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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 04:54:42,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 04:54:42,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 04:54:42,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 04:54:42,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 04:54:42,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 04:54:42,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 04:54:42,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 04:54:42,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 04:54:42,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 04:54:42,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 04:54:42,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 04:54:42,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 04:54:42,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 04:54:42,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 04:54:42,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 04:54:42,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 04:54:42,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 04:54:42,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 04:54:42,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 04:54:42,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 04:54:42,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 04:54:42,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 04:54:42,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 04:54:42,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 04:54:42,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 04:54:42,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 04:54:42,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 04:54:42,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 04:54:42,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 04:54:42,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 04:54:42,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 04:54:42,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 04:54:42,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 04:54:42,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 04:54:42,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 04:54:42,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 04:54:42,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 04:54:42,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 04:54:42,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 04:54:42,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 04:54:42,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 04:54:42,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 04:54:42,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 04:54:42,227 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 04:54:42,227 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 04:54:42,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 04:54:42,228 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 04:54:42,228 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 04:54:42,228 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 04:54:42,228 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 04:54:42,228 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 04:54:42,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 04:54:42,229 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 04:54:42,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 04:54:42,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 04:54:42,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 04:54:42,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 04:54:42,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 04:54:42,231 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 04:54:42,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 04:54:42,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 04:54:42,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 04:54:42,231 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 04:54:42,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 04:54:42,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 04:54:42,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 04:54:42,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 04:54:42,232 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 04:54:42,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 04:54:42,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 04:54:42,233 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 04:54:42,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 04:54:42,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 04:54:42,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 04:54:42,281 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 04:54:42,281 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 04:54:42,282 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label38.c [2019-10-03 04:54:42,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fe56c9e9/dac9931d4a444b0abc8067386171c030/FLAG659e0ccbe [2019-10-03 04:54:42,899 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 04:54:42,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label38.c [2019-10-03 04:54:42,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fe56c9e9/dac9931d4a444b0abc8067386171c030/FLAG659e0ccbe [2019-10-03 04:54:43,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fe56c9e9/dac9931d4a444b0abc8067386171c030 [2019-10-03 04:54:43,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 04:54:43,196 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 04:54:43,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 04:54:43,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 04:54:43,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 04:54:43,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 04:54:43" (1/1) ... [2019-10-03 04:54:43,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5a7a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:54:43, skipping insertion in model container [2019-10-03 04:54:43,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 04:54:43" (1/1) ... [2019-10-03 04:54:43,219 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 04:54:43,288 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 04:54:44,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 04:54:44,012 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 04:54:44,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 04:54:44,132 INFO L192 MainTranslator]: Completed translation [2019-10-03 04:54:44,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:54:44 WrapperNode [2019-10-03 04:54:44,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 04:54:44,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 04:54:44,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 04:54:44,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 04:54:44,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:54:44" (1/1) ... [2019-10-03 04:54:44,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:54:44" (1/1) ... [2019-10-03 04:54:44,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:54:44" (1/1) ... [2019-10-03 04:54:44,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:54:44" (1/1) ... [2019-10-03 04:54:44,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:54:44" (1/1) ... [2019-10-03 04:54:44,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:54:44" (1/1) ... [2019-10-03 04:54:44,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:54:44" (1/1) ... [2019-10-03 04:54:44,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 04:54:44,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 04:54:44,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 04:54:44,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 04:54:44,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:54:44" (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 [2019-10-03 04:54:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 04:54:44,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 04:54:44,392 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 04:54:44,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 04:54:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 04:54:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 04:54:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 04:54:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 04:54:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 04:54:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 04:54:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 04:54:45,793 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 04:54:45,794 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 04:54:45,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 04:54:45 BoogieIcfgContainer [2019-10-03 04:54:45,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 04:54:45,797 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 04:54:45,797 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 04:54:45,797 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 04:54:45,798 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 04:54:45" (1/1) ... [2019-10-03 04:54:45,847 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)