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/eca-rers2012/Problem14_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 15:37:24,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 15:37:24,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 15:37:24,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 15:37:24,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 15:37:24,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 15:37:24,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 15:37:24,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 15:37:24,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 15:37:24,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 15:37:24,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 15:37:24,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 15:37:24,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 15:37:24,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 15:37:24,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 15:37:24,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 15:37:24,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 15:37:24,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 15:37:24,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 15:37:24,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 15:37:24,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 15:37:24,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 15:37:24,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 15:37:24,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 15:37:24,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 15:37:24,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 15:37:24,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 15:37:24,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 15:37:24,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 15:37:24,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 15:37:24,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 15:37:24,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 15:37:24,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 15:37:24,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 15:37:24,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 15:37:24,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 15:37:24,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 15:37:24,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 15:37:24,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 15:37:24,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 15:37:24,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 15:37:24,601 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 [2019-10-03 15:37:24,629 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 15:37:24,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 15:37:24,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 15:37:24,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 15:37:24,631 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 15:37:24,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 15:37:24,632 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 15:37:24,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 15:37:24,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 15:37:24,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 15:37:24,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 15:37:24,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 15:37:24,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 15:37:24,635 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 15:37:24,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 15:37:24,635 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 15:37:24,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 15:37:24,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 15:37:24,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 15:37:24,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 15:37:24,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 15:37:24,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 15:37:24,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 15:37:24,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 15:37:24,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 15:37:24,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 15:37:24,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 15:37:24,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 15:37:24,638 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 [2019-10-03 15:37:24,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 15:37:24,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 15:37:24,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 15:37:24,712 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 15:37:24,712 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 15:37:24,713 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label27.c [2019-10-03 15:37:24,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd1ed1d21/3da4217d46d4455e97d3be2fecff7d6b/FLAGe10bad2c7 [2019-10-03 15:37:25,324 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 15:37:25,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label27.c [2019-10-03 15:37:25,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd1ed1d21/3da4217d46d4455e97d3be2fecff7d6b/FLAGe10bad2c7 [2019-10-03 15:37:25,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd1ed1d21/3da4217d46d4455e97d3be2fecff7d6b [2019-10-03 15:37:25,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 15:37:25,612 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 15:37:25,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 15:37:25,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 15:37:25,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 15:37:25,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 03:37:25" (1/1) ... [2019-10-03 15:37:25,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb0b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:25, skipping insertion in model container [2019-10-03 15:37:25,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 03:37:25" (1/1) ... [2019-10-03 15:37:25,634 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 15:37:25,702 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 15:37:26,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 15:37:26,281 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 15:37:26,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 15:37:26,435 INFO L192 MainTranslator]: Completed translation [2019-10-03 15:37:26,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:26 WrapperNode [2019-10-03 15:37:26,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 15:37:26,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 15:37:26,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 15:37:26,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 15:37:26,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:26" (1/1) ... [2019-10-03 15:37:26,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:26" (1/1) ... [2019-10-03 15:37:26,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:26" (1/1) ... [2019-10-03 15:37:26,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:26" (1/1) ... [2019-10-03 15:37:26,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:26" (1/1) ... [2019-10-03 15:37:26,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:26" (1/1) ... [2019-10-03 15:37:26,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:26" (1/1) ... [2019-10-03 15:37:26,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 15:37:26,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 15:37:26,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 15:37:26,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 15:37:26,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:26" (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 [2019-10-03 15:37:26,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 15:37:26,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 15:37:26,686 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 15:37:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 15:37:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 15:37:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 15:37:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 15:37:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 15:37:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 15:37:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 15:37:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 15:38:35,622 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 15:38:35,623 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 15:38:35,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:38:35 BoogieIcfgContainer [2019-10-03 15:38:35,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 15:38:35,625 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 15:38:35,626 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 15:38:35,626 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 15:38:35,627 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:38:35" (1/1) ... [2019-10-03 15:38:35,628 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 [2019-10-03 15:38:35,654 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-03 15:38:35,654 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 15:38:35,661 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 15:38:35,671 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 15:38:35,673 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 15:38:35,905 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 58 for LOIs [2019-10-03 15:38:35,936 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 23 [2019-10-03 15:38:36,072 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 23 [2019-10-03 15:38:36,190 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 23