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_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:55:21,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:55:21,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:55:21,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:55:21,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:55:21,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:55:21,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:55:21,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:55:21,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:55:21,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:55:21,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:55:21,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:55:21,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:55:21,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:55:21,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:55:21,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:55:21,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:55:21,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:55:21,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:55:21,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:55:21,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:55:21,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:55:21,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:55:21,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:55:21,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 04:55:21,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 04:55:21,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 04:55:21,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 04:55:21,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 04:55:21,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 04:55:21,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:55:21,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:55:21,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:55:21,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:55:21,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:55:21,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:55:21,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:55:21,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:55:21,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:55:21,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:55:22,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:55:22,000 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 [2019-10-15 04:55:22,038 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:55:22,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:55:22,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:55:22,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:55:22,043 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:55:22,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:55:22,044 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:55:22,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:55:22,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:55:22,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:55:22,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:55:22,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:55:22,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:55:22,045 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:55:22,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:55:22,046 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:55:22,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:55:22,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:55:22,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:55:22,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:55:22,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:55:22,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:55:22,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:55:22,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:55:22,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:55:22,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:55:22,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:55:22,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:55:22,050 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 [2019-10-15 04:55:22,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:55:22,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:55:22,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:55:22,345 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:55:22,346 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:55:22,346 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2019-10-15 04:55:22,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf31439b1/e2e0fd8f578e4a4eb0addb822a3ea24f/FLAGbcdba5081 [2019-10-15 04:55:22,924 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:55:22,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2019-10-15 04:55:22,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf31439b1/e2e0fd8f578e4a4eb0addb822a3ea24f/FLAGbcdba5081 [2019-10-15 04:55:23,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf31439b1/e2e0fd8f578e4a4eb0addb822a3ea24f [2019-10-15 04:55:23,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:55:23,219 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:55:23,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:55:23,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:55:23,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:55:23,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:55:23" (1/1) ... [2019-10-15 04:55:23,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4621a2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:23, skipping insertion in model container [2019-10-15 04:55:23,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:55:23" (1/1) ... [2019-10-15 04:55:23,237 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:55:23,289 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:55:23,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:55:23,693 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:55:23,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:55:23,915 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:55:23,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:23 WrapperNode [2019-10-15 04:55:23,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:55:23,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:55:23,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:55:23,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:55:23,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:23" (1/1) ... [2019-10-15 04:55:23,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:23" (1/1) ... [2019-10-15 04:55:23,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:23" (1/1) ... [2019-10-15 04:55:23,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:23" (1/1) ... [2019-10-15 04:55:24,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:23" (1/1) ... [2019-10-15 04:55:24,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:23" (1/1) ... [2019-10-15 04:55:24,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:23" (1/1) ... [2019-10-15 04:55:24,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:55:24,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:55:24,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:55:24,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:55:24,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:23" (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 [2019-10-15 04:55:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:55:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:55:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 04:55:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:55:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 04:55:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:55:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:55:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 04:55:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:55:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:55:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:55:26,366 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:55:26,366 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:55:26,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:55:26 BoogieIcfgContainer [2019-10-15 04:55:26,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:55:26,368 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 04:55:26,368 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 04:55:26,369 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 04:55:26,370 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:55:26" (1/1) ... [2019-10-15 04:55:26,370 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 [2019-10-15 04:55:26,394 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 04:55:26,394 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 04:55:26,402 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 04:55:26,411 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 04:55:26,413 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 04:55:26,709 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 94 for LOIs [2019-10-15 04:55:27,292 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 54 [2019-10-15 04:55:29,072 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 58498 conjuctions. This might take some time... [2019-10-15 04:55:32,993 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 54 [2019-10-15 04:55:34,012 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 58498 conjuctions. This might take some time... [2019-10-15 04:55:37,633 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 54 [2019-10-15 04:55:38,554 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 58498 conjuctions. This might take some time... [2019-10-15 04:55:42,252 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 04:55:42,268 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-10-15 04:55:43,535 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-10-15 04:55:43,638 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-10-15 04:55:43,759 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-10-15 04:55:43,790 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 124 for LOIs [2019-10-15 04:55:44,516 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 85 [2019-10-15 04:55:45,092 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 85 [2019-10-15 04:55:48,989 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 54 [2019-10-15 04:55:57,458 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 274410 conjuctions. This might take some time...