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/Problem04_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 06:53:06,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 06:53:06,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 06:53:06,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 06:53:06,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 06:53:06,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 06:53:06,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 06:53:06,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 06:53:06,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 06:53:06,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 06:53:06,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 06:53:06,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 06:53:06,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 06:53:06,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 06:53:06,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 06:53:06,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 06:53:06,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 06:53:06,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 06:53:06,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 06:53:06,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 06:53:06,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 06:53:06,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 06:53:06,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 06:53:06,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 06:53:06,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 06:53:06,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 06:53:06,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 06:53:06,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 06:53:06,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 06:53:06,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 06:53:06,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 06:53:06,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 06:53:06,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 06:53:06,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 06:53:06,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 06:53:06,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 06:53:06,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 06:53:06,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 06:53:06,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 06:53:06,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 06:53:06,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 06:53:06,362 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 06:53:06,377 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 06:53:06,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 06:53:06,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 06:53:06,378 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 06:53:06,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 06:53:06,378 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 06:53:06,379 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 06:53:06,379 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 06:53:06,379 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 06:53:06,379 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 06:53:06,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 06:53:06,380 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 06:53:06,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 06:53:06,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 06:53:06,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 06:53:06,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 06:53:06,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 06:53:06,381 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 06:53:06,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 06:53:06,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 06:53:06,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 06:53:06,382 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 06:53:06,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 06:53:06,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 06:53:06,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 06:53:06,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 06:53:06,383 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 06:53:06,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 06:53:06,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 06:53:06,384 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 06:53:06,412 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 06:53:06,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 06:53:06,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 06:53:06,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 06:53:06,432 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 06:53:06,433 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label21.c [2019-10-03 06:53:06,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bda065369/e60615ff0f9741b092cebebc9debc7fa/FLAGad5bfd603 [2019-10-03 06:53:07,342 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 06:53:07,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label21.c [2019-10-03 06:53:07,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bda065369/e60615ff0f9741b092cebebc9debc7fa/FLAGad5bfd603 [2019-10-03 06:53:07,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bda065369/e60615ff0f9741b092cebebc9debc7fa [2019-10-03 06:53:07,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 06:53:07,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 06:53:07,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 06:53:07,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 06:53:07,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 06:53:07,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 06:53:07" (1/1) ... [2019-10-03 06:53:07,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703a7aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 06:53:07, skipping insertion in model container [2019-10-03 06:53:07,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 06:53:07" (1/1) ... [2019-10-03 06:53:07,869 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 06:53:08,038 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 06:53:09,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 06:53:09,502 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 06:53:10,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 06:53:10,207 INFO L192 MainTranslator]: Completed translation [2019-10-03 06:53:10,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 06:53:10 WrapperNode [2019-10-03 06:53:10,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 06:53:10,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 06:53:10,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 06:53:10,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 06:53:10,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 06:53:10" (1/1) ... [2019-10-03 06:53:10,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 06:53:10" (1/1) ... [2019-10-03 06:53:10,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 06:53:10" (1/1) ... [2019-10-03 06:53:10,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 06:53:10" (1/1) ... [2019-10-03 06:53:10,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 06:53:10" (1/1) ... [2019-10-03 06:53:10,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 06:53:10" (1/1) ... [2019-10-03 06:53:10,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 06:53:10" (1/1) ... [2019-10-03 06:53:10,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 06:53:10,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 06:53:10,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 06:53:10,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 06:53:10,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 06:53:10" (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 06:53:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 06:53:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 06:53:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 06:53:10,620 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-03 06:53:10,620 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-03 06:53:10,620 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-10-03 06:53:10,620 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 06:53:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 06:53:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-03 06:53:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-03 06:53:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-10-03 06:53:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 06:53:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 06:53:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 06:53:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 06:53:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 06:53:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 06:53:15,674 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 06:53:15,674 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 06:53:15,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 06:53:15 BoogieIcfgContainer [2019-10-03 06:53:15,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 06:53:15,681 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 06:53:15,681 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 06:53:15,681 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 06:53:15,682 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 06:53:15" (1/1) ... [2019-10-03 06:53:15,760 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)