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/Problem03_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 21:57:16,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 21:57:16,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 21:57:16,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 21:57:16,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 21:57:16,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 21:57:16,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 21:57:16,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 21:57:16,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 21:57:16,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 21:57:16,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 21:57:16,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 21:57:16,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 21:57:16,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 21:57:16,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 21:57:16,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 21:57:16,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 21:57:16,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 21:57:16,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 21:57:16,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 21:57:16,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 21:57:16,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 21:57:16,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 21:57:16,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 21:57:16,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 21:57:16,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 21:57:16,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 21:57:16,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 21:57:16,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 21:57:16,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 21:57:16,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 21:57:16,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 21:57:16,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 21:57:16,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 21:57:16,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 21:57:16,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 21:57:16,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 21:57:16,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 21:57:16,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 21:57:16,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 21:57:16,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 21:57:16,339 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 [2019-09-10 21:57:16,353 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 21:57:16,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 21:57:16,354 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 21:57:16,354 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 21:57:16,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 21:57:16,355 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 21:57:16,355 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 21:57:16,356 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 21:57:16,356 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 21:57:16,356 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 21:57:16,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 21:57:16,357 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 21:57:16,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 21:57:16,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 21:57:16,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 21:57:16,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 21:57:16,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 21:57:16,358 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 21:57:16,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 21:57:16,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 21:57:16,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 21:57:16,359 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 21:57:16,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 21:57:16,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 21:57:16,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 21:57:16,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 21:57:16,360 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 21:57:16,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 21:57:16,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 21:57:16,360 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 21:57:16,390 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 21:57:16,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 21:57:16,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 21:57:16,407 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 21:57:16,408 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 21:57:16,409 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label42.c [2019-09-10 21:57:16,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be4d66a46/0b204800641d4a7ca6aa55a7dabfe1b6/FLAGe64f9203e [2019-09-10 21:57:17,109 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 21:57:17,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label42.c [2019-09-10 21:57:17,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be4d66a46/0b204800641d4a7ca6aa55a7dabfe1b6/FLAGe64f9203e [2019-09-10 21:57:17,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be4d66a46/0b204800641d4a7ca6aa55a7dabfe1b6 [2019-09-10 21:57:17,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 21:57:17,334 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 21:57:17,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 21:57:17,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 21:57:17,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 21:57:17,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 09:57:17" (1/1) ... [2019-09-10 21:57:17,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f255d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 09:57:17, skipping insertion in model container [2019-09-10 21:57:17,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 09:57:17" (1/1) ... [2019-09-10 21:57:17,350 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 21:57:17,445 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 21:57:18,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 21:57:18,315 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 21:57:18,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 21:57:18,553 INFO L192 MainTranslator]: Completed translation [2019-09-10 21:57:18,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 09:57:18 WrapperNode [2019-09-10 21:57:18,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 21:57:18,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 21:57:18,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 21:57:18,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 21:57:18,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 09:57:18" (1/1) ... [2019-09-10 21:57:18,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 09:57:18" (1/1) ... [2019-09-10 21:57:18,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 09:57:18" (1/1) ... [2019-09-10 21:57:18,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 09:57:18" (1/1) ... [2019-09-10 21:57:18,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 09:57:18" (1/1) ... [2019-09-10 21:57:18,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 09:57:18" (1/1) ... [2019-09-10 21:57:18,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 09:57:18" (1/1) ... [2019-09-10 21:57:18,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 21:57:18,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 21:57:18,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 21:57:18,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 21:57:18,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 09:57:18" (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 [2019-09-10 21:57:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 21:57:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 21:57:18,831 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-10 21:57:18,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 21:57:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-10 21:57:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 21:57:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 21:57:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-10 21:57:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 21:57:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 21:57:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 21:57:20,915 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 21:57:20,916 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 21:57:20,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 09:57:20 BoogieIcfgContainer [2019-09-10 21:57:20,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 21:57:20,918 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-10 21:57:20,918 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-10 21:57:20,919 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-10 21:57:20,920 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 09:57:20" (1/1) ... [2019-09-10 21:57:20,968 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)