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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:21:59,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:21:59,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:21:59,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:21:59,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:21:59,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:21:59,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:21:59,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:21:59,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:21:59,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:21:59,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:21:59,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:21:59,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:21:59,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:21:59,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:21:59,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:21:59,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:21:59,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:21:59,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:21:59,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:21:59,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:21:59,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:21:59,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:21:59,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:21:59,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:21:59,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:21:59,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:21:59,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:21:59,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:21:59,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:21:59,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:21:59,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:21:59,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:21:59,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:21:59,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:21:59,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:21:59,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:21:59,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:21:59,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:21:59,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:21:59,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:21:59,390 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 17:21:59,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:21:59,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:21:59,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:21:59,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:21:59,408 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:21:59,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:21:59,409 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:21:59,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:21:59,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:21:59,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:21:59,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:21:59,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:21:59,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:21:59,410 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:21:59,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:21:59,411 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:21:59,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:21:59,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:21:59,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:21:59,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:21:59,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:21:59,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:21:59,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:21:59,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:21:59,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:21:59,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:21:59,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:21:59,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:21:59,414 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:21:59,444 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:21:59,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:21:59,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:21:59,461 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:21:59,462 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:21:59,463 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-09-20 17:21:59,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f707eada7/ffb9e77611884b3988db190372a56e23/FLAG88be7afaa [2019-09-20 17:22:00,108 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:22:00,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-09-20 17:22:00,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f707eada7/ffb9e77611884b3988db190372a56e23/FLAG88be7afaa [2019-09-20 17:22:00,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f707eada7/ffb9e77611884b3988db190372a56e23 [2019-09-20 17:22:00,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:22:00,390 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:22:00,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:22:00,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:22:00,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:22:00,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:22:00" (1/1) ... [2019-09-20 17:22:00,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e98d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:00, skipping insertion in model container [2019-09-20 17:22:00,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:22:00" (1/1) ... [2019-09-20 17:22:00,409 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:22:00,447 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:22:00,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:22:00,892 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:22:01,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:22:01,056 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:22:01,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:01 WrapperNode [2019-09-20 17:22:01,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:22:01,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:22:01,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:22:01,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:22:01,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:01" (1/1) ... [2019-09-20 17:22:01,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:01" (1/1) ... [2019-09-20 17:22:01,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:01" (1/1) ... [2019-09-20 17:22:01,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:01" (1/1) ... [2019-09-20 17:22:01,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:01" (1/1) ... [2019-09-20 17:22:01,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:01" (1/1) ... [2019-09-20 17:22:01,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:01" (1/1) ... [2019-09-20 17:22:01,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:22:01,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:22:01,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:22:01,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:22:01,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:01" (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 [2019-09-20 17:22:01,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:22:01,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:22:01,245 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:22:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:22:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-20 17:22:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-20 17:22:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:22:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:22:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:22:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:22:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:22:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 17:22:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:22:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:22:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:22:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:22:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:22:02,390 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:22:02,391 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 17:22:02,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:22:02 BoogieIcfgContainer [2019-09-20 17:22:02,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:22:02,393 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:22:02,393 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:22:02,394 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:22:02,395 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:22:02" (1/1) ... [2019-09-20 17:22:02,395 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 17:22:02,430 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:22:02,430 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:22:02,440 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:22:02,448 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:22:02,449 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:22:04,387 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 199 [2019-09-20 17:22:06,019 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 275 DAG size of output: 221 [2019-09-20 17:22:07,679 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 276 DAG size of output: 252 [2019-09-20 17:22:08,433 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2019-09-20 17:22:09,229 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2019-09-20 17:22:09,356 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:22:11,277 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 292 DAG size of output: 258 [2019-09-20 17:22:11,290 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 272 for LOIs