/usr/bin/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/Problem02_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 05:04:56,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 05:04:56,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 05:04:56,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 05:04:56,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 05:04:56,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 05:04:56,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 05:04:56,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 05:04:56,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 05:04:56,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 05:04:56,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 05:04:56,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 05:04:56,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 05:04:56,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 05:04:56,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 05:04:56,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 05:04:56,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 05:04:56,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 05:04:56,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 05:04:56,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 05:04:56,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 05:04:56,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 05:04:56,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 05:04:56,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 05:04:56,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 05:04:56,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 05:04:56,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 05:04:56,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 05:04:56,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 05:04:56,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 05:04:56,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 05:04:56,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 05:04:56,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 05:04:56,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 05:04:56,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 05:04:56,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 05:04:56,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 05:04:56,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 05:04:56,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 05:04:56,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 05:04:56,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 05:04:56,296 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 [2019-11-07 05:04:56,318 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 05:04:56,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 05:04:56,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 05:04:56,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 05:04:56,322 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 05:04:56,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 05:04:56,323 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 05:04:56,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 05:04:56,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 05:04:56,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 05:04:56,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 05:04:56,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 05:04:56,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 05:04:56,326 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 05:04:56,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 05:04:56,326 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 05:04:56,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 05:04:56,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 05:04:56,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 05:04:56,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 05:04:56,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 05:04:56,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 05:04:56,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 05:04:56,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 05:04:56,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 05:04:56,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 05:04:56,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 05:04:56,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 05:04:56,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 05:04:56,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 05:04:56,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 05:04:56,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 05:04:56,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 05:04:56,614 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 05:04:56,615 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2019-11-07 05:04:56,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/901b8eced/103ea5f6dd1c43febc613ada828127f4/FLAG58b75c1e7 [2019-11-07 05:04:57,221 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 05:04:57,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2019-11-07 05:04:57,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/901b8eced/103ea5f6dd1c43febc613ada828127f4/FLAG58b75c1e7 [2019-11-07 05:04:57,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/901b8eced/103ea5f6dd1c43febc613ada828127f4 [2019-11-07 05:04:57,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 05:04:57,533 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 05:04:57,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 05:04:57,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 05:04:57,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 05:04:57,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:04:57" (1/1) ... [2019-11-07 05:04:57,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4427d3c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:57, skipping insertion in model container [2019-11-07 05:04:57,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:04:57" (1/1) ... [2019-11-07 05:04:57,549 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 05:04:57,602 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 05:04:58,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:04:58,128 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 05:04:58,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:04:58,297 INFO L192 MainTranslator]: Completed translation [2019-11-07 05:04:58,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:58 WrapperNode [2019-11-07 05:04:58,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 05:04:58,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 05:04:58,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 05:04:58,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 05:04:58,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:58" (1/1) ... [2019-11-07 05:04:58,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:58" (1/1) ... [2019-11-07 05:04:58,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:58" (1/1) ... [2019-11-07 05:04:58,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:58" (1/1) ... [2019-11-07 05:04:58,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:58" (1/1) ... [2019-11-07 05:04:58,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:58" (1/1) ... [2019-11-07 05:04:58,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:58" (1/1) ... [2019-11-07 05:04:58,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 05:04:58,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 05:04:58,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 05:04:58,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 05:04:58,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:58" (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 [2019-11-07 05:04:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 05:04:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 05:04:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 05:04:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 05:04:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 05:04:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 05:04:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 05:04:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 05:04:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 05:04:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 05:04:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 05:04:59,685 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 05:04:59,689 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 05:04:59,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:04:59 BoogieIcfgContainer [2019-11-07 05:04:59,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 05:04:59,692 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 05:04:59,693 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 05:04:59,693 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 05:04:59,696 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:04:59" (1/1) ... [2019-11-07 05:04:59,758 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)