java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 18:11:57,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 18:11:57,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 18:11:57,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 18:11:57,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 18:11:57,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 18:11:57,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 18:11:57,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 18:11:57,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 18:11:57,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 18:11:57,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 18:11:57,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 18:11:57,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 18:11:57,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 18:11:57,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 18:11:57,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 18:11:57,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 18:11:57,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 18:11:57,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 18:11:57,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 18:11:57,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 18:11:57,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 18:11:57,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 18:11:57,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 18:11:57,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 18:11:57,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 18:11:57,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 18:11:57,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 18:11:57,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 18:11:57,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 18:11:57,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 18:11:57,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 18:11:57,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 18:11:57,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 18:11:57,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 18:11:57,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 18:11:57,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 18:11:57,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 18:11:57,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 18:11:57,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 18:11:57,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 18:11:57,608 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 [2019-09-16 18:11:57,622 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 18:11:57,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 18:11:57,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 18:11:57,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 18:11:57,624 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 18:11:57,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 18:11:57,627 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 18:11:57,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 18:11:57,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 18:11:57,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 18:11:57,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 18:11:57,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 18:11:57,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 18:11:57,628 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 18:11:57,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 18:11:57,629 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 18:11:57,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 18:11:57,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 18:11:57,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 18:11:57,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 18:11:57,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 18:11:57,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 18:11:57,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 18:11:57,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 18:11:57,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 18:11:57,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 18:11:57,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 18:11:57,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 18:11:57,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-16 18:11:57,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 18:11:57,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 18:11:57,683 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 18:11:57,684 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 18:11:57,685 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 18:11:57,685 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-16 18:11:57,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc6738027/9ae46809ca7248b897787e034d01abff/FLAG89c1b7442 [2019-09-16 18:11:58,350 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 18:11:58,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-16 18:11:58,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc6738027/9ae46809ca7248b897787e034d01abff/FLAG89c1b7442 [2019-09-16 18:11:58,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc6738027/9ae46809ca7248b897787e034d01abff [2019-09-16 18:11:58,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 18:11:58,589 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 18:11:58,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 18:11:58,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 18:11:58,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 18:11:58,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:11:58" (1/1) ... [2019-09-16 18:11:58,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4967b437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:11:58, skipping insertion in model container [2019-09-16 18:11:58,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:11:58" (1/1) ... [2019-09-16 18:11:58,604 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 18:11:58,659 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 18:11:59,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:11:59,115 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 18:11:59,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:11:59,268 INFO L192 MainTranslator]: Completed translation [2019-09-16 18:11:59,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:11:59 WrapperNode [2019-09-16 18:11:59,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 18:11:59,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 18:11:59,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 18:11:59,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 18:11:59,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:11:59" (1/1) ... [2019-09-16 18:11:59,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:11:59" (1/1) ... [2019-09-16 18:11:59,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:11:59" (1/1) ... [2019-09-16 18:11:59,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:11:59" (1/1) ... [2019-09-16 18:11:59,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:11:59" (1/1) ... [2019-09-16 18:11:59,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:11:59" (1/1) ... [2019-09-16 18:11:59,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:11:59" (1/1) ... [2019-09-16 18:11:59,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 18:11:59,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 18:11:59,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 18:11:59,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 18:11:59,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:11:59" (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 [2019-09-16 18:11:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 18:11:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 18:11:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-16 18:11:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-16 18:11:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-16 18:11:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die [2019-09-16 18:11:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail [2019-09-16 18:11:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert [2019-09-16 18:11:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl [2019-09-16 18:11:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 18:11:59,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 18:11:59,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 18:11:59,412 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-16 18:11:59,412 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-16 18:11:59,412 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-16 18:11:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-16 18:11:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-16 18:11:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-16 18:11:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-16 18:11:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-16 18:11:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-16 18:11:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-16 18:11:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-16 18:11:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-16 18:11:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-16 18:11:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-16 18:11:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-16 18:11:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-16 18:11:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-16 18:11:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-16 18:11:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-16 18:11:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-16 18:11:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-16 18:11:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-16 18:11:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-16 18:11:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-16 18:11:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-16 18:11:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-16 18:11:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-16 18:11:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-16 18:11:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-16 18:11:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-16 18:11:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-16 18:11:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-16 18:11:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-16 18:11:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-16 18:11:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-16 18:11:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-16 18:11:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-16 18:11:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-16 18:11:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-16 18:11:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-16 18:11:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-16 18:11:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-16 18:11:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-16 18:11:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-16 18:11:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-16 18:11:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-16 18:11:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-16 18:11:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-16 18:11:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-16 18:11:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-16 18:11:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-16 18:11:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-16 18:11:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 18:11:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-16 18:11:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-16 18:11:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 18:11:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-16 18:11:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-16 18:11:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-16 18:11:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-16 18:11:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-16 18:11:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-16 18:11:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-16 18:11:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-16 18:11:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-16 18:11:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-16 18:11:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-16 18:11:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-16 18:11:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-16 18:11:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-16 18:11:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-16 18:11:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-16 18:11:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-16 18:11:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-16 18:11:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-16 18:11:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-16 18:11:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-16 18:11:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-16 18:11:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-16 18:11:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-16 18:11:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-16 18:11:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-16 18:11:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-16 18:11:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-16 18:11:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-16 18:11:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-16 18:11:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-16 18:11:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-16 18:11:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-16 18:11:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-16 18:11:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-16 18:11:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-16 18:11:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-16 18:11:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-16 18:11:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-16 18:11:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-16 18:11:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-16 18:11:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-16 18:11:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-16 18:11:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-16 18:11:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-16 18:11:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-16 18:11:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-16 18:11:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-16 18:11:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-16 18:11:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-16 18:11:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die [2019-09-16 18:11:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 18:11:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail [2019-09-16 18:11:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 18:11:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 18:11:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert [2019-09-16 18:11:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl [2019-09-16 18:11:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 18:11:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 18:11:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 18:11:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 18:11:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 18:11:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 18:11:59,835 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-16 18:12:00,368 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 18:12:00,371 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-16 18:12:00,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:12:00 BoogieIcfgContainer [2019-09-16 18:12:00,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 18:12:00,374 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 18:12:00,374 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 18:12:00,374 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 18:12:00,375 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:12:00" (1/1) ... [2019-09-16 18:12:00,376 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 [2019-09-16 18:12:00,401 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 18:12:00,401 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 18:12:00,410 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 18:12:00,419 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 18:12:00,421 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 18:12:00,577 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-16 18:12:00,603 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-16 18:12:00,917 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2019-09-16 18:12:01,157 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-16 18:12:01,270 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-16 18:12:01,440 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-16 18:12:02,119 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-16 18:12:03,246 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-16 18:12:03,945 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-16 18:12:06,105 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 152 [2019-09-16 18:12:07,024 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 18:12:07,024 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 18:12:07,027 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 121#(exists ((v_main_~p~0.offset_19 Int) (v_main_~p~0.offset_18 Int) (v_main_~p~0.base_19 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (not (= 0 main_~p~0.base))) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (not (= 0 main_~p~0.base)) (= main_~a~0.offset main_~p~0.offset)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (= main_~a~0.offset main_~p~0.offset)))) [2019-09-16 18:12:07,046 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 18:12:07,046 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 18:12:07,048 INFO L168 Benchmark]: Toolchain (without parser) took 8459.54 ms. Allocated memory was 131.6 MB in the beginning and 267.4 MB in the end (delta: 135.8 MB). Free memory was 86.0 MB in the beginning and 222.5 MB in the end (delta: -136.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 18:12:07,049 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 18:12:07,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.88 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 85.8 MB in the beginning and 162.8 MB in the end (delta: -76.9 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2019-09-16 18:12:07,050 INFO L168 Benchmark]: Boogie Preprocessor took 74.14 ms. Allocated memory is still 199.8 MB. Free memory was 162.8 MB in the beginning and 159.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-16 18:12:07,051 INFO L168 Benchmark]: RCFGBuilder took 1028.11 ms. Allocated memory is still 199.8 MB. Free memory was 159.6 MB in the beginning and 90.1 MB in the end (delta: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 7.1 GB. [2019-09-16 18:12:07,052 INFO L168 Benchmark]: Sifa took 6672.75 ms. Allocated memory was 199.8 MB in the beginning and 267.4 MB in the end (delta: 67.6 MB). Free memory was 90.1 MB in the beginning and 222.5 MB in the end (delta: -132.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 18:12:07,059 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.88 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 85.8 MB in the beginning and 162.8 MB in the end (delta: -76.9 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.14 ms. Allocated memory is still 199.8 MB. Free memory was 162.8 MB in the beginning and 159.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1028.11 ms. Allocated memory is still 199.8 MB. Free memory was 159.6 MB in the beginning and 90.1 MB in the end (delta: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 7.1 GB. * Sifa took 6672.75 ms. Allocated memory was 199.8 MB in the beginning and 267.4 MB in the end (delta: 67.6 MB). Free memory was 90.1 MB in the beginning and 222.5 MB in the end (delta: -132.4 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]: 6627, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 64, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 52, TOOLS_POST_TIME[ms]: 3358, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 35, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 62, TOOLS_QUANTIFIERELIM_TIME[ms]: 3367, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1757, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 70, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 685, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 2374, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 27, DOMAIN_ISBOTTOM_APPLICATIONS: 12, DOMAIN_ISBOTTOM_TIME[ms]: 42, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6079, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6079, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 103, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 103, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 139, DAG_COMPRESSION_RETAINED_NODES: 83 - UnprovableResult [Line: 601]: 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 121#(exists ((v_main_~p~0.offset_19 Int) (v_main_~p~0.offset_18 Int) (v_main_~p~0.base_19 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (not (= 0 main_~p~0.base))) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (not (= 0 main_~p~0.base)) (= main_~a~0.offset main_~p~0.offset)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (= main_~a~0.offset main_~p~0.offset)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...