/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loops/n.c24.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:10:59,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:10:59,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:10:59,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:10:59,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:10:59,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:10:59,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:10:59,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:10:59,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:10:59,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:10:59,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:10:59,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:10:59,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:10:59,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:10:59,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:10:59,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:10:59,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:10:59,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:10:59,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:10:59,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:10:59,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:10:59,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:10:59,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:10:59,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:10:59,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:10:59,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:10:59,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:10:59,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:10:59,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:10:59,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:10:59,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:10:59,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:10:59,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:10:59,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:10:59,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:10:59,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:10:59,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:10:59,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:10:59,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:10:59,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:10:59,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:10:59,337 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 [2019-11-07 10:10:59,369 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:10:59,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:10:59,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:10:59,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:10:59,374 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:10:59,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:10:59,374 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:10:59,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:10:59,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:10:59,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:10:59,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:10:59,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:10:59,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:10:59,375 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:10:59,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:10:59,376 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:10:59,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:10:59,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:10:59,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:10:59,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:10:59,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:10:59,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:10:59,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:10:59,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:10:59,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:10:59,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:10:59,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:10:59,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:10:59,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:10:59,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:10:59,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:10:59,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:10:59,700 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:10:59,701 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:10:59,701 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/n.c24.i [2019-11-07 10:10:59,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c73d98c88/eb8dfbc650c44335866fd6e29a8cdf17/FLAGc617b44a6 [2019-11-07 10:11:00,293 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:11:00,293 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/n.c24.i [2019-11-07 10:11:00,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c73d98c88/eb8dfbc650c44335866fd6e29a8cdf17/FLAGc617b44a6 [2019-11-07 10:11:00,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c73d98c88/eb8dfbc650c44335866fd6e29a8cdf17 [2019-11-07 10:11:00,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:11:00,659 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:11:00,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:11:00,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:11:00,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:11:00,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:11:00" (1/1) ... [2019-11-07 10:11:00,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d0f80b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:00, skipping insertion in model container [2019-11-07 10:11:00,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:11:00" (1/1) ... [2019-11-07 10:11:00,676 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:11:00,702 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:11:00,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:11:01,063 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:11:01,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:11:01,145 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:11:01,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:01 WrapperNode [2019-11-07 10:11:01,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:11:01,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:11:01,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:11:01,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:11:01,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:01" (1/1) ... [2019-11-07 10:11:01,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:01" (1/1) ... [2019-11-07 10:11:01,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:01" (1/1) ... [2019-11-07 10:11:01,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:01" (1/1) ... [2019-11-07 10:11:01,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:01" (1/1) ... [2019-11-07 10:11:01,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:01" (1/1) ... [2019-11-07 10:11:01,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:01" (1/1) ... [2019-11-07 10:11:01,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:11:01,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:11:01,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:11:01,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:11:01,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:01" (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 [2019-11-07 10:11:01,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:11:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:11:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 10:11:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2019-11-07 10:11:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-11-07 10:11:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:11:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-11-07 10:11:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:11:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 10:11:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-07 10:11:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-11-07 10:11:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2019-11-07 10:11:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 10:11:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-11-07 10:11:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2019-11-07 10:11:01,266 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-11-07 10:11:01,266 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-11-07 10:11:01,266 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2019-11-07 10:11:01,266 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2019-11-07 10:11:01,266 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-11-07 10:11:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-11-07 10:11:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2019-11-07 10:11:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2019-11-07 10:11:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2019-11-07 10:11:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2019-11-07 10:11:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2019-11-07 10:11:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2019-11-07 10:11:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-11-07 10:11:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-11-07 10:11:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2019-11-07 10:11:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2019-11-07 10:11:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2019-11-07 10:11:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2019-11-07 10:11:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2019-11-07 10:11:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2019-11-07 10:11:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2019-11-07 10:11:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-11-07 10:11:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2019-11-07 10:11:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2019-11-07 10:11:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2019-11-07 10:11:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2019-11-07 10:11:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure __bzero [2019-11-07 10:11:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2019-11-07 10:11:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2019-11-07 10:11:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2019-11-07 10:11:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure index [2019-11-07 10:11:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2019-11-07 10:11:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2019-11-07 10:11:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2019-11-07 10:11:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2019-11-07 10:11:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2019-11-07 10:11:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2019-11-07 10:11:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2019-11-07 10:11:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2019-11-07 10:11:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2019-11-07 10:11:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2019-11-07 10:11:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:11:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2019-11-07 10:11:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-11-07 10:11:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:11:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:11:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:11:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:11:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-11-07 10:11:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:11:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:11:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:11:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 10:11:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-07 10:11:01,860 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:11:01,861 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 10:11:01,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:11:01 BoogieIcfgContainer [2019-11-07 10:11:01,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:11:01,863 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:11:01,863 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:11:01,863 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:11:01,865 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:11:01" (1/1) ... [2019-11-07 10:11:01,865 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:11:01,892 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:11:01,892 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:11:01,901 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:11:01,909 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:11:01,910 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:11:02,058 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-11-07 10:11:03,947 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:11:04,683 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:11:06,468 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-11-07 10:11:06,473 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:11:06,488 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:11:06,489 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:11:06,491 INFO L168 Benchmark]: Toolchain (without parser) took 5831.26 ms. Allocated memory was 141.6 MB in the beginning and 298.8 MB in the end (delta: 157.3 MB). Free memory was 106.3 MB in the beginning and 210.9 MB in the end (delta: -104.6 MB). Peak memory consumption was 52.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:06,494 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 124.8 MB in the beginning and 124.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 10:11:06,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.51 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 106.1 MB in the beginning and 179.0 MB in the end (delta: -73.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:06,495 INFO L168 Benchmark]: Boogie Preprocessor took 54.83 ms. Allocated memory is still 204.5 MB. Free memory was 179.0 MB in the beginning and 176.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:06,500 INFO L168 Benchmark]: RCFGBuilder took 660.85 ms. Allocated memory is still 204.5 MB. Free memory was 176.4 MB in the beginning and 134.2 MB in the end (delta: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:06,503 INFO L168 Benchmark]: Sifa took 4625.97 ms. Allocated memory was 204.5 MB in the beginning and 298.8 MB in the end (delta: 94.4 MB). Free memory was 134.2 MB in the beginning and 210.9 MB in the end (delta: -76.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:06,505 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 124.8 MB in the beginning and 124.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 485.51 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 106.1 MB in the beginning and 179.0 MB in the end (delta: -73.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.83 ms. Allocated memory is still 204.5 MB. Free memory was 179.0 MB in the beginning and 176.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 660.85 ms. Allocated memory is still 204.5 MB. Free memory was 176.4 MB in the beginning and 134.2 MB in the end (delta: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. * Sifa took 4625.97 ms. Allocated memory was 204.5 MB in the beginning and 298.8 MB in the end (delta: 94.4 MB). Free memory was 134.2 MB in the beginning and 210.9 MB in the end (delta: -76.7 MB). Peak memory consumption was 17.7 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]: 4583, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 71, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 572, TOOLS_POST_TIME[ms]: 1361, TOOLS_POST_CALL_APPLICATIONS: 123, TOOLS_POST_CALL_TIME[ms]: 259, TOOLS_POST_RETURN_APPLICATIONS: 121, TOOLS_POST_RETURN_TIME[ms]: 960, TOOLS_QUANTIFIERELIM_APPLICATIONS: 762, TOOLS_QUANTIFIERELIM_TIME[ms]: 2389, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 534, FLUID_QUERY_TIME[ms]: 22, FLUID_QUERIES: 884, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 71, DOMAIN_JOIN_TIME[ms]: 750, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 44, DOMAIN_WIDEN_APPLICATIONS: 47, DOMAIN_WIDEN_TIME[ms]: 738, DOMAIN_ISSUBSETEQ_APPLICATIONS: 76, DOMAIN_ISSUBSETEQ_TIME[ms]: 168, DOMAIN_ISBOTTOM_APPLICATIONS: 71, DOMAIN_ISBOTTOM_TIME[ms]: 134, LOOP_SUMMARIZER_APPLICATIONS: 29, LOOP_SUMMARIZER_CACHE_MISSES: 29, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4307, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4306, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 76, CALL_SUMMARIZER_APPLICATIONS: 121, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 250, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 249, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 556, DAG_COMPRESSION_RETAINED_NODES: 126 - 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 1529#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__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...