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/Problem01_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:50:08,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:50:08,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:50:08,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:50:08,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:50:08,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:50:08,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:50:08,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:50:08,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:50:08,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:50:08,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:50:08,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:50:08,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:50:08,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:50:08,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:50:08,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:50:08,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:50:08,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:50:08,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:50:08,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:50:08,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:50:08,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:50:08,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:50:08,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:50:08,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 00:50:08,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 00:50:08,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 00:50:08,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 00:50:08,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 00:50:08,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 00:50:08,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 00:50:08,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 00:50:08,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 00:50:08,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 00:50:08,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 00:50:08,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 00:50:08,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 00:50:08,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 00:50:08,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:50:08,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:50:08,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:50:08,726 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 [2019-10-14 00:50:08,740 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:50:08,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:50:08,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:50:08,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:50:08,742 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:50:08,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:50:08,743 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:50:08,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:50:08,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:50:08,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:50:08,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:50:08,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:50:08,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:50:08,744 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:50:08,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:50:08,744 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:50:08,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:50:08,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:50:08,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:50:08,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:50:08,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:50:08,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:50:08,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:50:08,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:50:08,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:50:08,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:50:08,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:50:08,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:50:08,747 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 [2019-10-14 00:50:09,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:50:09,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:50:09,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:50:09,083 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:50:09,083 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:50:09,084 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label03.c [2019-10-14 00:50:09,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf8f6e458/9bb4593e91594c478711e683980f5124/FLAG1b4ff0411 [2019-10-14 00:50:09,715 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:50:09,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label03.c [2019-10-14 00:50:09,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf8f6e458/9bb4593e91594c478711e683980f5124/FLAG1b4ff0411 [2019-10-14 00:50:10,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf8f6e458/9bb4593e91594c478711e683980f5124 [2019-10-14 00:50:10,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:50:10,040 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:50:10,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:50:10,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:50:10,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:50:10,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:50:10" (1/1) ... [2019-10-14 00:50:10,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760969a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:10, skipping insertion in model container [2019-10-14 00:50:10,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:50:10" (1/1) ... [2019-10-14 00:50:10,057 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:50:10,108 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:50:10,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:50:10,574 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:50:10,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:50:10,737 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:50:10,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:10 WrapperNode [2019-10-14 00:50:10,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:50:10,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:50:10,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:50:10,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:50:10,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:10" (1/1) ... [2019-10-14 00:50:10,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:10" (1/1) ... [2019-10-14 00:50:10,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:10" (1/1) ... [2019-10-14 00:50:10,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:10" (1/1) ... [2019-10-14 00:50:10,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:10" (1/1) ... [2019-10-14 00:50:10,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:10" (1/1) ... [2019-10-14 00:50:10,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:10" (1/1) ... [2019-10-14 00:50:10,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:50:10,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:50:10,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:50:10,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:50:10,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:50:10" (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 [2019-10-14 00:50:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:50:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:50:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 00:50:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:50:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 00:50:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:50:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:50:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 00:50:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:50:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:50:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:50:12,809 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:50:12,809 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:50:12,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:50:12 BoogieIcfgContainer [2019-10-14 00:50:12,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:50:12,811 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 00:50:12,812 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 00:50:12,812 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 00:50:12,813 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:50:12" (1/1) ... [2019-10-14 00:50:12,814 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 [2019-10-14 00:50:12,844 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 00:50:12,845 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 00:50:12,861 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 00:50:12,871 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 00:50:12,873 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 00:50:13,217 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 94 for LOIs [2019-10-14 00:50:13,861 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-10-14 00:50:16,042 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 55051 conjuctions. This might take some time... [2019-10-14 00:50:19,528 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-10-14 00:50:20,518 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 55051 conjuctions. This might take some time... [2019-10-14 00:50:23,781 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-10-14 00:50:24,778 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 55051 conjuctions. This might take some time... [2019-10-14 00:50:29,344 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-10-14 00:50:29,450 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-10-14 00:50:29,536 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 124 for LOIs [2019-10-14 00:50:30,364 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 85 [2019-10-14 00:50:34,578 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-10-14 00:50:42,323 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 287736 conjuctions. This might take some time...