java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-properties/list_search-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:26:55,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:26:55,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:26:55,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:26:55,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:26:55,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:26:55,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:26:55,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:26:55,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:26:55,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:26:55,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:26:55,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:26:55,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:26:55,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:26:55,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:26:55,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:26:55,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:26:55,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:26:55,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:26:55,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:26:55,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:26:55,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:26:55,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:26:55,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:26:55,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:26:55,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:26:55,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:26:55,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:26:55,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:26:55,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:26:55,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:26:55,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:26:55,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:26:55,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:26:55,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:26:55,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:26:55,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:26:55,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:26:55,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:26:55,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:26:55,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:26:55,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 19:26:55,296 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:26:55,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:26:55,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:26:55,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:26:55,301 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:26:55,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:26:55,302 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:26:55,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:26:55,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:26:55,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:26:55,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:26:55,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:26:55,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:26:55,303 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:26:55,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:26:55,303 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:26:55,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:26:55,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:26:55,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:26:55,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:26:55,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:26:55,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:26:55,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:26:55,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:26:55,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:26:55,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:26:55,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:26:55,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:26:55,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:26:55,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:26:55,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:26:55,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:26:55,382 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:26:55,383 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:26:55,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/list_search-2.i [2019-09-20 19:26:55,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65843b9d1/6640ef87efb142cfb019525589259e0b/FLAGd6a984f86 [2019-09-20 19:26:56,028 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:26:56,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/list_search-2.i [2019-09-20 19:26:56,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65843b9d1/6640ef87efb142cfb019525589259e0b/FLAGd6a984f86 [2019-09-20 19:26:56,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65843b9d1/6640ef87efb142cfb019525589259e0b [2019-09-20 19:26:56,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:26:56,296 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:26:56,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:26:56,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:26:56,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:26:56,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:26:56" (1/1) ... [2019-09-20 19:26:56,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a70043e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:26:56, skipping insertion in model container [2019-09-20 19:26:56,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:26:56" (1/1) ... [2019-09-20 19:26:56,315 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:26:56,368 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:26:56,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:26:56,922 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:26:56,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:26:57,117 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:26:57,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:26:57 WrapperNode [2019-09-20 19:26:57,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:26:57,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:26:57,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:26:57,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:26:57,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:26:57" (1/1) ... [2019-09-20 19:26:57,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:26:57" (1/1) ... [2019-09-20 19:26:57,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:26:57" (1/1) ... [2019-09-20 19:26:57,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:26:57" (1/1) ... [2019-09-20 19:26:57,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:26:57" (1/1) ... [2019-09-20 19:26:57,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:26:57" (1/1) ... [2019-09-20 19:26:57,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:26:57" (1/1) ... [2019-09-20 19:26:57,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:26:57,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:26:57,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:26:57,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:26:57,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:26:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:26:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:26:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:26:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 19:26:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 19:26:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 19:26:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-09-20 19:26:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-09-20 19:26:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-09-20 19:26:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure search_list [2019-09-20 19:26:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure delete_list [2019-09-20 19:26:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_list [2019-09-20 19:26:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:26:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:26:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 19:26:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-09-20 19:26:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-09-20 19:26:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-09-20 19:26:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-09-20 19:26:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-09-20 19:26:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-09-20 19:26:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-09-20 19:26:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-09-20 19:26:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-09-20 19:26:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-09-20 19:26:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-09-20 19:26:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-09-20 19:26:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-09-20 19:26:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-09-20 19:26:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-09-20 19:26:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-09-20 19:26:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-09-20 19:26:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-09-20 19:26:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-09-20 19:26:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-09-20 19:26:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-09-20 19:26:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-09-20 19:26:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-09-20 19:26:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-09-20 19:26:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-09-20 19:26:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-09-20 19:26:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-09-20 19:26:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-09-20 19:26:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-20 19:26:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-09-20 19:26:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-09-20 19:26:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-09-20 19:26:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-09-20 19:26:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-09-20 19:26:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-09-20 19:26:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-09-20 19:26:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-09-20 19:26:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-09-20 19:26:57,279 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 19:26:57,279 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-20 19:26:57,279 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-09-20 19:26:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-09-20 19:26:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-09-20 19:26:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-20 19:26:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-09-20 19:26:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-09-20 19:26:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-09-20 19:26:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-09-20 19:26:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-09-20 19:26:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-20 19:26:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-09-20 19:26:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-09-20 19:26:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-09-20 19:26:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-09-20 19:26:57,283 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-20 19:26:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-09-20 19:26:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-09-20 19:26:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-09-20 19:26:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-09-20 19:26:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-09-20 19:26:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-09-20 19:26:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-09-20 19:26:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-09-20 19:26:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-09-20 19:26:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-09-20 19:26:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-09-20 19:26:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-09-20 19:26:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-09-20 19:26:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-09-20 19:26:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-09-20 19:26:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-09-20 19:26:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-09-20 19:26:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-20 19:26:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-09-20 19:26:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-09-20 19:26:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-09-20 19:26:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-09-20 19:26:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-09-20 19:26:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-09-20 19:26:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-09-20 19:26:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-09-20 19:26:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-09-20 19:26:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-09-20 19:26:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-09-20 19:26:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-09-20 19:26:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-09-20 19:26:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-09-20 19:26:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-09-20 19:26:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-09-20 19:26:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-09-20 19:26:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-09-20 19:26:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-09-20 19:26:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-09-20 19:26:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-09-20 19:26:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-09-20 19:26:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-09-20 19:26:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-09-20 19:26:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-09-20 19:26:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-09-20 19:26:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-09-20 19:26:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 19:26:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 19:26:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 19:26:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 19:26:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 19:26:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 19:26:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 19:26:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 19:26:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 19:26:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 19:26:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 19:26:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 19:26:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 19:26:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 19:26:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 19:26:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 19:26:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 19:26:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 19:26:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-09-20 19:26:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-09-20 19:26:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-09-20 19:26:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 19:26:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 19:26:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 19:26:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 19:26:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 19:26:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 19:26:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 19:26:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 19:26:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 19:26:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 19:26:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 19:26:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 19:26:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 19:26:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 19:26:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 19:26:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 19:26:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 19:26:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 19:26:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 19:26:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 19:26:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 19:26:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 19:26:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 19:26:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 19:26:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 19:26:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 19:26:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 19:26:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 19:26:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 19:26:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 19:26:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 19:26:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 19:26:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 19:26:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 19:26:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:26:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 19:26:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 19:26:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:26:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 19:26:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 19:26:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 19:26:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 19:26:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 19:26:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 19:26:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 19:26:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 19:26:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 19:26:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 19:26:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 19:26:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 19:26:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 19:26:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 19:26:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 19:26:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 19:26:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 19:26:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 19:26:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 19:26:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 19:26:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 19:26:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 19:26:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 19:26:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 19:26:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 19:26:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 19:26:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 19:26:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 19:26:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 19:26:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 19:26:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 19:26:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 19:26:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 19:26:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 19:26:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 19:26:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 19:26:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 19:26:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 19:26:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 19:26:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 19:26:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 19:26:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 19:26:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 19:26:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 19:26:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 19:26:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 19:26:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 19:26:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 19:26:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure search_list [2019-09-20 19:26:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:26:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:26:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure delete_list [2019-09-20 19:26:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:26:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:26:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure insert_list [2019-09-20 19:26:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:26:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:26:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:26:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:26:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:26:58,133 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:26:58,134 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 19:26:58,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:26:58 BoogieIcfgContainer [2019-09-20 19:26:58,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:26:58,136 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:26:58,136 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:26:58,136 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:26:58,138 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:26:58" (1/1) ... [2019-09-20 19:26:58,139 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:26:58,165 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:26:58,165 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:26:58,175 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:26:58,187 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:26:58,188 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:26:58,354 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 31 for LOIs [2019-09-20 19:26:58,994 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 19:26:59,379 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 19:26:59,547 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 19:27:00,467 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-20 19:27:00,752 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-20 19:27:00,879 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 19:27:00,995 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 19:27:01,110 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 19:27:01,436 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2019-09-20 19:27:01,611 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 19:27:01,903 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 19:27:02,208 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 19:27:02,841 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2019-09-20 19:27:03,048 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-09-20 19:27:03,480 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-20 19:27:03,879 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-20 19:27:04,184 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-20 19:27:04,306 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 19:27:04,501 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 19:27:04,686 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 19:27:05,005 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2019-09-20 19:27:05,192 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 22 for LOIs [2019-09-20 19:27:05,213 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:27:05,213 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:27:05,217 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 205#(and (= 0 __VERIFIER_assert_~cond) (exists ((v_prenex_2 Int) (v_main_~temp~0.base_BEFORE_CALL_1 Int) (v_main_~temp~0.offset_BEFORE_CALL_1 Int) (v_prenex_1 Int)) (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| v_prenex_1) v_prenex_2) 2))) (and (= (select (select |#memory_int| v_main_~temp~0.base_BEFORE_CALL_1) v_main_~temp~0.offset_BEFORE_CALL_1) 2) (= |__VERIFIER_assert_#in~cond| 1)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 19:27:05,234 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:27:05,234 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:27:05,242 INFO L168 Benchmark]: Toolchain (without parser) took 8939.84 ms. Allocated memory was 140.0 MB in the beginning and 347.6 MB in the end (delta: 207.6 MB). Free memory was 86.3 MB in the beginning and 236.6 MB in the end (delta: -150.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:05,244 INFO L168 Benchmark]: CDTParser took 1.10 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:27:05,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 820.82 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 85.9 MB in the beginning and 143.2 MB in the end (delta: -57.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:05,250 INFO L168 Benchmark]: Boogie Preprocessor took 81.93 ms. Allocated memory is still 201.3 MB. Free memory was 143.2 MB in the beginning and 138.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:05,256 INFO L168 Benchmark]: RCFGBuilder took 930.79 ms. Allocated memory was 201.3 MB in the beginning and 226.0 MB in the end (delta: 24.6 MB). Free memory was 138.8 MB in the beginning and 181.4 MB in the end (delta: -42.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:05,257 INFO L168 Benchmark]: Sifa took 7098.47 ms. Allocated memory was 226.0 MB in the beginning and 347.6 MB in the end (delta: 121.6 MB). Free memory was 181.4 MB in the beginning and 236.6 MB in the end (delta: -55.2 MB). Peak memory consumption was 66.5 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:05,260 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 820.82 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 85.9 MB in the beginning and 143.2 MB in the end (delta: -57.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.93 ms. Allocated memory is still 201.3 MB. Free memory was 143.2 MB in the beginning and 138.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 930.79 ms. Allocated memory was 201.3 MB in the beginning and 226.0 MB in the end (delta: 24.6 MB). Free memory was 138.8 MB in the beginning and 181.4 MB in the end (delta: -42.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 7.1 GB. * Sifa took 7098.47 ms. Allocated memory was 226.0 MB in the beginning and 347.6 MB in the end (delta: 121.6 MB). Free memory was 181.4 MB in the beginning and 236.6 MB in the end (delta: -55.2 MB). Peak memory consumption was 66.5 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]: 7053, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 137, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 123, TOOLS_POST_TIME[ms]: 1405, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 55, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 502, TOOLS_QUANTIFIERELIM_APPLICATIONS: 137, TOOLS_QUANTIFIERELIM_TIME[ms]: 1915, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 459, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 145, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 24, DOMAIN_JOIN_TIME[ms]: 2791, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 2132, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 20, DOMAIN_ISBOTTOM_APPLICATIONS: 11, DOMAIN_ISBOTTOM_TIME[ms]: 19, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4720, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4720, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3769, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3769, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 244, DAG_COMPRESSION_RETAINED_NODES: 121 - UnprovableResult [Line: 4]: 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 205#(and (= 0 __VERIFIER_assert_~cond) (exists ((v_prenex_2 Int) (v_main_~temp~0.base_BEFORE_CALL_1 Int) (v_main_~temp~0.offset_BEFORE_CALL_1 Int) (v_prenex_1 Int)) (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| v_prenex_1) v_prenex_2) 2))) (and (= (select (select |#memory_int| v_main_~temp~0.base_BEFORE_CALL_1) v_main_~temp~0.offset_BEFORE_CALL_1) 2) (= |__VERIFIER_assert_#in~cond| 1)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...