java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:43:32,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:43:32,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:43:32,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:43:32,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:43:32,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:43:32,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:43:32,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:43:32,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:43:32,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:43:32,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:43:32,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:43:32,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:43:32,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:43:32,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:43:32,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:43:32,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:43:32,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:43:32,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:43:32,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:43:32,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:43:32,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:43:32,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:43:32,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:43:32,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:43:32,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:43:32,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:43:32,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:43:32,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:43:32,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:43:32,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:43:32,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:43:32,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:43:32,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:43:32,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:43:32,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:43:32,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:43:32,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:43:32,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:43:32,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:43:32,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:43:32,302 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 15:43:32,325 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:43:32,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:43:32,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:43:32,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:43:32,328 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:43:32,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:43:32,328 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:43:32,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:43:32,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:43:32,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:43:32,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:43:32,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:43:32,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:43:32,331 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:43:32,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:43:32,331 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:43:32,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:43:32,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:43:32,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:43:32,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:43:32,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:43:32,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:43:32,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:43:32,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:43:32,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:43:32,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:43:32,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:43:32,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:43:32,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> 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_QUICK [2019-09-20 15:43:32,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:43:32,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:43:32,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:43:32,402 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:43:32,402 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:43:32,403 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-09-20 15:43:32,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a88ce722/82491a9a8601407586d59b1e4dfa7a7e/FLAGb609fd027 [2019-09-20 15:43:32,982 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:43:32,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-09-20 15:43:33,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a88ce722/82491a9a8601407586d59b1e4dfa7a7e/FLAGb609fd027 [2019-09-20 15:43:33,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a88ce722/82491a9a8601407586d59b1e4dfa7a7e [2019-09-20 15:43:33,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:43:33,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:43:33,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:43:33,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:43:33,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:43:33,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:43:33" (1/1) ... [2019-09-20 15:43:33,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12883d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:33, skipping insertion in model container [2019-09-20 15:43:33,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:43:33" (1/1) ... [2019-09-20 15:43:33,341 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:43:33,396 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:43:33,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:43:33,845 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:43:33,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:43:33,995 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:43:33,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:33 WrapperNode [2019-09-20 15:43:33,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:43:33,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:43:33,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:43:33,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:43:34,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:33" (1/1) ... [2019-09-20 15:43:34,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:33" (1/1) ... [2019-09-20 15:43:34,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:33" (1/1) ... [2019-09-20 15:43:34,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:33" (1/1) ... [2019-09-20 15:43:34,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:33" (1/1) ... [2019-09-20 15:43:34,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:33" (1/1) ... [2019-09-20 15:43:34,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:33" (1/1) ... [2019-09-20 15:43:34,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:43:34,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:43:34,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:43:34,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:43:34,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:33" (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 15:43:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:43:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:43:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:43:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:43:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-20 15:43:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-20 15:43:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:43:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 15:43:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:43:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:43:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:43:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:43:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:43:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:43:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:43:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:43:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:43:35,317 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:43:35,317 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 15:43:35,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:43:35 BoogieIcfgContainer [2019-09-20 15:43:35,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:43:35,319 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:43:35,319 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:43:35,320 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:43:35,321 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:43:35" (1/1) ... [2019-09-20 15:43:35,321 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:43:35,345 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:43:35,345 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:43:35,355 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:43:35,369 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:43:35,370 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:43:36,172 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2019-09-20 15:43:37,990 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 275 DAG size of output: 221 [2019-09-20 15:43:38,213 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 290 for LOIs