/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_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 05:06:37,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 05:06:37,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 05:06:37,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 05:06:37,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 05:06:37,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 05:06:37,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 05:06:37,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 05:06:37,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 05:06:37,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 05:06:37,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 05:06:37,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 05:06:37,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 05:06:37,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 05:06:37,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 05:06:37,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 05:06:37,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 05:06:37,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 05:06:37,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 05:06:37,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 05:06:37,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 05:06:37,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 05:06:37,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 05:06:37,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 05:06:37,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 05:06:37,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 05:06:37,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 05:06:37,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 05:06:37,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 05:06:37,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 05:06:37,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 05:06:37,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 05:06:37,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 05:06:37,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 05:06:37,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 05:06:37,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 05:06:37,295 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 05:06:37,328 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 05:06:37,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 05:06:37,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 05:06:37,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 05:06:37,329 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 05:06:37,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 05:06:37,334 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 05:06:37,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 05:06:37,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 05:06:37,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 05:06:37,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 05:06:37,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 05:06:37,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 05:06:37,335 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 05:06:37,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 05:06:37,335 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 05:06:37,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 05:06:37,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 05:06:37,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 05:06:37,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 05:06:37,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 05:06:37,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 05:06:37,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 05:06:37,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 05:06:37,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 05:06:37,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 05:06:37,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 05:06:37,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 05:06:37,339 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 05:06:37,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 05:06:37,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 05:06:37,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 05:06:37,637 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 05:06:37,638 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 05:06:37,639 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2019-11-07 05:06:37,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cbc25251/935ba854cfac4097a288fdd781f68029/FLAG65f191394 [2019-11-07 05:06:38,285 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 05:06:38,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2019-11-07 05:06:38,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cbc25251/935ba854cfac4097a288fdd781f68029/FLAG65f191394 [2019-11-07 05:06:38,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cbc25251/935ba854cfac4097a288fdd781f68029 [2019-11-07 05:06:38,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 05:06:38,559 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 05:06:38,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 05:06:38,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 05:06:38,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 05:06:38,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:06:38" (1/1) ... [2019-11-07 05:06:38,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2426b6c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:06:38, skipping insertion in model container [2019-11-07 05:06:38,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:06:38" (1/1) ... [2019-11-07 05:06:38,584 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 05:06:38,642 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 05:06:39,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:06:39,068 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 05:06:39,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:06:39,307 INFO L192 MainTranslator]: Completed translation [2019-11-07 05:06:39,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:06:39 WrapperNode [2019-11-07 05:06:39,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 05:06:39,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 05:06:39,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 05:06:39,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 05:06:39,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:06:39" (1/1) ... [2019-11-07 05:06:39,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:06:39" (1/1) ... [2019-11-07 05:06:39,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:06:39" (1/1) ... [2019-11-07 05:06:39,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:06:39" (1/1) ... [2019-11-07 05:06:39,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:06:39" (1/1) ... [2019-11-07 05:06:39,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:06:39" (1/1) ... [2019-11-07 05:06:39,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:06:39" (1/1) ... [2019-11-07 05:06:39,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 05:06:39,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 05:06:39,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 05:06:39,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 05:06:39,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:06:39" (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 [2019-11-07 05:06:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 05:06:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 05:06:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 05:06:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 05:06:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 05:06:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 05:06:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 05:06:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 05:06:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 05:06:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 05:06:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 05:06:40,584 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 05:06:40,584 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 05:06:40,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:06:40 BoogieIcfgContainer [2019-11-07 05:06:40,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 05:06:40,586 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 05:06:40,587 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 05:06:40,587 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 05:06:40,588 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:06:40" (1/1) ... [2019-11-07 05:06:40,629 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)