/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:04:19,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:04:19,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:04:19,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:04:19,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:04:19,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:04:19,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:04:19,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:04:19,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:04:19,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:04:19,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:04:19,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:04:19,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:04:19,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:04:19,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:04:19,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:04:19,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:04:19,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:04:19,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:04:19,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:04:19,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:04:19,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:04:19,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:04:19,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:04:19,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 10:04:19,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:04:19,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:04:19,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:04:19,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:04:19,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:04:19,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:04:19,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:04:19,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:04:19,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:04:19,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:04:19,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:04:19,139 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 10:04:19,159 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:04:19,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:04:19,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:04:19,161 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:04:19,161 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:04:19,161 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:04:19,161 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:04:19,162 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:04:19,162 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:04:19,162 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:04:19,163 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:04:19,163 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:04:19,163 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:04:19,164 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:04:19,164 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:04:19,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:04:19,165 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:04:19,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:04:19,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:04:19,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:04:19,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:04:19,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:04:19,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:04:19,166 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:04:19,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:04:19,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:04:19,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:04:19,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:04:19,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:04:19,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:04:19,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:04:19,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:04:19,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:04:19,169 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:04:19,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:04:19,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:04:19,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:04:19,171 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:04:19,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:04:19,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:04:19,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:04:19,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:04:19,478 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:04:19,479 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label24.c [2019-11-24 10:04:19,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67e740e8f/e0502703a6604f57a2eb679895c8e0a1/FLAG209b39bd1 [2019-11-24 10:04:20,041 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:04:20,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label24.c [2019-11-24 10:04:20,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67e740e8f/e0502703a6604f57a2eb679895c8e0a1/FLAG209b39bd1 [2019-11-24 10:04:20,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67e740e8f/e0502703a6604f57a2eb679895c8e0a1 [2019-11-24 10:04:20,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:04:20,367 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:04:20,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:04:20,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:04:20,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:04:20,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:04:20" (1/1) ... [2019-11-24 10:04:20,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668f6f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:04:20, skipping insertion in model container [2019-11-24 10:04:20,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:04:20" (1/1) ... [2019-11-24 10:04:20,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:04:20,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:04:20,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:04:20,912 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:04:21,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:04:21,041 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:04:21,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:04:21 WrapperNode [2019-11-24 10:04:21,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:04:21,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:04:21,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:04:21,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:04:21,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:04:21" (1/1) ... [2019-11-24 10:04:21,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:04:21" (1/1) ... [2019-11-24 10:04:21,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:04:21,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:04:21,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:04:21,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:04:21,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:04:21" (1/1) ... [2019-11-24 10:04:21,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:04:21" (1/1) ... [2019-11-24 10:04:21,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:04:21" (1/1) ... [2019-11-24 10:04:21,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:04:21" (1/1) ... [2019-11-24 10:04:21,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:04:21" (1/1) ... [2019-11-24 10:04:21,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:04:21" (1/1) ... [2019-11-24 10:04:21,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:04:21" (1/1) ... [2019-11-24 10:04:21,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:04:21,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:04:21,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:04:21,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:04:21,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:04:21" (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 [2019-11-24 10:04:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:04:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:04:23,265 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:04:23,265 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:04:23,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:04:23 BoogieIcfgContainer [2019-11-24 10:04:23,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:04:23,267 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:04:23,267 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:04:23,268 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:04:23,269 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:04:23" (1/1) ... [2019-11-24 10:04:23,269 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 [2019-11-24 10:04:23,293 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:04:23,293 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:04:23,301 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:04:23,308 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:04:23,310 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:04:23,623 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-11-24 10:04:25,824 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 27 [2019-11-24 10:04:27,702 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 30202 conjuctions. This might take some time... [2019-11-24 10:04:34,916 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 27 [2019-11-24 10:04:35,763 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 30202 conjuctions. This might take some time... [2019-11-24 10:04:43,412 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 27 [2019-11-24 10:04:44,208 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 30202 conjuctions. This might take some time... [2019-11-24 10:04:53,160 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-24 10:04:53,444 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-24 10:05:00,297 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:05:03,089 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:05:07,278 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-11-24 10:05:07,294 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-11-24 10:05:08,516 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2019-11-24 10:05:11,396 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 68825 conjuctions. This might take some time... [2019-11-24 10:05:41,527 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2019-11-24 10:05:44,426 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 68825 conjuctions. This might take some time...