/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/forester-heap/sll-token-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:51:05,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:51:05,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:51:05,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:51:05,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:51:05,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:51:05,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:51:05,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:51:05,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:51:05,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:51:05,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:51:05,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:51:05,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:51:05,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:51:05,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:51:05,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:51:05,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:51:05,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:51:05,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:51:05,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:51:05,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:51:05,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:51:05,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:51:05,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:51:05,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:51:05,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:51:05,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:51:05,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:51:05,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:51:05,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:51:05,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:51:05,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:51:05,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:51:05,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:51:05,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:51:05,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:51:05,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:51:05,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:51:05,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:51:05,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:51:05,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:51:05,199 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 07:51:05,223 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:51:05,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:51:05,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:51:05,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:51:05,228 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:51:05,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:51:05,229 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:51:05,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:51:05,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:51:05,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:51:05,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:51:05,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:51:05,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:51:05,230 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:51:05,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:51:05,231 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:51:05,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:51:05,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:51:05,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:51:05,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:51:05,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:51:05,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:51:05,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:51:05,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:51:05,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:51:05,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:51:05,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:51:05,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:51:05,233 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 07:51:05,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:51:05,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:51:05,522 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:51:05,523 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:51:05,524 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:51:05,525 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-token-2.i [2019-11-07 07:51:05,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dc545d5d/f3c8917f8f614586aeccbeb4a703e413/FLAG216e88fc6 [2019-11-07 07:51:06,080 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:51:06,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i [2019-11-07 07:51:06,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dc545d5d/f3c8917f8f614586aeccbeb4a703e413/FLAG216e88fc6 [2019-11-07 07:51:06,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dc545d5d/f3c8917f8f614586aeccbeb4a703e413 [2019-11-07 07:51:06,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:51:06,439 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:51:06,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:51:06,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:51:06,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:51:06,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:51:06" (1/1) ... [2019-11-07 07:51:06,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ed9561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:06, skipping insertion in model container [2019-11-07 07:51:06,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:51:06" (1/1) ... [2019-11-07 07:51:06,454 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:51:06,499 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:51:06,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:51:06,959 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:51:07,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:51:07,057 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:51:07,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:07 WrapperNode [2019-11-07 07:51:07,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:51:07,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:51:07,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:51:07,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:51:07,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:07" (1/1) ... [2019-11-07 07:51:07,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:07" (1/1) ... [2019-11-07 07:51:07,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:07" (1/1) ... [2019-11-07 07:51:07,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:07" (1/1) ... [2019-11-07 07:51:07,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:07" (1/1) ... [2019-11-07 07:51:07,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:07" (1/1) ... [2019-11-07 07:51:07,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:07" (1/1) ... [2019-11-07 07:51:07,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:51:07,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:51:07,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:51:07,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:51:07,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:07" (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 07:51:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:51:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:51:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:51:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 07:51:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 07:51:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 07:51:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 07:51:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 07:51:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 07:51:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 07:51:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 07:51:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 07:51:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 07:51:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 07:51:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 07:51:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 07:51:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 07:51:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 07:51:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 07:51:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 07:51:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 07:51:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 07:51:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 07:51:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 07:51:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 07:51:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 07:51:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 07:51:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 07:51:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 07:51:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 07:51:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 07:51:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 07:51:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 07:51:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 07:51:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 07:51:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 07:51:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 07:51:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 07:51:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 07:51:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 07:51:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 07:51:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 07:51:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 07:51:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 07:51:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 07:51:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 07:51:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 07:51:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 07:51:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 07:51:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 07:51:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 07:51:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 07:51:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 07:51:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 07:51:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 07:51:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 07:51:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 07:51:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-07 07:51:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 07:51:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 07:51:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 07:51:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-07 07:51:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 07:51:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 07:51:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-07 07:51:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 07:51:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 07:51:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-07 07:51:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 07:51:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 07:51:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 07:51:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 07:51:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 07:51:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 07:51:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 07:51:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 07:51:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 07:51:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 07:51:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 07:51:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 07:51:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 07:51:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 07:51:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 07:51:07,195 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 07:51:07,195 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 07:51:07,195 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 07:51:07,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 07:51:07,195 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 07:51:07,195 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 07:51:07,195 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 07:51:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 07:51:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 07:51:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 07:51:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 07:51:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 07:51:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 07:51:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 07:51:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 07:51:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 07:51:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 07:51:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 07:51:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 07:51:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 07:51:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 07:51:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-07 07:51:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 07:51:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:51:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:51:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:51:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 07:51:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 07:51:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 07:51:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 07:51:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 07:51:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 07:51:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:51:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:51:07,833 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:51:07,834 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-07 07:51:07,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:51:07 BoogieIcfgContainer [2019-11-07 07:51:07,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:51:07,836 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:51:07,836 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:51:07,836 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:51:07,838 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:51:07" (1/1) ... [2019-11-07 07:51:07,839 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 07:51:07,870 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2019-11-07 07:51:07,870 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:51:07,878 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:51:07,886 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:51:07,888 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:51:08,034 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-11-07 07:51:09,423 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 07:51:09,438 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 07:51:09,438 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 07:51:09,440 INFO L168 Benchmark]: Toolchain (without parser) took 3001.52 ms. Allocated memory was 143.7 MB in the beginning and 235.4 MB in the end (delta: 91.8 MB). Free memory was 101.8 MB in the beginning and 115.0 MB in the end (delta: -13.2 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. [2019-11-07 07:51:09,441 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 143.7 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 07:51:09,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.37 ms. Allocated memory was 143.7 MB in the beginning and 204.5 MB in the end (delta: 60.8 MB). Free memory was 101.4 MB in the beginning and 171.6 MB in the end (delta: -70.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-11-07 07:51:09,443 INFO L168 Benchmark]: Boogie Preprocessor took 64.71 ms. Allocated memory is still 204.5 MB. Free memory was 171.6 MB in the beginning and 168.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-11-07 07:51:09,443 INFO L168 Benchmark]: RCFGBuilder took 712.03 ms. Allocated memory is still 204.5 MB. Free memory was 168.6 MB in the beginning and 121.8 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. [2019-11-07 07:51:09,444 INFO L168 Benchmark]: Sifa took 1602.48 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 121.8 MB in the beginning and 115.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2019-11-07 07:51:09,447 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 143.7 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 618.37 ms. Allocated memory was 143.7 MB in the beginning and 204.5 MB in the end (delta: 60.8 MB). Free memory was 101.4 MB in the beginning and 171.6 MB in the end (delta: -70.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.71 ms. Allocated memory is still 204.5 MB. Free memory was 171.6 MB in the beginning and 168.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 712.03 ms. Allocated memory is still 204.5 MB. Free memory was 168.6 MB in the beginning and 121.8 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. * Sifa took 1602.48 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 121.8 MB in the beginning and 115.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 37.8 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]: 1554, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 36, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 133, TOOLS_POST_TIME[ms]: 1104, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 19, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 134, TOOLS_QUANTIFIERELIM_TIME[ms]: 1083, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 243, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 192, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 29, DOMAIN_JOIN_TIME[ms]: 145, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 3, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 33, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 36, DOMAIN_ISBOTTOM_APPLICATIONS: 36, DOMAIN_ISBOTTOM_TIME[ms]: 70, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 747, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 746, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 95, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 94, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 63, DAG_COMPRESSION_PROCESSED_NODES: 1406, DAG_COMPRESSION_RETAINED_NODES: 164 - UnprovableResult [Line: 1013]: 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 76#(and (= 0 main_~x~0.base) (= main_~x~0.offset 0)). Possible FailurePath: - PositiveResult [Line: 1005]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 1017]: 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 204#true. Possible FailurePath: - UnprovableResult [Line: 1020]: 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 222#(not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 1)). Possible FailurePath: - UnprovableResult [Line: 1022]: 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 247#(exists ((v_main_~x~0.base_33 Int) (v_main_~x~0.offset_33 Int)) (and (= (select (select |#memory_int| v_main_~x~0.base_33) (+ v_main_~x~0.offset_33 4)) 1) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2)) (= (select (select |#memory_$Pointer$.base| v_main_~x~0.base_33) v_main_~x~0.offset_33) main_~x~0.base) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| v_main_~x~0.base_33) v_main_~x~0.offset_33)))). Possible FailurePath: - PositiveResult [Line: 1032]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...