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 CompoundDomain --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-simple/dll2c_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 16:42:00,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 16:42:00,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 16:42:00,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 16:42:00,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 16:42:00,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 16:42:00,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 16:42:00,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 16:42:00,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 16:42:00,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 16:42:00,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 16:42:00,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 16:42:00,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 16:42:00,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 16:42:00,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 16:42:00,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 16:42:00,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 16:42:00,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 16:42:00,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 16:42:00,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 16:42:00,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 16:42:00,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 16:42:00,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 16:42:00,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 16:42:00,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 16:42:00,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 16:42:00,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 16:42:00,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 16:42:00,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 16:42:00,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 16:42:00,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 16:42:00,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 16:42:00,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 16:42:00,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 16:42:00,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 16:42:00,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 16:42:00,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 16:42:00,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 16:42:00,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 16:42:00,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 16:42:00,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 16:42:00,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-17 16:42:00,476 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 16:42:00,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 16:42:00,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 16:42:00,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 16:42:00,478 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 16:42:00,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 16:42:00,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 16:42:00,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 16:42:00,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 16:42:00,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 16:42:00,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 16:42:00,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 16:42:00,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 16:42:00,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 16:42:00,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 16:42:00,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 16:42:00,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 16:42:00,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 16:42:00,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 16:42:00,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 16:42:00,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 16:42:00,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 16:42:00,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 16:42:00,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 16:42:00,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 16:42:00,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 16:42:00,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 16:42:00,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 16:42:00,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 [2019-09-17 16:42:00,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 16:42:00,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 16:42:00,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 16:42:00,541 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 16:42:00,541 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 16:42:00,542 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all.i [2019-09-17 16:42:00,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30efdcb9e/f3feac7aecf6488986a8d75e32b8dca7/FLAG89b567057 [2019-09-17 16:42:01,066 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 16:42:01,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_update_all.i [2019-09-17 16:42:01,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30efdcb9e/f3feac7aecf6488986a8d75e32b8dca7/FLAG89b567057 [2019-09-17 16:42:01,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30efdcb9e/f3feac7aecf6488986a8d75e32b8dca7 [2019-09-17 16:42:01,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 16:42:01,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 16:42:01,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 16:42:01,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 16:42:01,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 16:42:01,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:42:01" (1/1) ... [2019-09-17 16:42:01,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df72a27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:01, skipping insertion in model container [2019-09-17 16:42:01,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:42:01" (1/1) ... [2019-09-17 16:42:01,491 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 16:42:01,544 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 16:42:02,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:42:02,103 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 16:42:02,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:42:02,221 INFO L192 MainTranslator]: Completed translation [2019-09-17 16:42:02,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:02 WrapperNode [2019-09-17 16:42:02,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 16:42:02,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 16:42:02,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 16:42:02,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 16:42:02,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:02" (1/1) ... [2019-09-17 16:42:02,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:02" (1/1) ... [2019-09-17 16:42:02,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:02" (1/1) ... [2019-09-17 16:42:02,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:02" (1/1) ... [2019-09-17 16:42:02,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:02" (1/1) ... [2019-09-17 16:42:02,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:02" (1/1) ... [2019-09-17 16:42:02,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:02" (1/1) ... [2019-09-17 16:42:02,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 16:42:02,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 16:42:02,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 16:42:02,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 16:42:02,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 16:42:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 16:42:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 16:42:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-17 16:42:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-17 16:42:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-17 16:42:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-17 16:42:02,369 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-17 16:42:02,369 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-17 16:42:02,369 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2019-09-17 16:42:02,369 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2019-09-17 16:42:02,369 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 16:42:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 16:42:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-17 16:42:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-17 16:42:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-17 16:42:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-17 16:42:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-17 16:42:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-17 16:42:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-17 16:42:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-17 16:42:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-17 16:42:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-17 16:42:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-17 16:42:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-17 16:42:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-17 16:42:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-17 16:42:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-17 16:42:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-17 16:42:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-17 16:42:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-17 16:42:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-17 16:42:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-17 16:42:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-17 16:42:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-17 16:42:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-17 16:42:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-17 16:42:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-17 16:42:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-17 16:42:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-17 16:42:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-17 16:42:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-17 16:42:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-17 16:42:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-17 16:42:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-17 16:42:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-17 16:42:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-17 16:42:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-17 16:42:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-17 16:42:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-17 16:42:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-17 16:42:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-17 16:42:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-17 16:42:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-17 16:42:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-17 16:42:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-17 16:42:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-17 16:42:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-17 16:42:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-17 16:42:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-17 16:42:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-17 16:42:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-17 16:42:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-17 16:42:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-17 16:42:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-17 16:42:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 16:42:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-17 16:42:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-17 16:42:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 16:42:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-17 16:42:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-17 16:42:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-17 16:42:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-17 16:42:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-17 16:42:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-17 16:42:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-17 16:42:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-17 16:42:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-17 16:42:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-17 16:42:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-17 16:42:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-17 16:42:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-17 16:42:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-17 16:42:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-17 16:42:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-17 16:42:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-17 16:42:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-17 16:42:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-17 16:42:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-17 16:42:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-17 16:42:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-17 16:42:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-17 16:42:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-17 16:42:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-17 16:42:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-17 16:42:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-17 16:42:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-17 16:42:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-17 16:42:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-17 16:42:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-17 16:42:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-17 16:42:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-17 16:42:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-17 16:42:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-17 16:42:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-17 16:42:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-17 16:42:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-17 16:42:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-17 16:42:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-17 16:42:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-17 16:42:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-17 16:42:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-17 16:42:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-17 16:42:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-17 16:42:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-17 16:42:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-17 16:42:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-17 16:42:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-17 16:42:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-17 16:42:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-17 16:42:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 16:42:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 16:42:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 16:42:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-17 16:42:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-17 16:42:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 16:42:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 16:42:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2019-09-17 16:42:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 16:42:02,389 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2019-09-17 16:42:02,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 16:42:02,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 16:42:02,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 16:42:02,839 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-17 16:42:03,101 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 16:42:03,101 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-17 16:42:03,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:42:03 BoogieIcfgContainer [2019-09-17 16:42:03,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 16:42:03,103 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 16:42:03,105 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 16:42:03,105 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 16:42:03,107 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:42:03" (1/1) ... [2019-09-17 16:42:03,107 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-09-17 16:42:03,141 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 16:42:03,142 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 16:42:03,150 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 16:42:03,159 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 16:42:03,161 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 16:42:03,364 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-17 16:42:03,506 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-17 16:42:04,430 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-17 16:42:04,807 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:42:04,956 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-17 16:42:05,092 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-17 16:42:05,322 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-17 16:42:05,482 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-17 16:42:05,781 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-17 16:42:05,914 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-17 16:42:06,033 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-17 16:42:06,289 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2019-09-17 16:42:07,149 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2019-09-17 16:42:07,552 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-17 16:42:07,987 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-17 16:42:08,377 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-17 16:42:08,730 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-17 16:42:09,057 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 16:42:09,422 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 16:42:09,738 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-17 16:42:10,050 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-17 16:42:10,437 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-17 16:42:15,639 WARN L191 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 232 DAG size of output: 135 [2019-09-17 16:42:16,877 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 16:42:18,086 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 122 [2019-09-17 16:42:18,846 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-17 16:42:19,668 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2019-09-17 16:42:20,266 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-17 16:42:20,725 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2019-09-17 16:42:21,157 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2019-09-17 16:42:21,352 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-17 16:42:21,553 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-17 16:42:22,008 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-17 16:42:22,493 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2019-09-17 16:42:22,727 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-17 16:42:23,209 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2019-09-17 16:42:24,630 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 164 DAG size of output: 163 [2019-09-17 16:42:25,326 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-17 16:42:26,006 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-09-17 16:42:26,668 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-09-17 16:42:27,314 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-17 16:42:27,981 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-17 16:42:28,657 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 16:42:29,289 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 16:42:29,870 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 16:42:30,445 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 16:42:31,005 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-17 16:42:31,967 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-09-17 16:42:31,995 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:42:32,275 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-17 16:42:32,564 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-17 16:42:33,080 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-17 16:42:33,137 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:42:58,166 WARN L191 SmtUtils]: Spent 24.95 s on a formula simplification. DAG size of input: 193 DAG size of output: 187 [2019-09-17 16:43:07,756 WARN L191 SmtUtils]: Spent 9.57 s on a formula simplification that was a NOOP. DAG size: 180 [2019-09-17 16:43:16,356 WARN L191 SmtUtils]: Spent 8.58 s on a formula simplification that was a NOOP. DAG size: 174 [2019-09-17 16:43:25,594 WARN L191 SmtUtils]: Spent 9.23 s on a formula simplification that was a NOOP. DAG size: 171 [2019-09-17 16:43:30,843 WARN L191 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 161 [2019-09-17 16:43:35,151 WARN L191 SmtUtils]: Spent 4.29 s on a formula simplification that was a NOOP. DAG size: 151 [2019-09-17 16:43:39,800 WARN L191 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 152 DAG size of output: 147 [2019-09-17 16:43:41,461 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 148 DAG size of output: 145 [2019-09-17 16:43:42,751 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 142 DAG size of output: 137 [2019-09-17 16:43:43,643 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 131 [2019-09-17 16:43:44,323 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2019-09-17 16:43:44,938 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2019-09-17 16:43:45,255 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-17 16:43:45,479 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 57 [2019-09-17 16:43:45,667 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2019-09-17 16:43:46,007 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2019-09-17 16:43:46,195 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-17 16:43:46,365 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-17 16:43:46,524 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-17 16:43:46,673 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-17 16:43:47,119 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:43:54,228 WARN L191 SmtUtils]: Spent 7.00 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2019-09-17 16:43:57,864 WARN L191 SmtUtils]: Spent 3.62 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 16:43:59,928 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 16:44:01,558 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 119 [2019-09-17 16:44:03,022 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 120 DAG size of output: 115 [2019-09-17 16:44:03,901 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2019-09-17 16:44:04,533 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 105 [2019-09-17 16:44:05,003 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-17 16:44:05,277 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2019-09-17 16:44:05,407 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-17 16:44:05,700 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-09-17 16:44:06,041 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-17 16:44:06,238 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-17 16:44:06,415 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-17 16:44:06,566 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-17 16:44:06,669 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-17 16:44:06,771 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-17 16:44:07,071 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-17 16:44:07,842 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-17 16:44:07,945 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:44:08,569 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2019-09-17 16:44:09,410 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-17 16:44:09,795 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-17 16:44:10,160 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 81 [2019-09-17 16:44:10,353 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 16:44:10,353 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 16:44:10,355 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 250#(exists ((v_prenex_55 Int) (v_prenex_63 Int) (v_prenex_62 Int) (v_prenex_65 Int) (v_prenex_54 Int) (v_prenex_64 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5 Int)) (or (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_63) (+ v_prenex_62 8)))) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) (+ (select (select |#memory_int| v_prenex_55) (+ v_prenex_54 8)) 1)) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= (select (select |#memory_int| v_prenex_55) (+ v_prenex_54 8)) 2147483647) (<= 0 (+ (select (select |#memory_int| v_prenex_63) (+ v_prenex_62 8)) 2147483648)) (<= main_~data~0 1) (<= 0 (+ (select (select |#memory_int| v_prenex_55) (+ v_prenex_54 8)) 2147483648)) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= (+ main_~i~0 (- 1)) 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= (select (select |#memory_int| v_prenex_63) (+ v_prenex_62 8)) 2147483647) (<= main_~new_data~0 3)) (and (not (= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) main_~expected~0)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) 2147483648)) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) 2147483647) (< main_~i~0 main_~len~0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (= main_~i~0 0) (<= main_~new_data~0 3)) (and (= (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 1) (+ main_~i~0 main_~len~0 (- 1))) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (= (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 1) (+ main_~i~0 main_~len~0)) (<= 0 |#NULL.base|) (<= (+ main_~i~0 main_~len~0) 2147483649) (<= 0 |#NULL.offset|) (<= 0 (+ (select (select |#memory_int| v_prenex_65) (+ v_prenex_64 8)) 2147483648)) (<= 2 main_~new_data~0) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (<= main_~new_data~0 3) (< main_~i~0 (+ main_~len~0 2)) (= (+ main_~i~0 (- 2)) 0) (<= |#NULL.base| 0) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483647) (<= 0 main_~s~0.offset) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483648)) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= main_~len~0 2) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= (select (select |#memory_int| v_prenex_65) (+ v_prenex_64 8)) 2147483647) (<= main_~data~0 1) (not (= (select (select |#memory_int| v_prenex_65) (+ v_prenex_64 8)) main_~expected~0)) (<= main_~s~0.offset 0) (<= 2 main_~len~0)))) [2019-09-17 16:44:10,368 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 16:44:10,368 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 16:44:10,369 INFO L168 Benchmark]: Toolchain (without parser) took 128895.25 ms. Allocated memory was 141.0 MB in the beginning and 380.6 MB in the end (delta: 239.6 MB). Free memory was 86.9 MB in the beginning and 244.8 MB in the end (delta: -157.8 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2019-09-17 16:44:10,370 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. [2019-09-17 16:44:10,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.21 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 86.7 MB in the beginning and 164.3 MB in the end (delta: -77.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-17 16:44:10,372 INFO L168 Benchmark]: Boogie Preprocessor took 86.96 ms. Allocated memory is still 200.3 MB. Free memory was 164.3 MB in the beginning and 160.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-17 16:44:10,372 INFO L168 Benchmark]: RCFGBuilder took 792.45 ms. Allocated memory is still 200.3 MB. Free memory was 160.7 MB in the beginning and 100.3 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. [2019-09-17 16:44:10,374 INFO L168 Benchmark]: Sifa took 127265.29 ms. Allocated memory was 200.3 MB in the beginning and 380.6 MB in the end (delta: 180.4 MB). Free memory was 100.3 MB in the beginning and 244.8 MB in the end (delta: -144.4 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. [2019-09-17 16:44:10,380 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 747.21 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 86.7 MB in the beginning and 164.3 MB in the end (delta: -77.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.96 ms. Allocated memory is still 200.3 MB. Free memory was 164.3 MB in the beginning and 160.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 792.45 ms. Allocated memory is still 200.3 MB. Free memory was 160.7 MB in the beginning and 100.3 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. * Sifa took 127265.29 ms. Allocated memory was 200.3 MB in the beginning and 380.6 MB in the end (delta: 180.4 MB). Free memory was 100.3 MB in the beginning and 244.8 MB in the end (delta: -144.4 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 127214, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 77, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 54, TOOLS_POST_TIME[ms]: 103168, TOOLS_POST_CALL_APPLICATIONS: 17, TOOLS_POST_CALL_TIME[ms]: 234, TOOLS_POST_RETURN_APPLICATIONS: 16, TOOLS_POST_RETURN_TIME[ms]: 15718, TOOLS_QUANTIFIERELIM_APPLICATIONS: 87, TOOLS_QUANTIFIERELIM_TIME[ms]: 119068, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 71859, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 95, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME[ms]: 4568, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 3374, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 49, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 124131, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 124131, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 16, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 125357, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 125356, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 23, DAG_COMPRESSION_PROCESSED_NODES: 134, DAG_COMPRESSION_RETAINED_NODES: 71 - UnprovableResult [Line: 632]: 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 250#(exists ((v_prenex_55 Int) (v_prenex_63 Int) (v_prenex_62 Int) (v_prenex_65 Int) (v_prenex_54 Int) (v_prenex_64 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5 Int)) (or (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_63) (+ v_prenex_62 8)))) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) (+ (select (select |#memory_int| v_prenex_55) (+ v_prenex_54 8)) 1)) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= (select (select |#memory_int| v_prenex_55) (+ v_prenex_54 8)) 2147483647) (<= 0 (+ (select (select |#memory_int| v_prenex_63) (+ v_prenex_62 8)) 2147483648)) (<= main_~data~0 1) (<= 0 (+ (select (select |#memory_int| v_prenex_55) (+ v_prenex_54 8)) 2147483648)) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= (+ main_~i~0 (- 1)) 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= (select (select |#memory_int| v_prenex_63) (+ v_prenex_62 8)) 2147483647) (<= main_~new_data~0 3)) (and (not (= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) main_~expected~0)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) 2147483648)) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) 2147483647) (< main_~i~0 main_~len~0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (= main_~i~0 0) (<= main_~new_data~0 3)) (and (= (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 1) (+ main_~i~0 main_~len~0 (- 1))) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (= (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 1) (+ main_~i~0 main_~len~0)) (<= 0 |#NULL.base|) (<= (+ main_~i~0 main_~len~0) 2147483649) (<= 0 |#NULL.offset|) (<= 0 (+ (select (select |#memory_int| v_prenex_65) (+ v_prenex_64 8)) 2147483648)) (<= 2 main_~new_data~0) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (<= main_~new_data~0 3) (< main_~i~0 (+ main_~len~0 2)) (= (+ main_~i~0 (- 2)) 0) (<= |#NULL.base| 0) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483647) (<= 0 main_~s~0.offset) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483648)) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= main_~len~0 2) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= (select (select |#memory_int| v_prenex_65) (+ v_prenex_64 8)) 2147483647) (<= main_~data~0 1) (not (= (select (select |#memory_int| v_prenex_65) (+ v_prenex_64 8)) main_~expected~0)) (<= main_~s~0.offset 0) (<= 2 main_~len~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...