java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/eca-rers2012/Problem18_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:52:04,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:52:04,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:52:04,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:52:04,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:52:04,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:52:04,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:52:04,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:52:04,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:52:04,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:52:04,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:52:04,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:52:04,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:52:04,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:52:04,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:52:04,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:52:04,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:52:04,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:52:04,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:52:04,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:52:04,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:52:04,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:52:04,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:52:04,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:52:04,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:52:04,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:52:04,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:52:04,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:52:04,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:52:04,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:52:04,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:52:04,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:52:04,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:52:04,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:52:04,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:52:04,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:52:04,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:52:04,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:52:04,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:52:04,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:52:04,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:52:04,199 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 [2019-10-13 23:52:04,230 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:52:04,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:52:04,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:52:04,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:52:04,235 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:52:04,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:52:04,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:52:04,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:52:04,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:52:04,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:52:04,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:52:04,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:52:04,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:52:04,237 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:52:04,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:52:04,239 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:52:04,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:52:04,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:52:04,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:52:04,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:52:04,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:52:04,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:52:04,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:52:04,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:52:04,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:52:04,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:52:04,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:52:04,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:52:04,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-13 23:52:04,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:52:04,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:52:04,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:52:04,524 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:52:04,525 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:52:04,525 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label27.c [2019-10-13 23:52:04,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05825e84d/105bf6cf07764f9189e1e52540ed6c60/FLAG09252c7c8 [2019-10-13 23:52:05,296 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:52:05,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label27.c [2019-10-13 23:52:05,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05825e84d/105bf6cf07764f9189e1e52540ed6c60/FLAG09252c7c8 [2019-10-13 23:52:05,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05825e84d/105bf6cf07764f9189e1e52540ed6c60 [2019-10-13 23:52:05,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:52:05,436 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:52:05,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:52:05,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:52:05,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:52:05,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:52:05" (1/1) ... [2019-10-13 23:52:05,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613fa92e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:52:05, skipping insertion in model container [2019-10-13 23:52:05,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:52:05" (1/1) ... [2019-10-13 23:52:05,454 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:52:05,583 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:52:06,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:52:06,692 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:52:07,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:52:07,164 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:52:07,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:52:07 WrapperNode [2019-10-13 23:52:07,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:52:07,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:52:07,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:52:07,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:52:07,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:52:07" (1/1) ... [2019-10-13 23:52:07,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:52:07" (1/1) ... [2019-10-13 23:52:07,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:52:07" (1/1) ... [2019-10-13 23:52:07,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:52:07" (1/1) ... [2019-10-13 23:52:07,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:52:07" (1/1) ... [2019-10-13 23:52:07,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:52:07" (1/1) ... [2019-10-13 23:52:07,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:52:07" (1/1) ... [2019-10-13 23:52:07,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:52:07,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:52:07,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:52:07,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:52:07,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:52:07" (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 [2019-10-13 23:52:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:52:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:52:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 23:52:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-13 23:52:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-13 23:52:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:52:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 23:52:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-13 23:52:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-13 23:52:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:52:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:52:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 23:52:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:52:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:52:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:52:11,123 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:52:11,127 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 23:52:11,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:52:11 BoogieIcfgContainer [2019-10-13 23:52:11,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:52:11,132 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-13 23:52:11,132 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-13 23:52:11,132 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-13 23:52:11,135 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:52:11" (1/1) ... [2019-10-13 23:52:11,230 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)