:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-19 17:03:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-19 17:03:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-19 17:03:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-19 17:03:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-19 17:03:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-19 17:03:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-19 17:03:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-19 17:03:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:03:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:03:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:03:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 17:03:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:03:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:03:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:03:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:03:40,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:03:40,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:03:40,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:03:40,922 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:03:40,922 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-19 17:03:40,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:03:40 BoogieIcfgContainer [2019-09-19 17:03:40,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:03:40,924 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:03:40,924 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:03:40,925 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:03:40,926 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:03:40" (1/1) ... [2019-09-19 17:03:40,926 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-19 17:03:40,948 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-19 17:03:40,948 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:03:40,956 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:03:40,964 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:03:40,965 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:03:41,095 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-19 17:03:41,306 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 17:03:41,431 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-19 17:03:41,573 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-19 17:03:42,039 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-19 17:03:42,182 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-19 17:03:42,827 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2019-09-19 17:03:43,216 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-09-19 17:03:43,565 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-19 17:03:43,701 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-19 17:03:44,197 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2019-09-19 17:03:44,547 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-09-19 17:03:45,717 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:03:45,717 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:03:45,719 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 483#true [2019-09-19 17:03:45,719 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 303#true [2019-09-19 17:03:45,720 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 666#true [2019-09-19 17:03:45,739 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:03:45,740 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:03:45,741 INFO L168 Benchmark]: Toolchain (without parser) took 6205.79 ms. Allocated memory was 141.0 MB in the beginning and 299.4 MB in the end (delta: 158.3 MB). Free memory was 87.6 MB in the beginning and 235.2 MB in the end (delta: -147.6 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-09-19 17:03:45,742 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 17:03:45,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.12 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 87.4 MB in the beginning and 167.5 MB in the end (delta: -80.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-19 17:03:45,743 INFO L168 Benchmark]: Boogie Preprocessor took 86.54 ms. Allocated memory is still 201.9 MB. Free memory was 167.5 MB in the beginning and 164.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:03:45,743 INFO L168 Benchmark]: RCFGBuilder took 687.10 ms. Allocated memory is still 201.9 MB. Free memory was 164.9 MB in the beginning and 117.6 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. [2019-09-19 17:03:45,744 INFO L168 Benchmark]: Sifa took 4815.64 ms. Allocated memory was 201.9 MB in the beginning and 299.4 MB in the end (delta: 97.5 MB). Free memory was 117.6 MB in the beginning and 235.2 MB in the end (delta: -117.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 17:03:45,746 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 613.12 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 87.4 MB in the beginning and 167.5 MB in the end (delta: -80.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.54 ms. Allocated memory is still 201.9 MB. Free memory was 167.5 MB in the beginning and 164.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 687.10 ms. Allocated memory is still 201.9 MB. Free memory was 164.9 MB in the beginning and 117.6 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. * Sifa took 4815.64 ms. Allocated memory was 201.9 MB in the beginning and 299.4 MB in the end (delta: 97.5 MB). Free memory was 117.6 MB in the beginning and 235.2 MB in the end (delta: -117.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 4772, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 233, DAG_INTERPRETER_EARLY_EXITS: 7, TOOLS_POST_APPLICATIONS: 191, TOOLS_POST_TIME[ms]: 3754, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 194, TOOLS_QUANTIFIERELIM_TIME[ms]: 3739, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1398, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 251, FLUID_YES_ANSWERS: 251, DOMAIN_JOIN_APPLICATIONS: 87, DOMAIN_JOIN_TIME[ms]: 591, DOMAIN_ALPHA_APPLICATIONS: 251, DOMAIN_ALPHA_TIME[ms]: 232, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 62, DOMAIN_ISBOTTOM_TIME[ms]: 39, LOOP_SUMMARIZER_APPLICATIONS: 18, LOOP_SUMMARIZER_CACHE_MISSES: 18, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1542, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1541, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 73, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 72, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 56, DAG_COMPRESSION_PROCESSED_NODES: 732, DAG_COMPRESSION_RETAINED_NODES: 267 - UnprovableResult [Line: 1020]: 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 483#true. Possible FailurePath: - UnprovableResult [Line: 1015]: 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 303#true. Possible FailurePath: - UnprovableResult [Line: 1024]: 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 666#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...