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/Problem12_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:50:36,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:50:36,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:50:36,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:50:36,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:50:36,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:50:36,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:50:36,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:50:36,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:50:36,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:50:36,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:50:36,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:50:36,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:50:36,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:50:36,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:50:36,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:50:36,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:50:36,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:50:36,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:50:36,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:50:36,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:50:36,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:50:36,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:50:36,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:50:36,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:50:36,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:50:36,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:50:36,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:50:36,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:50:36,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:50:36,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:50:36,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:50:36,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:50:36,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:50:36,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:50:36,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:50:36,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:50:36,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:50:36,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:50:36,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:50:36,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:50:36,263 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 [2019-10-15 03:50:36,298 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:50:36,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:50:36,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:50:36,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:50:36,302 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:50:36,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:50:36,302 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:50:36,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:50:36,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:50:36,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:50:36,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:50:36,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:50:36,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:50:36,305 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:50:36,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:50:36,306 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:50:36,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:50:36,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:50:36,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:50:36,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:50:36,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:50:36,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:50:36,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:50:36,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:50:36,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:50:36,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:50:36,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:50:36,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:50:36,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 03:50:36,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:50:36,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:50:36,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:50:36,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:50:36,611 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:50:36,612 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label30.c [2019-10-15 03:50:36,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac6cb263e/9b6858b9b139400aa9fe4c443def11a5/FLAG884c1ca07 [2019-10-15 03:50:37,445 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:50:37,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label30.c [2019-10-15 03:50:37,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac6cb263e/9b6858b9b139400aa9fe4c443def11a5/FLAG884c1ca07 [2019-10-15 03:50:37,539 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac6cb263e/9b6858b9b139400aa9fe4c443def11a5 [2019-10-15 03:50:37,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:50:37,554 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:50:37,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:50:37,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:50:37,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:50:37,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:50:37" (1/1) ... [2019-10-15 03:50:37,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9fb768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:37, skipping insertion in model container [2019-10-15 03:50:37,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:50:37" (1/1) ... [2019-10-15 03:50:37,572 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:50:37,718 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:50:39,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:50:39,084 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:50:39,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:50:39,738 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:50:39,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:39 WrapperNode [2019-10-15 03:50:39,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:50:39,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:50:39,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:50:39,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:50:39,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:39" (1/1) ... [2019-10-15 03:50:39,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:39" (1/1) ... [2019-10-15 03:50:39,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:39" (1/1) ... [2019-10-15 03:50:39,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:39" (1/1) ... [2019-10-15 03:50:39,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:39" (1/1) ... [2019-10-15 03:50:39,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:39" (1/1) ... [2019-10-15 03:50:39,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:39" (1/1) ... [2019-10-15 03:50:40,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:50:40,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:50:40,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:50:40,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:50:40,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:39" (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 [2019-10-15 03:50:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:50:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:50:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 03:50:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-15 03:50:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-15 03:50:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-10-15 03:50:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:50:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 03:50:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-15 03:50:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-15 03:50:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-10-15 03:50:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:50:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:50:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 03:50:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:50:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:50:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:50:46,089 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:50:46,090 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 03:50:46,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:50:46 BoogieIcfgContainer [2019-10-15 03:50:46,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:50:46,093 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 03:50:46,093 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 03:50:46,093 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 03:50:46,094 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:50:46" (1/1) ... [2019-10-15 03:50:46,277 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)