java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/forester-heap/dll-queue-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:27:35,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:27:35,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:27:35,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:27:35,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:27:35,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:27:35,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:27:35,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:27:35,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:27:35,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:27:35,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:27:35,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:27:35,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:27:35,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:27:35,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:27:35,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:27:35,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:27:35,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:27:35,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:27:35,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:27:35,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:27:35,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:27:35,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:27:35,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:27:35,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:27:35,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:27:35,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:27:35,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:27:35,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:27:35,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:27:35,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:27:35,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:27:35,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:27:35,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:27:35,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:27:35,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:27:35,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:27:35,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:27:35,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:27:35,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:27:35,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:27:35,574 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 19:27:35,591 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:27:35,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:27:35,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:27:35,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:27:35,593 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:27:35,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:27:35,593 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:27:35,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:27:35,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:27:35,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:27:35,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:27:35,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:27:35,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:27:35,596 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:27:35,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:27:35,597 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:27:35,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:27:35,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:27:35,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:27:35,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:27:35,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:27:35,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:27:35,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:27:35,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:27:35,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:27:35,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:27:35,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:27:35,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:27:35,600 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 [2019-09-20 19:27:35,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:27:35,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:27:35,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:27:35,667 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:27:35,668 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:27:35,669 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-queue-1.i [2019-09-20 19:27:35,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89486355b/e2cf6f4fadb34ac4a13ca35e04a5d627/FLAG2f17cd6d2 [2019-09-20 19:27:36,342 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:27:36,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-queue-1.i [2019-09-20 19:27:36,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89486355b/e2cf6f4fadb34ac4a13ca35e04a5d627/FLAG2f17cd6d2 [2019-09-20 19:27:36,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89486355b/e2cf6f4fadb34ac4a13ca35e04a5d627 [2019-09-20 19:27:36,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:27:36,651 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:27:36,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:27:36,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:27:36,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:27:36,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:27:36" (1/1) ... [2019-09-20 19:27:36,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c50235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:36, skipping insertion in model container [2019-09-20 19:27:36,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:27:36" (1/1) ... [2019-09-20 19:27:36,667 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:27:36,712 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:27:37,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:27:37,185 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:27:37,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:27:37,294 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:27:37,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:37 WrapperNode [2019-09-20 19:27:37,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:27:37,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:27:37,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:27:37,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:27:37,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:37" (1/1) ... [2019-09-20 19:27:37,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:37" (1/1) ... [2019-09-20 19:27:37,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:37" (1/1) ... [2019-09-20 19:27:37,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:37" (1/1) ... [2019-09-20 19:27:37,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:37" (1/1) ... [2019-09-20 19:27:37,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:37" (1/1) ... [2019-09-20 19:27:37,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:37" (1/1) ... [2019-09-20 19:27:37,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:27:37,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:27:37,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:27:37,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:27:37,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:27:37,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:27:37,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:27:37,456 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:27:37,456 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 19:27:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 19:27:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 19:27:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 19:27:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 19:27:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 19:27:37,458 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 19:27:37,458 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 19:27:37,458 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 19:27:37,458 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 19:27:37,458 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 19:27:37,458 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 19:27:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 19:27:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 19:27:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 19:27:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 19:27:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 19:27:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 19:27:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 19:27:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 19:27:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 19:27:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 19:27:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 19:27:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 19:27:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 19:27:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 19:27:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 19:27:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 19:27:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 19:27:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 19:27:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 19:27:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 19:27:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 19:27:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 19:27:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 19:27:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 19:27:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 19:27:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 19:27:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 19:27:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 19:27:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 19:27:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 19:27:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 19:27:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 19:27:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 19:27:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 19:27:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 19:27:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 19:27:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 19:27:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 19:27:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:27:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 19:27:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 19:27:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:27:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 19:27:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 19:27:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 19:27:37,466 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 19:27:37,466 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 19:27:37,466 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 19:27:37,466 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 19:27:37,466 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 19:27:37,466 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 19:27:37,467 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 19:27:37,467 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 19:27:37,467 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 19:27:37,467 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 19:27:37,467 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 19:27:37,467 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 19:27:37,467 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 19:27:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 19:27:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 19:27:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 19:27:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 19:27:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 19:27:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 19:27:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 19:27:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 19:27:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 19:27:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 19:27:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 19:27:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 19:27:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 19:27:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 19:27:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 19:27:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 19:27:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 19:27:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 19:27:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 19:27:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 19:27:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 19:27:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 19:27:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 19:27:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 19:27:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 19:27:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 19:27:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 19:27:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 19:27:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 19:27:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 19:27:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 19:27:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 19:27:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 19:27:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:27:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:27:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:27:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:27:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:27:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:27:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:27:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:27:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:27:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:27:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:27:38,293 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:27:38,294 INFO L283 CfgBuilder]: Removed 31 assume(true) statements. [2019-09-20 19:27:38,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:27:38 BoogieIcfgContainer [2019-09-20 19:27:38,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:27:38,296 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:27:38,296 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:27:38,296 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:27:38,298 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:27:38" (1/1) ... [2019-09-20 19:27:38,299 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:27:38,326 INFO L162 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-09-20 19:27:38,326 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:27:38,343 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:27:38,357 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:27:38,358 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:27:38,511 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 19:27:41,004 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 19:27:41,197 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 19:27:41,836 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 19:27:42,561 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 19:27:43,511 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 19:27:44,487 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 19:27:45,151 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 19:27:47,112 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 19:27:50,077 WARN L191 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 19:27:50,313 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2019-09-20 19:27:51,072 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 19:27:51,698 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 19:27:53,484 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 19:27:56,121 WARN L191 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 19:28:03,840 WARN L191 SmtUtils]: Spent 7.62 s on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2019-09-20 19:28:11,087 WARN L191 SmtUtils]: Spent 7.15 s on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2019-09-20 19:28:12,158 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 19:28:12,844 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 19:28:14,814 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 19:28:17,777 WARN L191 SmtUtils]: Spent 2.91 s on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 19:28:18,781 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 19:28:19,398 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 19:28:21,562 WARN L191 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 141