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/Problem16_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 10:22:28,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 10:22:28,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 10:22:28,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 10:22:28,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 10:22:28,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 10:22:28,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 10:22:28,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 10:22:28,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 10:22:28,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 10:22:28,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 10:22:28,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 10:22:28,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 10:22:28,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 10:22:28,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 10:22:28,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 10:22:28,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 10:22:28,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 10:22:28,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 10:22:28,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 10:22:28,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 10:22:28,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 10:22:28,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 10:22:28,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 10:22:28,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 10:22:28,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 10:22:28,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 10:22:28,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 10:22:28,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 10:22:28,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 10:22:28,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 10:22:28,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 10:22:28,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 10:22:28,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 10:22:28,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 10:22:28,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 10:22:28,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 10:22:28,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 10:22:28,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 10:22:28,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 10:22:28,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 10:22:28,243 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 10:22:28,269 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 10:22:28,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 10:22:28,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 10:22:28,270 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 10:22:28,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 10:22:28,271 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 10:22:28,271 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 10:22:28,272 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 10:22:28,272 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 10:22:28,272 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 10:22:28,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 10:22:28,274 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 10:22:28,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 10:22:28,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 10:22:28,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 10:22:28,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 10:22:28,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 10:22:28,275 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 10:22:28,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 10:22:28,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 10:22:28,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 10:22:28,276 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 10:22:28,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 10:22:28,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 10:22:28,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 10:22:28,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 10:22:28,277 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 10:22:28,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 10:22:28,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 10:22:28,278 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 10:22:28,329 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 10:22:28,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 10:22:28,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 10:22:28,354 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 10:22:28,355 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 10:22:28,356 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label55.c [2019-10-03 10:22:28,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24c129a3/8eaa834a8a0446359ffd832e2d1fe8eb/FLAGe93239761 [2019-10-03 10:22:29,096 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 10:22:29,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label55.c [2019-10-03 10:22:29,121 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24c129a3/8eaa834a8a0446359ffd832e2d1fe8eb/FLAGe93239761 [2019-10-03 10:22:29,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24c129a3/8eaa834a8a0446359ffd832e2d1fe8eb [2019-10-03 10:22:29,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 10:22:29,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 10:22:29,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 10:22:29,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 10:22:29,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 10:22:29,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 10:22:29" (1/1) ... [2019-10-03 10:22:29,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0cb0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 10:22:29, skipping insertion in model container [2019-10-03 10:22:29,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 10:22:29" (1/1) ... [2019-10-03 10:22:29,341 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 10:22:29,430 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 10:22:30,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 10:22:30,346 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 10:22:30,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 10:22:30,850 INFO L192 MainTranslator]: Completed translation [2019-10-03 10:22:30,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 10:22:30 WrapperNode [2019-10-03 10:22:30,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 10:22:30,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 10:22:30,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 10:22:30,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 10:22:30,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 10:22:30" (1/1) ... [2019-10-03 10:22:30,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 10:22:30" (1/1) ... [2019-10-03 10:22:30,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 10:22:30" (1/1) ... [2019-10-03 10:22:30,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 10:22:30" (1/1) ... [2019-10-03 10:22:30,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 10:22:30" (1/1) ... [2019-10-03 10:22:30,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 10:22:30" (1/1) ... [2019-10-03 10:22:31,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 10:22:30" (1/1) ... [2019-10-03 10:22:31,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 10:22:31,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 10:22:31,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 10:22:31,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 10:22:31,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 10:22:30" (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 10:22:31,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 10:22:31,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 10:22:31,108 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 10:22:31,108 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-03 10:22:31,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 10:22:31,109 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 10:22:31,109 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-03 10:22:31,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 10:22:31,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 10:22:31,110 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 10:22:31,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 10:22:31,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 10:22:31,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 10:22:33,568 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 10:22:33,569 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 10:22:33,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:22:33 BoogieIcfgContainer [2019-10-03 10:22:33,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 10:22:33,571 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 10:22:33,572 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 10:22:33,572 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 10:22:33,573 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:22:33" (1/1) ... [2019-10-03 10:22:33,637 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 10:22:38,100 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.