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/Problem04_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:54:44,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:54:44,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:54:44,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:54:44,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:54:44,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:54:44,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:54:44,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:54:44,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:54:44,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:54:44,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:54:44,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:54:44,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:54:44,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:54:44,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:54:44,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:54:44,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:54:44,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:54:44,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:54:44,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:54:44,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:54:44,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:54:44,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:54:44,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:54:44,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 00:54:44,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 00:54:44,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 00:54:44,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 00:54:44,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 00:54:44,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 00:54:44,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 00:54:44,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 00:54:44,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 00:54:44,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 00:54:44,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 00:54:44,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 00:54:44,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 00:54:44,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 00:54:44,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:54:44,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:54:44,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:54:44,132 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 00:54:44,151 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:54:44,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:54:44,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:54:44,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:54:44,154 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:54:44,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:54:44,155 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:54:44,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:54:44,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:54:44,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:54:44,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:54:44,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:54:44,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:54:44,157 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:54:44,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:54:44,158 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:54:44,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:54:44,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:54:44,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:54:44,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:54:44,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:54:44,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:54:44,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:54:44,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:54:44,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:54:44,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:54:44,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:54:44,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:54:44,160 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 00:54:44,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:54:44,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:54:44,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:54:44,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:54:44,478 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:54:44,479 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label23.c [2019-10-14 00:54:44,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa6830ee/24d5e22a367145f2a3951a244e968a90/FLAG8c312ca46 [2019-10-14 00:54:45,305 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:54:45,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label23.c [2019-10-14 00:54:45,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa6830ee/24d5e22a367145f2a3951a244e968a90/FLAG8c312ca46 [2019-10-14 00:54:45,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa6830ee/24d5e22a367145f2a3951a244e968a90 [2019-10-14 00:54:45,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:54:45,878 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:54:45,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:54:45,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:54:45,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:54:45,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:54:45" (1/1) ... [2019-10-14 00:54:45,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343aa16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:45, skipping insertion in model container [2019-10-14 00:54:45,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:54:45" (1/1) ... [2019-10-14 00:54:45,895 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:54:46,050 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:54:47,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:54:47,490 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:54:48,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:54:48,301 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:54:48,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:48 WrapperNode [2019-10-14 00:54:48,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:54:48,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:54:48,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:54:48,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:54:48,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:48" (1/1) ... [2019-10-14 00:54:48,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:48" (1/1) ... [2019-10-14 00:54:48,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:48" (1/1) ... [2019-10-14 00:54:48,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:48" (1/1) ... [2019-10-14 00:54:48,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:48" (1/1) ... [2019-10-14 00:54:48,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:48" (1/1) ... [2019-10-14 00:54:48,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:48" (1/1) ... [2019-10-14 00:54:48,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:54:48,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:54:48,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:54:48,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:54:48,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:48" (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 00:54:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:54:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:54:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 00:54:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-14 00:54:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-14 00:54:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-10-14 00:54:48,647 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:54:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 00:54:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-14 00:54:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-14 00:54:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-10-14 00:54:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:54:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:54:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 00:54:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:54:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:54:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:54:53,976 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:54:53,979 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:54:53,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:54:53 BoogieIcfgContainer [2019-10-14 00:54:53,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:54:53,983 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 00:54:53,983 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 00:54:53,983 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 00:54:53,985 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:54:53" (1/1) ... [2019-10-14 00:54:53,986 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 00:54:54,027 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 00:54:54,027 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 00:54:54,048 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 00:54:54,059 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 00:54:54,061 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 00:54:54,270 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-10-14 00:54:54,458 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 103 for LOIs [2019-10-14 00:54:58,172 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-10-14 00:54:58,586 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18339 conjuctions. This might take some time... [2019-10-14 00:54:58,891 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-10-14 00:54:59,118 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18339 conjuctions. This might take some time... [2019-10-14 00:54:59,411 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-10-14 00:54:59,730 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18339 conjuctions. This might take some time... [2019-10-14 00:55:00,039 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-10-14 00:55:00,053 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-10-14 00:55:07,310 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 90 for LOIs [2019-10-14 00:55:09,829 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 76 for LOIs [2019-10-14 00:55:12,677 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 105 for LOIs [2019-10-14 00:55:15,114 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 109 for LOIs [2019-10-14 00:55:16,028 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-10-14 00:55:17,523 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18339 conjuctions. This might take some time... [2019-10-14 00:55:18,360 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50