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/Problem16_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 16:50:31,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 16:50:31,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 16:50:31,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 16:50:31,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 16:50:31,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 16:50:31,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 16:50:31,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 16:50:31,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 16:50:31,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 16:50:31,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 16:50:31,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 16:50:31,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 16:50:31,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 16:50:31,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 16:50:31,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 16:50:31,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 16:50:31,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 16:50:31,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 16:50:31,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 16:50:31,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 16:50:31,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 16:50:31,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 16:50:31,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 16:50:31,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 16:50:31,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 16:50:31,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 16:50:31,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 16:50:31,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 16:50:31,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 16:50:31,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 16:50:31,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 16:50:31,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 16:50:31,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 16:50:31,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 16:50:31,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 16:50:31,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 16:50:31,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 16:50:31,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 16:50:31,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 16:50:31,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 16:50:31,763 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 16:50:31,778 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 16:50:31,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 16:50:31,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 16:50:31,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 16:50:31,780 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 16:50:31,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 16:50:31,780 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 16:50:31,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 16:50:31,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 16:50:31,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 16:50:31,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 16:50:31,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 16:50:31,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 16:50:31,782 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 16:50:31,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 16:50:31,782 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 16:50:31,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 16:50:31,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 16:50:31,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 16:50:31,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 16:50:31,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 16:50:31,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 16:50:31,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 16:50:31,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 16:50:31,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 16:50:31,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 16:50:31,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 16:50:31,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 16:50:31,785 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 16:50:31,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 16:50:31,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 16:50:31,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 16:50:31,839 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 16:50:31,840 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 16:50:31,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label49.c [2019-10-03 16:50:31,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fafaea2e/9f02ed4b1dbd4b879ed65ee07502b5cc/FLAG70582bf1d [2019-10-03 16:50:32,527 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 16:50:32,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label49.c [2019-10-03 16:50:32,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fafaea2e/9f02ed4b1dbd4b879ed65ee07502b5cc/FLAG70582bf1d [2019-10-03 16:50:32,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fafaea2e/9f02ed4b1dbd4b879ed65ee07502b5cc [2019-10-03 16:50:32,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 16:50:32,710 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 16:50:32,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 16:50:32,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 16:50:32,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 16:50:32,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 04:50:32" (1/1) ... [2019-10-03 16:50:32,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd32bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:50:32, skipping insertion in model container [2019-10-03 16:50:32,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 04:50:32" (1/1) ... [2019-10-03 16:50:32,727 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 16:50:32,813 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 16:50:33,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 16:50:33,826 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 16:50:34,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 16:50:34,125 INFO L192 MainTranslator]: Completed translation [2019-10-03 16:50:34,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:50:34 WrapperNode [2019-10-03 16:50:34,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 16:50:34,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 16:50:34,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 16:50:34,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 16:50:34,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:50:34" (1/1) ... [2019-10-03 16:50:34,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:50:34" (1/1) ... [2019-10-03 16:50:34,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:50:34" (1/1) ... [2019-10-03 16:50:34,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:50:34" (1/1) ... [2019-10-03 16:50:34,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:50:34" (1/1) ... [2019-10-03 16:50:34,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:50:34" (1/1) ... [2019-10-03 16:50:34,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:50:34" (1/1) ... [2019-10-03 16:50:34,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 16:50:34,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 16:50:34,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 16:50:34,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 16:50:34,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:50:34" (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 16:50:34,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 16:50:34,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 16:50:34,365 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 16:50:34,366 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-03 16:50:34,366 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 16:50:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 16:50:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-03 16:50:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 16:50:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 16:50:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 16:50:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 16:50:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 16:50:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 16:50:42,710 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 16:50:42,711 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 16:50:42,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 04:50:42 BoogieIcfgContainer [2019-10-03 16:50:42,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 16:50:42,713 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 16:50:42,713 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 16:50:42,713 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 16:50:42,714 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 04:50:42" (1/1) ... [2019-10-03 16:50:42,715 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 16:50:42,738 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-03 16:50:42,738 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 16:50:42,749 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 16:50:42,757 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 16:50:42,759 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 16:50:42,939 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 57 for LOIs [2019-10-03 16:50:43,650 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 54 [2019-10-03 16:50:44,168 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 54 [2019-10-03 16:50:44,568 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 54 [2019-10-03 16:50:44,792 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-10-03 16:50:44,795 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7