java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_prepend_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:27:24,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:27:24,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:27:24,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:27:24,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:27:24,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:27:24,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:27:24,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:27:24,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:27:24,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:27:24,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:27:24,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:27:24,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:27:24,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:27:24,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:27:24,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:27:24,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:27:24,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:27:24,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:27:24,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:27:24,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:27:24,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:27:24,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:27:24,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:27:24,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:27:24,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:27:24,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:27:24,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:27:24,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:27:24,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:27:24,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:27:24,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:27:24,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:27:24,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:27:24,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:27:24,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:27:24,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:27:24,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:27:24,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:27:24,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:27:24,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:27:24,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 22:27:24,545 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:27:24,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:27:24,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:27:24,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:27:24,547 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:27:24,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:27:24,547 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:27:24,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:27:24,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:27:24,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:27:24,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:27:24,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:27:24,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:27:24,549 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:27:24,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:27:24,549 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:27:24,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:27:24,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:27:24,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:27:24,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:27:24,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:27:24,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:27:24,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:27:24,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:27:24,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:27:24,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:27:24,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:27:24,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:27:24,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:27:24,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:27:24,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:27:24,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:27:24,604 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:27:24,605 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:27:24,606 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_prepend_equal.i [2019-09-20 22:27:24,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9768b1f95/5362b2dfe8b140b2bdc5cf836ac3e648/FLAGfaf0b2bab [2019-09-20 22:27:25,176 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:27:25,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_prepend_equal.i [2019-09-20 22:27:25,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9768b1f95/5362b2dfe8b140b2bdc5cf836ac3e648/FLAGfaf0b2bab [2019-09-20 22:27:25,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9768b1f95/5362b2dfe8b140b2bdc5cf836ac3e648 [2019-09-20 22:27:25,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:27:25,507 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:27:25,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:27:25,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:27:25,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:27:25,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:27:25" (1/1) ... [2019-09-20 22:27:25,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f1ead2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:25, skipping insertion in model container [2019-09-20 22:27:25,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:27:25" (1/1) ... [2019-09-20 22:27:25,521 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:27:25,567 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:27:25,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:27:26,011 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:27:26,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:27:26,170 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:27:26,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:26 WrapperNode [2019-09-20 22:27:26,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:27:26,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:27:26,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:27:26,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:27:26,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:26" (1/1) ... [2019-09-20 22:27:26,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:26" (1/1) ... [2019-09-20 22:27:26,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:26" (1/1) ... [2019-09-20 22:27:26,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:26" (1/1) ... [2019-09-20 22:27:26,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:26" (1/1) ... [2019-09-20 22:27:26,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:26" (1/1) ... [2019-09-20 22:27:26,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:26" (1/1) ... [2019-09-20 22:27:26,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:27:26,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:27:26,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:27:26,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:27:26,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:27:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:27:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:27:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 22:27:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 22:27:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 22:27:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 22:27:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 22:27:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-20 22:27:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_prepend [2019-09-20 22:27:26,301 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:27:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:27:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 22:27:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 22:27:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 22:27:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 22:27:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 22:27:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 22:27:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 22:27:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 22:27:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 22:27:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 22:27:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 22:27:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 22:27:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 22:27:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 22:27:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 22:27:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 22:27:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 22:27:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 22:27:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 22:27:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 22:27:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 22:27:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 22:27:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 22:27:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 22:27:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 22:27:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 22:27:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 22:27:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 22:27:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 22:27:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 22:27:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 22:27:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 22:27:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 22:27:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 22:27:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 22:27:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 22:27:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 22:27:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 22:27:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 22:27:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 22:27:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 22:27:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 22:27:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 22:27:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 22:27:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 22:27:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 22:27:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 22:27:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 22:27:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 22:27:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 22:27:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 22:27:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 22:27:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:27:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 22:27:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 22:27:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:27:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 22:27:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 22:27:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 22:27:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 22:27:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 22:27:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 22:27:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 22:27:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 22:27:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 22:27:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 22:27:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 22:27:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 22:27:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 22:27:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 22:27:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 22:27:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 22:27:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 22:27:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 22:27:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 22:27:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 22:27:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 22:27:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 22:27:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 22:27:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 22:27:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 22:27:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 22:27:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 22:27:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 22:27:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 22:27:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 22:27:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 22:27:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 22:27:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 22:27:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 22:27:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 22:27:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 22:27:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 22:27:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 22:27:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 22:27:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 22:27:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 22:27:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 22:27:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 22:27:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 22:27:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 22:27:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 22:27:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 22:27:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 22:27:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 22:27:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 22:27:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 22:27:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:27:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:27:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:27:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 22:27:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-20 22:27:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:27:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:27:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure dll_prepend [2019-09-20 22:27:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:27:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:27:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 22:27:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:27:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:27:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:27:26,754 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 22:27:27,094 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:27:27,094 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 22:27:27,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:27:27 BoogieIcfgContainer [2019-09-20 22:27:27,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:27:27,097 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:27:27,097 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:27:27,097 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:27:27,098 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:27:27" (1/1) ... [2019-09-20 22:27:27,099 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-20 22:27:27,127 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:27:27,127 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:27:27,145 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:27:27,156 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:27:27,158 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:27:27,302 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-20 22:27:28,386 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 22:27:29,100 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 22:27:29,463 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:29,871 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 22:27:30,404 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 22:27:31,074 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-20 22:27:31,328 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 25 [2019-09-20 22:27:31,651 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-20 22:27:32,006 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2019-09-20 22:27:32,068 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 22:27:32,598 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 22:27:33,294 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 22:27:33,646 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:33,975 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 22:27:34,408 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 22:27:35,009 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-09-20 22:27:35,415 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-20 22:27:36,307 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 22:27:36,903 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 22:27:37,240 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:37,595 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 22:27:38,109 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 22:27:38,723 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-20 22:27:39,206 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-20 22:27:39,637 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2019-09-20 22:27:40,249 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 22:27:40,883 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 22:27:41,192 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:41,502 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 22:27:41,986 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 22:27:42,590 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-20 22:27:43,158 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-20 22:27:43,941 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 22:27:44,318 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 22:27:44,661 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:45,043 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 22:27:45,474 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 22:27:46,068 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-20 22:27:46,603 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-20 22:27:46,987 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2019-09-20 22:27:47,829 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 22:27:48,167 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 22:27:48,452 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 22:27:48,632 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 22:27:48,813 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:49,212 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-20 22:27:49,543 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-20 22:27:50,175 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-20 22:27:50,546 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-09-20 22:27:50,775 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-09-20 22:27:50,794 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:27:50,795 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:27:50,796 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 191#true [2019-09-20 22:27:50,807 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:27:50,807 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:27:50,808 INFO L168 Benchmark]: Toolchain (without parser) took 25300.92 ms. Allocated memory was 142.1 MB in the beginning and 339.7 MB in the end (delta: 197.7 MB). Free memory was 88.6 MB in the beginning and 192.2 MB in the end (delta: -103.6 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:50,809 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:27:50,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.56 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 88.3 MB in the beginning and 163.4 MB in the end (delta: -75.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:50,809 INFO L168 Benchmark]: Boogie Preprocessor took 69.95 ms. Allocated memory is still 201.9 MB. Free memory was 163.4 MB in the beginning and 160.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:50,810 INFO L168 Benchmark]: RCFGBuilder took 854.76 ms. Allocated memory is still 201.9 MB. Free memory was 160.3 MB in the beginning and 98.1 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:50,810 INFO L168 Benchmark]: Sifa took 23710.25 ms. Allocated memory was 201.9 MB in the beginning and 339.7 MB in the end (delta: 137.9 MB). Free memory was 98.1 MB in the beginning and 192.2 MB in the end (delta: -94.0 MB). Peak memory consumption was 43.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:50,812 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 662.56 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 88.3 MB in the beginning and 163.4 MB in the end (delta: -75.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.95 ms. Allocated memory is still 201.9 MB. Free memory was 163.4 MB in the beginning and 160.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 854.76 ms. Allocated memory is still 201.9 MB. Free memory was 160.3 MB in the beginning and 98.1 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. * Sifa took 23710.25 ms. Allocated memory was 201.9 MB in the beginning and 339.7 MB in the end (delta: 137.9 MB). Free memory was 98.1 MB in the beginning and 192.2 MB in the end (delta: -94.0 MB). Peak memory consumption was 43.9 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]: 23670, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 47, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 34, TOOLS_POST_TIME[ms]: 21994, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 7, TOOLS_QUANTIFIERELIM_APPLICATIONS: 49, TOOLS_QUANTIFIERELIM_TIME[ms]: 22000, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 4153, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 52, FLUID_YES_ANSWERS: 52, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME[ms]: 1467, DOMAIN_ALPHA_APPLICATIONS: 52, DOMAIN_ALPHA_TIME[ms]: 86, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 16058, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 16058, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 23442, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 23442, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 116, DAG_COMPRESSION_RETAINED_NODES: 60 - UnprovableResult [Line: 627]: 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 191#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...